HBASE-22877 WebHDFS based export snapshot will fail if hfile is in archive directory by VicoWu · Pull Request #509 · apache/hbase

VicoWu · 2019-08-19T02:41:08Z

The corresponding issue: HBASE-22877
The problem happened in the method tryOpen :

 /**
* Try to open the file from one of the available locations.
*
* @return FSDataInputStream stream of the opened file link
* @throws IOException on unexpected error, or file not found.
*/
private FSDataInputStream tryOpen() throws IOException {
IOException exception = null;
for (Path path: fileLink.getLocations()) {
if (path.equals(currentPath)) continue;
try {
if(fs instanceof WebHdfsFileSystem && !fs.exists(path))
throw new FileNotFoundException("File not exists for path " + path.toString());
in = fs.open(path, bufferSize);
if (pos != 0) in.seek(pos);
assert(in.getPos() == pos) : "Link unable to seek to the right position=" + pos;
if (LOG.isTraceEnabled()) {
if (currentPath == null) {
LOG.debug("link open path=" + path);
} else {
LOG.trace("link switch from path=" + currentPath + " to path=" + path);
}
}
currentPath = path;
return(in);
} catch (FileNotFoundException | AccessControlException | RemoteException e) {
exception = FileLink.handleAccessLocationException(fileLink, e, exception);
}
}
throw exception;
}

FileLink.tryOpen() depends on fs.open(path, bufferSize) to throw FileNotFoundException
to try the next file location; When we are using traditional HDFS, the fs is implements of DistributedFileSystem OR ViewFileSystem, but when we are use webhdfs, the fs is implement of WebHdfsFileSystem, in this case, no exception will be thrown even when
the file didn't exist when we are calling fs.open(path, bufferSize); so, ExportMapper will think that hfile exists in the tmp directory, the FileLink will use this directory as the hfile directory by fault; Then finally, when mapper task trying to read this hfile, it found that this file doesn't exist in fact and mapper will fail:

Error: java.io.FileNotFoundException: File does not exist: /hbase/light-hbase/.tmp/data/subill/babylon_event_history/e24ce0b56feb626b4dfe4a0e1d4f3229/info/8bef474844ec42338e7481a1933cecbd
at sun.reflect.GeneratedConstructorAccessor14.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.apache.hadoop.ipc.RemoteException.instantiateException(RemoteException.java:106)
at org.apache.hadoop.ipc.RemoteException.unwrapRemoteException(RemoteException.java:95)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toIOException(WebHdfsFileSystem.java:451)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$600(WebHdfsFileSystem.java:108)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.shouldRetry(WebHdfsFileSystem.java:738)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:704)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:524)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:554)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:550)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$ReadRunner.read(WebHdfsFileSystem.java:1824)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$WebHdfsInputStream.read(WebHdfsFileSystem.java:1682)
at java.io.DataInputStream.read(DataInputStream.java:149)
at org.apache.hadoop.hbase.io.FileLink$FileLinkInputStream.read(FileLink.java:152)
at java.io.DataInputStream.read(DataInputStream.java:149)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at java.io.FilterInputStream.read(FilterInputStream.java:107)
at org.apache.hadoop.hbase.io.hadoopbackport.ThrottledInputStream.read(ThrottledInputStream.java:79)
at org.apache.hadoop.hbase.snapshot.ExportSnapshot$ExportMapper.copyData(ExportSnapshot.java:387)
at org.apache.hadoop.hbase.snapshot.ExportSnapshot$ExportMapper.copyFile(ExportSnapshot.java:284)
at org.apache.hadoop.hbase.snapshot.ExportSnapshot$ExportMapper.map(ExportSnapshot.java:212)
at org.apache.hadoop.hbase.snapshot.ExportSnapshot$ExportMapper.map(ExportSnapshot.java:130)
at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:793)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1924)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: org.apache.hadoop.ipc.RemoteException(java.io.FileNotFoundException): File does not exist: /hbase/light-hbase/.tmp/data/subill/babylon_event_history/e24ce0b56feb626b4dfe4a0e1d4f3229/info/8bef474844ec42338e7481a1933cecbd
at org.apache.hadoop.hdfs.web.JsonUtil.toRemoteException(JsonUtil.java:124)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:420)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:108)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.connect(WebHdfsFileSystem.java:596)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$ReadRunner.connect(WebHdfsFileSystem.java:1875)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:674)
... 27 more

We should add an addition code to handle the WebHDFS case;

…chive directory FileLink.tryOpen() depends on fs.open(path, bufferSize) to throw FileNotFoundException to try the next file location; But when we use WebHDFS, no exception was thrown even when the file didn't exist; We should add an addition code to handle the WebHDFS case;

jojochuang · 2019-08-19T02:55:09Z

Does the patch try to fail early? Or does it try to support webhdfs based snapshot export?
it is entirely possible that webhdfs fails to encode certain file names properly.

VicoWu · 2019-08-19T05:50:49Z

@jojochuang
Thanks for you focus;
I have update the problem description and make it more detailed; Very appreciated if you could read it in detail;

Does the patch try to fail early?
What do you mean by fail early? Your question is , does HBase export snapshot fail early without this patch?
Or does it try to support webhdfs based snapshot export?
According to my test, WebHDFS based snapshot export is actually supported; The error happened when some data is in the archive directory; After the patch applied, the WebHDFS Based snapshot export works fine;
it is entirely possible that webhdfs fails to encode certain file names properly.
At least in this case I didn't find its relationship with file name encoding;

Apache-HBase · 2019-08-19T22:14:10Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
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		_ master Compile Tests _
+1	mvninstall	355	master passed
+1	compile	58	master passed
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+1	shadedjars	301	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	265	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	263	master passed
		_ Patch Compile Tests _
+1	mvninstall	349	the patch passed
+1	compile	79	the patch passed
+1	javac	79	the patch passed
-1	checkstyle	99	hbase-server: The patch generated 1 new + 12 unchanged - 0 fixed = 13 total (was 12)
+1	whitespace	0	The patch has no whitespace issues.
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+1	hadoopcheck	1696	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	100	the patch passed
+1	findbugs	569	the patch passed
		_ Other Tests _
-1	unit	15512	hbase-server in the patch failed.
+1	asflicense	39	The patch does not generate ASF License warnings.
		20652

Subsystem	Report/Notes
Docker	Client=19.03.0 Server=19.03.0 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/2/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 5d915ecfcae8 4.15.0-52-generic #56-Ubuntu SMP Tue Jun 4 22:49:08 UTC 2019 x86_64 GNU/Linux
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Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `46abaef`
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/2/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/2/testReport/
Max. process+thread count	4723 (vs. ulimit of 10000)
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Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/2/console
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Apache-HBase · 2019-08-19T23:45:40Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	33	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	364	master passed
+1	compile	62	master passed
+1	checkstyle	93	master passed
+1	shadedjars	277	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	40	master passed
0	spotbugs	282	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	280	master passed
		_ Patch Compile Tests _
+1	mvninstall	343	the patch passed
+1	compile	66	the patch passed
+1	javac	66	the patch passed
-1	checkstyle	95	hbase-server: The patch generated 1 new + 12 unchanged - 0 fixed = 13 total (was 12)
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+1	hadoopcheck	1085	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	36	the patch passed
+1	findbugs	324	the patch passed
		_ Other Tests _
-1	unit	9610	hbase-server in the patch failed.
+1	asflicense	28	The patch does not generate ASF License warnings.
		13493

Reason	Tests
Failed junit tests	hadoop.hbase.regionserver.TestHRegion
	hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/3/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 0126ab4d2185 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:55:24 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `8e488ce`
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checkstyle	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/3/artifact/out/diff-checkstyle-hbase-server.txt
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/3/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/3/testReport/
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Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/3/console
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Apache-HBase · 2019-08-20T03:31:11Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	116	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	360	master passed
+1	compile	59	master passed
+1	checkstyle	81	master passed
+1	shadedjars	288	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	36	master passed
0	spotbugs	246	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	245	master passed
		_ Patch Compile Tests _
+1	mvninstall	326	the patch passed
+1	compile	55	the patch passed
+1	javac	55	the patch passed
-1	checkstyle	75	hbase-server: The patch generated 1 new + 12 unchanged - 0 fixed = 13 total (was 12)
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	286	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	997	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	33	the patch passed
+1	findbugs	258	the patch passed
		_ Other Tests _
-1	unit	16166	hbase-server in the patch failed.
+1	asflicense	28	The patch does not generate ASF License warnings.
		19814

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.regionserver.TestHRegion
	hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/4/artifact/out/Dockerfile
GITHUB PR	#509
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Max. process+thread count	5110 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/4/console
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Apache-HBase · 2019-08-20T11:53:22Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	71	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	413	master passed
+1	compile	68	master passed
+1	checkstyle	95	master passed
+1	shadedjars	346	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	40	master passed
0	spotbugs	284	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	281	master passed
		_ Patch Compile Tests _
+1	mvninstall	333	the patch passed
+1	compile	59	the patch passed
+1	javac	59	the patch passed
-1	checkstyle	81	hbase-server: The patch generated 1 new + 12 unchanged - 0 fixed = 13 total (was 12)
+1	whitespace	0	The patch has no whitespace issues.
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+1	hadoopcheck	1215	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	39	the patch passed
+1	findbugs	326	the patch passed
		_ Other Tests _
-1	unit	20941	hbase-server in the patch failed.
+1	asflicense	88	The patch does not generate ASF License warnings.
		25224

Reason	Tests
Failed junit tests	hadoop.hbase.tool.TestBulkLoadHFiles
	hadoop.hbase.master.procedure.TestTruncateTableProcedure
	hadoop.hbase.replication.multiwal.TestReplicationSyncUpToolWithMultipleWAL
	hadoop.hbase.replication.TestReplicationKillSlaveRS
	hadoop.hbase.replication.TestReplicationSmallTests
	hadoop.hbase.master.procedure.TestProcedurePriority
	hadoop.hbase.regionserver.TestHRegion
	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.replication.TestReplicationKillSlaveRSWithSeparateOldWALs
	hadoop.hbase.master.procedure.TestSCPWithReplicasWithoutZKCoordinated
	hadoop.hbase.replication.TestReplicationSmallTestsSync
	hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush
	hadoop.hbase.client.TestSnapshotTemporaryDirectoryWithRegionReplicas
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory
	hadoop.hbase.tool.TestSecureBulkLoadHFiles
	hadoop.hbase.security.access.TestSnapshotScannerHDFSAclController

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/5/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux d5ac272a1ad6 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `a59f7d4`
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/5/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/5/testReport/
Max. process+thread count	4940 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/5/console
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shahrs87 · 2019-08-20T17:44:14Z

in this case, no exception will be thrown even when the file didn't exist when we are calling

@VicoWu Could you elaborate why you think it doesn't throw FileNotfound exception. In the stack trace you pasted, it did throw FileNotFound Exception but it is wrapped in RemoteException. You just need to unwrap RemoteException to see underlying exception. Maybe I am missing something. Please correct me if I am wrong.

Apache-HBase · 2019-08-20T23:38:57Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	98	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	361	master passed
+1	compile	66	master passed
+1	checkstyle	80	master passed
+1	shadedjars	317	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	35	master passed
0	spotbugs	277	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	273	master passed
		_ Patch Compile Tests _
+1	mvninstall	320	the patch passed
+1	compile	59	the patch passed
+1	javac	59	the patch passed
-1	checkstyle	76	hbase-server: The patch generated 1 new + 12 unchanged - 0 fixed = 13 total (was 12)
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+1	hadoopcheck	999	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	33	the patch passed
+1	findbugs	268	the patch passed
		_ Other Tests _
-1	unit	19512	hbase-server in the patch failed.
+1	asflicense	79	The patch does not generate ASF License warnings.
		23331

Reason	Tests
Failed junit tests	hadoop.hbase.util.TestFromClientSide3WoUnsafe
	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.client.TestAsyncTableAdminApi
	hadoop.hbase.replication.TestReplicationSmallTests
	hadoop.hbase.tool.TestBulkLoadHFiles
	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.replication.TestReplicationSmallTestsSync
	hadoop.hbase.client.TestSnapshotTemporaryDirectory
	hadoop.hbase.master.procedure.TestSCPWithReplicas
	hadoop.hbase.client.TestCloneSnapshotFromClientNormal
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory
	hadoop.hbase.tool.TestSecureBulkLoadHFiles
	hadoop.hbase.master.procedure.TestSCPWithReplicasWithoutZKCoordinated

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/6/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux afd35db0fd7b 4.4.0-137-generic #163-Ubuntu SMP Mon Sep 24 13:14:43 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `ab28f9d`
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checkstyle	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/6/artifact/out/diff-checkstyle-hbase-server.txt
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/6/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/6/testReport/
Max. process+thread count	5380 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/6/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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jojochuang · 2019-08-20T23:58:06Z

Interesting to know this webhdfs behavior.
I wonder if the behavior had changed recently, because on Hadoop 3, it does throw FileNotFoundException upon opening an non-existent file:


curl http://nn1:20101/webhdfs/v1/abc?op=OPEN
{"RemoteException":{"exception":"FileNotFoundException","javaClassName":"java.io.FileNotFoundException","message":"File /abc not found."}}

VicoWu · 2019-08-21T01:07:20Z

@jojochuang
Thanks for your experiments;
From my understanding, when you use curl with op=OPEN, this rest request definitely will send to the httpfs server and get a FileNotFound exception;This is just as expect;
But when it comes to the httpfs java client WebHdfsFileSystem, things is different; I have debug and dive into to implements of WebHdfsFileSystem and I found: when we call WebHdfsFileSystem.open(), in fact, it does nothing except for preparing an InputStream to the remote httpfs server, but it didn't establish any connection to the httpfs. That's why we cannot get an FileNotFound exception when calling WebHdfsFileSystem.open() on a non-exist files;
So I think it has nothing to do with hadoop version; But you could still check the code of hadoop 3.0;

Apache-HBase · 2019-08-21T05:03:31Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	38	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	316	master passed
+1	compile	50	master passed
+1	checkstyle	72	master passed
+1	shadedjars	268	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	253	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	252	master passed
		_ Patch Compile Tests _
+1	mvninstall	286	the patch passed
+1	compile	52	the patch passed
+1	javac	52	the patch passed
+1	checkstyle	70	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	259	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	905	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	33	the patch passed
+1	findbugs	265	the patch passed
		_ Other Tests _
+1	unit	8923	hbase-server in the patch passed.
+1	asflicense	25	The patch does not generate ASF License warnings.
		12210

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/7/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 91edf9cc5787 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `66ad42c`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/7/testReport/
Max. process+thread count	4897 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/7/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-21T14:29:08Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	72	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	414	master passed
+1	compile	70	master passed
+1	checkstyle	94	master passed
+1	shadedjars	407	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	43	master passed
0	spotbugs	298	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	295	master passed
		_ Patch Compile Tests _
+1	mvninstall	362	the patch passed
+1	compile	69	the patch passed
+1	javac	69	the patch passed
+1	checkstyle	87	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	348	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1341	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	39	the patch passed
+1	findbugs	312	the patch passed
		_ Other Tests _
-1	unit	18222	hbase-server in the patch failed.
+1	asflicense	56	The patch does not generate ASF License warnings.
		22809

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestSnapshotTemporaryDirectory
	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.client.TestFromClientSide3

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/8/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
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Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `7af5b30`
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/8/artifact/out/patch-unit-hbase-server.txt
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Max. process+thread count	4908 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/8/console
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shahrs87 · 2019-08-21T15:46:07Z

But when it comes to the httpfs java client WebHdfsFileSystem

I am confused whether you are talking about WebHdfsFileSystem or HttpFSFileSystem. These two are different. Refer to class org.apache.hadoop.fs.http.client.HttpFSFileSystem for latter. The further comment is assuming that you are talking about WebHdfsFileSystem since you mentioned that multiple times.

I have debug and dive into to implements of WebHdfsFileSystem and I found: when we call WebHdfsFileSystem.open(), in fact, it does nothing except for preparing an InputStream to the remote httpfs server, but it didn't establish any connection to the httpfs.

This is not correct. When you call WebHdfsFileSystem#open(), it does create an http connection to namenode and gets the list of datanodes where the blocks for that file resides. When you call read on the input stream, it directly goes to datanode.
Follow the code path below.
WebHdfsFileSystem#open --> WebHdfsInputStream(f, bufferSize) --> ReadRunner(path, buffersize) --> ReadRunner#getRedirectedUrl --> AbstractRunner#run() --> WebHdfsFileSystem#runWithRetry --> ReadRunner#connect --> AbstractRunner#connect(URL url) --> AbstractRunner#connect(final HttpOpParam.Op op, final URL url) which makes actual connection to namenode and if the file doesn't exist, WebHdfsFileSystem (client) will receive FileNotFoundException wrapped in RemoteException.
My checked out branch in hadoop is branch-2.8.
Hope this helps.

Apache-HBase · 2019-08-21T16:42:38Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	98	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	348	master passed
+1	compile	66	master passed
+1	checkstyle	82	master passed
+1	shadedjars	354	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	60	master passed
0	spotbugs	296	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	294	master passed
		_ Patch Compile Tests _
+1	mvninstall	601	the patch passed
+1	compile	89	the patch passed
+1	javac	89	the patch passed
+1	checkstyle	93	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	327	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1207	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	45	the patch passed
+1	findbugs	299	the patch passed
		_ Other Tests _
-1	unit	20280	hbase-server in the patch failed.
+1	asflicense	40	The patch does not generate ASF License warnings.
		24785

Reason	Tests
Failed junit tests	hadoop.hbase.util.TestFromClientSide3WoUnsafe
	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.security.access.TestSnapshotScannerHDFSAclController
	hadoop.hbase.client.TestAsyncTableAdminApi
	hadoop.hbase.tool.TestBulkLoadHFiles
	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.client.TestSnapshotTemporaryDirectory
	hadoop.hbase.client.TestCloneSnapshotFromClientNormal
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory
	hadoop.hbase.tool.TestSecureBulkLoadHFiles
	hadoop.hbase.master.procedure.TestSCPWithReplicasWithoutZKCoordinated

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/9/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 2cfebf1799f4 4.4.0-137-generic #163-Ubuntu SMP Mon Sep 24 13:14:43 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `1b50404`
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/9/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/9/testReport/
Max. process+thread count	5162 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/9/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-21T17:56:58Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	38	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	327	master passed
+1	compile	54	master passed
+1	checkstyle	74	master passed
+1	shadedjars	281	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	35	master passed
0	spotbugs	239	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	237	master passed
		_ Patch Compile Tests _
+1	mvninstall	299	the patch passed
+1	compile	51	the patch passed
+1	javac	51	the patch passed
+1	checkstyle	73	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	278	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	915	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	33	the patch passed
+1	findbugs	254	the patch passed
		_ Other Tests _
+1	unit	8620	hbase-server in the patch passed.
+1	asflicense	24	The patch does not generate ASF License warnings.
		11963

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/10/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux abfabbf92f20 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `b8857ec`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/10/testReport/
Max. process+thread count	4756 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/10/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-21T21:37:22Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	75	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	366	master passed
+1	compile	64	master passed
+1	checkstyle	90	master passed
+1	shadedjars	309	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	41	master passed
0	spotbugs	276	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	273	master passed
		_ Patch Compile Tests _
+1	mvninstall	336	the patch passed
+1	compile	63	the patch passed
+1	javac	63	the patch passed
+1	checkstyle	87	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	323	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1110	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	38	the patch passed
+1	findbugs	291	the patch passed
		_ Other Tests _
-1	unit	16913	hbase-server in the patch failed.
+1	asflicense	39	The patch does not generate ASF License warnings.
		20834

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.security.access.TestSnapshotScannerHDFSAclController
	hadoop.hbase.client.TestAsyncSnapshotAdminApi
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory

Subsystem	Report/Notes
Docker	Client=18.09.7 Server=18.09.7 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/11/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux d6e5ce7c9106 4.15.0-52-generic #56-Ubuntu SMP Tue Jun 4 22:49:08 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `b8857ec`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/11/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/11/testReport/
Max. process+thread count	4938 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/11/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-22T07:23:00Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	35	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	436	master passed
+1	compile	60	master passed
+1	checkstyle	90	master passed
+1	shadedjars	312	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	42	master passed
0	spotbugs	265	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	261	master passed
		_ Patch Compile Tests _
+1	mvninstall	339	the patch passed
+1	compile	61	the patch passed
+1	javac	61	the patch passed
+1	checkstyle	95	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	342	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1107	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	39	the patch passed
+1	findbugs	325	the patch passed
		_ Other Tests _
+1	unit	9359	hbase-server in the patch passed.
+1	asflicense	26	The patch does not generate ASF License warnings.
		13368

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/12/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 33d6cddae471 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:55:24 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `84ee378`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/12/testReport/
Max. process+thread count	4430 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/12/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-22T14:16:20Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	66	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	352	master passed
+1	compile	56	master passed
+1	checkstyle	80	master passed
+1	shadedjars	307	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	35	master passed
0	spotbugs	245	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	243	master passed
		_ Patch Compile Tests _
+1	mvninstall	300	the patch passed
+1	compile	56	the patch passed
+1	javac	56	the patch passed
+1	checkstyle	75	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	306	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1074	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	34	the patch passed
+1	findbugs	266	the patch passed
		_ Other Tests _
-1	unit	17667	hbase-server in the patch failed.
+1	asflicense	30	The patch does not generate ASF License warnings.
		21354

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.master.procedure.TestSCPWithReplicasWithoutZKCoordinated
	hadoop.hbase.client.TestCloneSnapshotFromClientNormal
	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.util.TestFromClientSide3WoUnsafe

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/13/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 115c45a64ca5 4.4.0-139-generic #165-Ubuntu SMP Wed Oct 24 10:58:50 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `b329bf0`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/13/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/13/testReport/
Max. process+thread count	5042 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/13/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-22T18:40:38Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	94	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	341	master passed
+1	compile	51	master passed
+1	checkstyle	74	master passed
+1	shadedjars	267	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	257	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	254	master passed
		_ Patch Compile Tests _
+1	mvninstall	318	the patch passed
+1	compile	59	the patch passed
+1	javac	59	the patch passed
+1	checkstyle	73	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	281	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	974	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	46	the patch passed
+1	findbugs	264	the patch passed
		_ Other Tests _
-1	unit	18334	hbase-server in the patch failed.
+1	asflicense	73	The patch does not generate ASF License warnings.
		22091

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestFromClientSide
	hadoop.hbase.client.TestIncrementsFromClientSide
	hadoop.hbase.client.TestCloneSnapshotFromClientNormal
	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.security.access.TestSnapshotScannerHDFSAclController
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory
	hadoop.hbase.client.TestAsyncTableAdminApi

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/14/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 3785e7e1858d 4.4.0-137-generic #163-Ubuntu SMP Mon Sep 24 13:14:43 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `4268774`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/14/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/14/testReport/
Max. process+thread count	5413 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/14/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-22T23:27:04Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	63	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	337	master passed
+1	compile	56	master passed
+1	checkstyle	77	master passed
+1	shadedjars	273	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	45	master passed
0	spotbugs	273	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	271	master passed
		_ Patch Compile Tests _
+1	mvninstall	310	the patch passed
+1	compile	52	the patch passed
+1	javac	52	the patch passed
+1	checkstyle	72	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	270	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	972	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	34	the patch passed
+1	findbugs	248	the patch passed
		_ Other Tests _
-1	unit	20321	hbase-server in the patch failed.
+1	asflicense	85	The patch does not generate ASF License warnings.
		23882

Reason	Tests
Failed junit tests	hadoop.hbase.tool.TestSecureBulkLoadHFiles
	hadoop.hbase.master.procedure.TestRestoreSnapshotProcedure
	hadoop.hbase.master.procedure.TestSCPWithReplicas
	hadoop.hbase.master.procedure.TestProcedurePriority
	hadoop.hbase.client.TestFromClientSide
	hadoop.hbase.tool.TestBulkLoadHFiles
	hadoop.hbase.client.TestAdmin2
	hadoop.hbase.namespace.TestNamespaceAuditor
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory
	hadoop.hbase.client.TestSnapshotTemporaryDirectory
	hadoop.hbase.master.procedure.TestTruncateTableProcedure
	hadoop.hbase.util.TestFromClientSide3WoUnsafe
	hadoop.hbase.client.TestFromClientSide3
	hadoop.hbase.client.TestAsyncTableAdminApi
	hadoop.hbase.client.TestCloneSnapshotFromClientNormal

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/15/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 26258c33d8dd 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `288d1f2`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/15/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/15/testReport/
Max. process+thread count	4958 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/15/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-22T23:51:29Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	38	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	323	master passed
+1	compile	53	master passed
+1	checkstyle	73	master passed
+1	shadedjars	268	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	33	master passed
0	spotbugs	242	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	239	master passed
		_ Patch Compile Tests _
+1	mvninstall	294	the patch passed
+1	compile	54	the patch passed
+1	javac	54	the patch passed
+1	checkstyle	70	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	266	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	984	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	34	the patch passed
+1	findbugs	270	the patch passed
		_ Other Tests _
+1	unit	8627	hbase-server in the patch passed.
+1	asflicense	21	The patch does not generate ASF License warnings.
		12024

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/16/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux ac7a3357d2d3 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `767bb15`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/16/testReport/
Max. process+thread count	4738 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/16/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-23T21:41:06Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	39	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	414	master passed
+1	compile	60	master passed
+1	checkstyle	96	master passed
+1	shadedjars	311	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	41	master passed
0	spotbugs	288	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	286	master passed
		_ Patch Compile Tests _
+1	mvninstall	333	the patch passed
+1	compile	65	the patch passed
+1	javac	65	the patch passed
+1	checkstyle	88	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	318	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1065	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	44	the patch passed
+1	findbugs	336	the patch passed
		_ Other Tests _
+1	unit	9889	hbase-server in the patch passed.
+1	asflicense	23	The patch does not generate ASF License warnings.
		13828

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/17/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 4211565af9ca 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:55:24 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `74fb204`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/17/testReport/
Max. process+thread count	4839 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/17/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-24T01:36:31Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	101	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	371	master passed
+1	compile	58	master passed
+1	checkstyle	83	master passed
+1	shadedjars	289	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	37	master passed
0	spotbugs	268	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	264	master passed
		_ Patch Compile Tests _
+1	mvninstall	330	the patch passed
+1	compile	54	the patch passed
+1	javac	54	the patch passed
+1	checkstyle	84	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	291	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1007	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	39	the patch passed
+1	findbugs	318	the patch passed
		_ Other Tests _
-1	unit	17536	hbase-server in the patch failed.
+1	asflicense	36	The patch does not generate ASF License warnings.
		21300

Reason	Tests
Failed junit tests	hadoop.hbase.master.procedure.TestSCPWithReplicasWithoutZKCoordinated
	hadoop.hbase.client.TestSnapshotTemporaryDirectoryWithRegionReplicas
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory
	hadoop.hbase.master.TestAssignmentManagerMetrics

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/18/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux b5d0bb956ab9 4.15.0-48-generic #51-Ubuntu SMP Wed Apr 3 08:28:49 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `2d45801`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/18/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/18/testReport/
Max. process+thread count	4549 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/18/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-24T02:24:53Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	55	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	434	master passed
+1	compile	72	master passed
+1	checkstyle	100	master passed
+1	shadedjars	380	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	48	master passed
0	spotbugs	324	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	320	master passed
		_ Patch Compile Tests _
+1	mvninstall	431	the patch passed
+1	compile	76	the patch passed
+1	javac	76	the patch passed
+1	checkstyle	104	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	370	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1291	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	46	the patch passed
+1	findbugs	332	the patch passed
		_ Other Tests _
+1	unit	16175	hbase-server in the patch passed.
+1	asflicense	32	The patch does not generate ASF License warnings.
		20737

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/19/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 46b9dfa4924c 4.4.0-154-generic #181-Ubuntu SMP Tue Jun 25 05:29:03 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `43f53c1`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/19/testReport/
Max. process+thread count	4496 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/19/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-24T03:35:39Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	40	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	331	master passed
+1	compile	53	master passed
+1	checkstyle	76	master passed
+1	shadedjars	278	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	34	master passed
0	spotbugs	242	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	240	master passed
		_ Patch Compile Tests _
+1	mvninstall	305	the patch passed
+1	compile	53	the patch passed
+1	javac	53	the patch passed
+1	checkstyle	70	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	263	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	915	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	33	the patch passed
+1	findbugs	248	the patch passed
		_ Other Tests _
-1	unit	8657	hbase-server in the patch failed.
+1	asflicense	24	The patch does not generate ASF License warnings.
		11980

Reason	Tests
Failed junit tests	hadoop.hbase.security.token.TestZKSecretWatcher

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/20/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 4ab83ca2d982 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `504fc52`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/20/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/20/testReport/
Max. process+thread count	4710 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/20/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-24T05:11:43Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	42	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	327	master passed
+1	compile	54	master passed
+1	checkstyle	76	master passed
+1	shadedjars	280	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	34	master passed
0	spotbugs	243	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	242	master passed
		_ Patch Compile Tests _
+1	mvninstall	298	the patch passed
+1	compile	54	the patch passed
+1	javac	54	the patch passed
+1	checkstyle	77	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	277	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	946	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	33	the patch passed
+1	findbugs	259	the patch passed
		_ Other Tests _
+1	unit	8436	hbase-server in the patch passed.
+1	asflicense	32	The patch does not generate ASF License warnings.
		11842

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/21/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 5e16e514e967 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 17:16:02 UTC 2018 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `ee9d986`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/21/testReport/
Max. process+thread count	4615 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/21/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-24T07:00:47Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	36	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	470	master passed
+1	compile	76	master passed
+1	checkstyle	112	master passed
+1	shadedjars	377	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	54	master passed
0	spotbugs	281	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	280	master passed
		_ Patch Compile Tests _
+1	mvninstall	353	the patch passed
+1	compile	58	the patch passed
+1	javac	58	the patch passed
+1	checkstyle	89	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	302	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1049	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	38	the patch passed
+1	findbugs	320	the patch passed
		_ Other Tests _
+1	unit	9495	hbase-server in the patch passed.
+1	asflicense	24	The patch does not generate ASF License warnings.
		13547

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/22/artifact/out/Dockerfile
GITHUB PR	#509
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-24T13:36:58Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	131	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	388	master passed
+1	compile	59	master passed
+1	checkstyle	88	master passed
+1	shadedjars	305	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	40	master passed
0	spotbugs	277	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	275	master passed
		_ Patch Compile Tests _
+1	mvninstall	357	the patch passed
+1	compile	61	the patch passed
+1	javac	61	the patch passed
+1	checkstyle	88	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	310	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1056	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	37	the patch passed
+1	findbugs	296	the patch passed
		_ Other Tests _
+1	unit	13752	hbase-server in the patch passed.
+1	asflicense	29	The patch does not generate ASF License warnings.
		17690

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/26/artifact/out/Dockerfile
GITHUB PR	#509
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Apache-HBase · 2019-08-24T21:24:37Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	109	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	432	master passed
+1	compile	71	master passed
+1	checkstyle	100	master passed
+1	shadedjars	362	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	47	master passed
0	spotbugs	333	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	331	master passed
		_ Patch Compile Tests _
+1	mvninstall	407	the patch passed
+1	compile	71	the patch passed
+1	javac	71	the patch passed
+1	checkstyle	103	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	365	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1098	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	40	the patch passed
+1	findbugs	292	the patch passed
		_ Other Tests _
-1	unit	15458	hbase-server in the patch failed.
+1	asflicense	36	The patch does not generate ASF License warnings.
		19765

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/27/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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VicoWu · 2019-08-25T03:21:33Z

@shahrs87
Great thanks for you code insight for my problem;

For the mistake I made between the difference between WebHDFSFileSystem and HttpFSFileSystem:

Yes, I previous make mistakes for the differences between WebHDFSFileSystem and HttpFSFileSystem because the schema for both them are webhdfs; I find that when I am using WebHDFSFileSystem, the target could be both the HttpFS server (default port is 14000) or the NameNode webserver(default port is 57000), both connections could work fine except that they didn't throw FileNotFoundException timely when I am calling fs.open();

Why the error happened in my side and I find that no connection is established in fs.open?

To be simple, in my code base hadoop2.6.0-cdh5.16.1, the client indeed didn't connect to the remote server. Your code base seems like hadoop3.x, and I find the commit which make the fs.open() try to connect to remote server and thus throws a FileNotFoundException timely is this commit
in which is adds the getRedirectedUrl() call in the ReadRunner construction method:

 ReadRunner(Path p, int bs) throws IOException {
super(GetOpParam.Op.OPEN, p, new BufferSizeParam(bs)); super(GetOpParam.Op.OPEN, p, new BufferSizeParam(bs));
this.path = p; this.path = p;
this.bufferSize = bs; this.bufferSize = bs;
getRedirectedUrl();
}

And this patch has been applied to only 3.x hadoop:

release-3.2.0-RC1 release-3.2.0-RC0 release-3.1.2-RC1 release-3.1.2-RC0 release-3.1.1-RC0 release-3.1.0-RC1 release-3.1.0-RC0 rel/submarine-0.2.0 rel/release-3.2.0 rel/release-3.1.2 rel/release-3.1.1 rel/release-3.1.0 ozone-0.4.0-alpha-RC2 ozone-0.4.0-alpha-RC1 ozone-0.4.0-alpha-RC0 ozone-0.3.0-alpha ozone-0.3.0-alpha-RC1 ozone-0.3.0-alpha-RC0 ozone-0.2.1-alpha-RC0

So that's why your experiment cannot reproduce this problem and that you think the fs.open() do make a connection to the remote server; But in hadoop 2.x, this problem do exists;

So that's my investigation for this problem; I think everything is much more clear now;
Do you think it is necessary to add this patch?

Apache-HBase · 2019-08-25T12:24:20Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	86	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	345	master passed
+1	compile	59	master passed
+1	checkstyle	87	master passed
+1	shadedjars	289	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	42	master passed
0	spotbugs	306	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	304	master passed
		_ Patch Compile Tests _
+1	mvninstall	312	the patch passed
+1	compile	60	the patch passed
+1	javac	60	the patch passed
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+1	hadoopcheck	981	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	37	the patch passed
+1	findbugs	323	the patch passed
		_ Other Tests _
-1	unit	17684	hbase-server in the patch failed.
+1	asflicense	42	The patch does not generate ASF License warnings.
		21411

Reason	Tests
Failed junit tests	hadoop.hbase.master.procedure.TestSCPWithReplicasWithoutZKCoordinated
	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.client.TestSnapshotDFSTemporaryDirectory

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/28/artifact/out/Dockerfile
GITHUB PR	#509
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Apache-HBase · 2019-08-25T22:55:31Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	110	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	344	master passed
+1	compile	60	master passed
+1	checkstyle	77	master passed
+1	shadedjars	265	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	258	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	257	master passed
		_ Patch Compile Tests _
+1	mvninstall	301	the patch passed
+1	compile	56	the patch passed
+1	javac	56	the patch passed
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+1	findbugs	289	the patch passed
		_ Other Tests _
+1	unit	9692	hbase-server in the patch passed.
+1	asflicense	29	The patch does not generate ASF License warnings.
		13247

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/29/artifact/out/Dockerfile
GITHUB PR	#509
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shahrs87 · 2019-08-26T21:26:21Z

But in hadoop 2.x, this problem do exists;

This bug does not exist in branch-2.6.0 also.
Here is the git repo for branch-2.6.0 https://github.com/apache/hadoop/tree/branch-2.6.0
Refer to WebHdfsFileSystem#open --> OffsetUrlInputStream(UnresolvedUrlOpener o, OffsetUrlOpener r) --> ByteRangeInputStream(URLOpener o, URLOpener r) --> ByteRangeInputStream#getInputStream() --> ByteRangeInputStream#openInputStream() --> UnresolvedUrlOpener#connect() --> AbstractRunner#run() --> AbstractRunner#runWithRetry() method which in turn calls NameNodeWebHdfsMethods on server side and it will throw FileNotFoundException wrapped in RemoteException.
One suggestion: Please enable trace logging on client side if possible. It will show you many debug and trace level logs about communication between client and server to understand WebHdfsFileSystem better.
@VicoWu Hope this helps.

Apache-HBase · 2019-08-27T01:44:28Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	32	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	415	master passed
+1	compile	65	master passed
+1	checkstyle	95	master passed
+1	shadedjars	305	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	302	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	299	master passed
		_ Patch Compile Tests _
+1	mvninstall	352	the patch passed
+1	compile	60	the patch passed
+1	javac	60	the patch passed
+1	checkstyle	87	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	314	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1037	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	36	the patch passed
+1	findbugs	294	the patch passed
		_ Other Tests _
+1	unit	10164	hbase-server in the patch passed.
+1	asflicense	38	The patch does not generate ASF License warnings.
		14036

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/30/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
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modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-27T18:41:26Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	89	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	444	master passed
+1	compile	67	master passed
+1	checkstyle	100	master passed
+1	shadedjars	315	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	41	master passed
0	spotbugs	297	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	294	master passed
		_ Patch Compile Tests _
+1	mvninstall	345	the patch passed
+1	compile	61	the patch passed
+1	javac	61	the patch passed
+1	checkstyle	88	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	303	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1117	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	42	the patch passed
+1	findbugs	316	the patch passed
		_ Other Tests _
-1	unit	14667	hbase-server in the patch failed.
+1	asflicense	34	The patch does not generate ASF License warnings.
		18750

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.client.TestSnapshotTemporaryDirectory

Subsystem	Report/Notes
Docker	Client=19.03.0 Server=19.03.0 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/31/artifact/out/Dockerfile
GITHUB PR	#509
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/31/artifact/out/patch-unit-hbase-server.txt
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Max. process+thread count	4608 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-28T05:19:53Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	34	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	361	master passed
+1	compile	59	master passed
+1	checkstyle	92	master passed
+1	shadedjars	351	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	43	master passed
0	spotbugs	341	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	338	master passed
		_ Patch Compile Tests _
+1	mvninstall	385	the patch passed
+1	compile	70	the patch passed
+1	javac	70	the patch passed
+1	checkstyle	100	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	351	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1200	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	41	the patch passed
+1	findbugs	342	the patch passed
		_ Other Tests _
-1	unit	10062	hbase-server in the patch failed.
+1	asflicense	26	The patch does not generate ASF License warnings.
		14298

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestAsyncTableGetMultiThreaded

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/32/artifact/out/Dockerfile
GITHUB PR	#509
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Max. process+thread count	4369 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-28T15:31:05Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	73	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	352	master passed
+1	compile	59	master passed
+1	checkstyle	89	master passed
+1	shadedjars	298	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	37	master passed
0	spotbugs	258	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	256	master passed
		_ Patch Compile Tests _
+1	mvninstall	329	the patch passed
+1	compile	56	the patch passed
+1	javac	56	the patch passed
+1	checkstyle	87	the patch passed
+1	whitespace	1	The patch has no whitespace issues.
+1	shadedjars	300	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1036	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	36	the patch passed
+1	findbugs	270	the patch passed
		_ Other Tests _
-1	unit	12288	hbase-server in the patch failed.
+1	asflicense	25	The patch does not generate ASF License warnings.
		15992

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/33/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/33/artifact/out/patch-unit-hbase-server.txt
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Max. process+thread count	5017 (vs. ulimit of 10000)
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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VicoWu · 2019-08-29T01:25:57Z

@shahrs87
Thanks for you comments;
My current branch is a CDH version hadoop2.6.0-CDH5.16.1;
I previously thought that the hadoop2.6.0-CDH5.16.1; is totallly based on the apache hadoop 2..6.0, but from this case it seems not;
This is my code of the HDFSFileSystem.open() for hadoop2.6.0-CDH5.16.1`:

 @Override
public FSDataInputStream open(final Path f, final int bufferSize
) throws IOException {
statistics.incrementReadOps(1);
return new FSDataInputStream(new WebHdfsInputStream(f, bufferSize));
}

And I find the first occurrence for the WebHdfsInputSteam.open() method occurs in Apache hadoop apache/hadoop@eda4dbb
It seems that they are already different from scratch;
Maybe I should communicate with Cloudera ;
Thanks again;

Apache-HBase · 2019-08-29T23:07:18Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	56	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	1	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	413	master passed
+1	compile	72	master passed
+1	checkstyle	103	master passed
+1	shadedjars	349	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	46	master passed
0	spotbugs	279	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	276	master passed
		_ Patch Compile Tests _
+1	mvninstall	305	the patch passed
+1	compile	58	the patch passed
+1	javac	58	the patch passed
+1	checkstyle	78	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	285	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1005	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	38	the patch passed
+1	findbugs	256	the patch passed
		_ Other Tests _
+1	unit	9539	hbase-server in the patch passed.
+1	asflicense	33	The patch does not generate ASF License warnings.
		13302

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/34/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 3558ac521f02 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
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modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-30T06:05:24Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	36	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	323	master passed
+1	compile	54	master passed
+1	checkstyle	77	master passed
+1	shadedjars	269	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	238	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	236	master passed
		_ Patch Compile Tests _
+1	mvninstall	294	the patch passed
+1	compile	53	the patch passed
+1	javac	53	the patch passed
+1	checkstyle	77	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	270	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	931	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	35	the patch passed
+1	findbugs	247	the patch passed
		_ Other Tests _
+1	unit	9350	hbase-server in the patch passed.
+1	asflicense	28	The patch does not generate ASF License warnings.
		12688

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/35/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 6c03171ad208 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
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git revision	master / `090c55f`
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modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-30T13:36:35Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	73	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	343	master passed
+1	compile	61	master passed
+1	checkstyle	81	master passed
+1	shadedjars	286	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	40	master passed
0	spotbugs	268	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	264	master passed
		_ Patch Compile Tests _
+1	mvninstall	314	the patch passed
+1	compile	61	the patch passed
+1	javac	61	the patch passed
+1	checkstyle	82	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	289	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	976	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	39	the patch passed
+1	findbugs	275	the patch passed
		_ Other Tests _
-1	unit	16008	hbase-server in the patch failed.
+1	asflicense	29	The patch does not generate ASF License warnings.
		19608

Reason	Tests
Failed junit tests	hadoop.hbase.master.TestSplitWALManager
	hadoop.hbase.client.TestAsyncRegionAdminApi

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/36/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
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Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
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unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/36/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/36/testReport/
Max. process+thread count	4842 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-31T17:12:28Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	39	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	331	master passed
+1	compile	59	master passed
+1	checkstyle	80	master passed
+1	shadedjars	282	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	39	master passed
0	spotbugs	243	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	241	master passed
		_ Patch Compile Tests _
+1	mvninstall	325	the patch passed
+1	compile	59	the patch passed
+1	javac	59	the patch passed
+1	checkstyle	77	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	298	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	971	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	34	the patch passed
+1	findbugs	263	the patch passed
		_ Other Tests _
+1	unit	9364	hbase-server in the patch passed.
+1	asflicense	35	The patch does not generate ASF License warnings.
		12895

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/37/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux e617a5f18a53 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `ee5cf0d`
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Max. process+thread count	4822 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/37/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-08-31T22:15:38Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	41	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	399	master passed
+1	compile	58	master passed
+1	checkstyle	81	master passed
+1	shadedjars	288	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	40	master passed
0	spotbugs	256	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	254	master passed
		_ Patch Compile Tests _
+1	mvninstall	382	the patch passed
+1	compile	65	the patch passed
+1	javac	65	the patch passed
+1	checkstyle	89	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	349	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1188	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	41	the patch passed
+1	findbugs	300	the patch passed
		_ Other Tests _
+1	unit	9800	hbase-server in the patch passed.
+1	asflicense	34	The patch does not generate ASF License warnings.
		13878

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/38/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux e2118191fd6a 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `b642ee0`
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Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/38/testReport/
Max. process+thread count	4412 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
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versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-09-01T16:31:20Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	36	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	330	master passed
+1	compile	56	master passed
+1	checkstyle	79	master passed
+1	shadedjars	277	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	38	master passed
0	spotbugs	234	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	232	master passed
		_ Patch Compile Tests _
+1	mvninstall	295	the patch passed
+1	compile	56	the patch passed
+1	javac	56	the patch passed
+1	checkstyle	75	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	273	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	970	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	36	the patch passed
+1	findbugs	261	the patch passed
		_ Other Tests _
+1	unit	10158	hbase-server in the patch passed.
+1	asflicense	31	The patch does not generate ASF License warnings.
		13584

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/39/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 26ea8def96e6 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
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Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/39/testReport/
Max. process+thread count	4489 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/39/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-09-02T00:23:28Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	94	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	371	master passed
+1	compile	64	master passed
+1	checkstyle	100	master passed
+1	shadedjars	307	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	39	master passed
0	spotbugs	285	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	282	master passed
		_ Patch Compile Tests _
+1	mvninstall	349	the patch passed
+1	compile	67	the patch passed
+1	javac	67	the patch passed
+1	checkstyle	90	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	306	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	1053	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	39	the patch passed
+1	findbugs	283	the patch passed
		_ Other Tests _
-1	unit	16467	hbase-server in the patch failed.
+1	asflicense	61	The patch does not generate ASF License warnings.
		20396

Reason	Tests
Failed junit tests	hadoop.hbase.client.TestSnapshotTemporaryDirectory
	hadoop.hbase.client.TestSnapshotTemporaryDirectoryWithRegionReplicas
	hadoop.hbase.client.TestFromClientSideWithCoprocessor
	hadoop.hbase.master.TestSplitWALManager

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/40/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux fa6143fc712a 4.15.0-54-generic #58-Ubuntu SMP Mon Jun 24 10:55:24 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `a5ef6b2`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/40/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/40/testReport/
Max. process+thread count	4937 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/40/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-09-02T06:15:07Z

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	115	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	327	master passed
+1	compile	55	master passed
+1	checkstyle	79	master passed
+1	shadedjars	273	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	37	master passed
0	spotbugs	208	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	205	master passed
		_ Patch Compile Tests _
+1	mvninstall	299	the patch passed
+1	compile	55	the patch passed
+1	javac	55	the patch passed
+1	checkstyle	76	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	273	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	937	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	35	the patch passed
+1	findbugs	245	the patch passed
		_ Other Tests _
+1	unit	9524	hbase-server in the patch passed.
+1	asflicense	36	The patch does not generate ASF License warnings.
		12941

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/41/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux ec56fb5dcf38 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `a5ef6b2`
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/41/testReport/
Max. process+thread count	4961 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/41/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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Apache-HBase · 2019-09-02T15:47:43Z

💔 -1 overall

Vote	Subsystem	Runtime	Comment
0	reexec	40	Docker mode activated.
		_ Prechecks _
+1	dupname	0	No case conflicting files found.
+1	hbaseanti	0	Patch does not have any anti-patterns.
+1	@author	0	The patch does not contain any @author tags.
-0	test4tests	0	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1	mvninstall	326	master passed
+1	compile	56	master passed
+1	checkstyle	75	master passed
+1	shadedjars	283	branch has no errors when building our shaded downstream artifacts.
+1	javadoc	39	master passed
0	spotbugs	262	Used deprecated FindBugs config; considering switching to SpotBugs.
+1	findbugs	260	master passed
		_ Patch Compile Tests _
+1	mvninstall	313	the patch passed
+1	compile	58	the patch passed
+1	javac	58	the patch passed
+1	checkstyle	82	the patch passed
+1	whitespace	0	The patch has no whitespace issues.
+1	shadedjars	294	patch has no errors when building our shaded downstream artifacts.
+1	hadoopcheck	970	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1	javadoc	42	the patch passed
+1	findbugs	306	the patch passed
		_ Other Tests _
-1	unit	10459	hbase-server in the patch failed.
+1	asflicense	32	The patch does not generate ASF License warnings.
		14071

Reason	Tests
Failed junit tests	hadoop.hbase.regionserver.TestHRegionWithInMemoryFlush

Subsystem	Report/Notes
Docker	Client=19.03.1 Server=19.03.1 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/42/artifact/out/Dockerfile
GITHUB PR	#509
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux d6b55f893f6d 4.15.0-58-generic #64-Ubuntu SMP Tue Aug 6 11:12:41 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-509/out/precommit/personality/provided.sh
git revision	master / `8e8bd8b`
Default Java	1.8.0_181
unit	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/42/artifact/out/patch-unit-hbase-server.txt
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/42/testReport/
Max. process+thread count	4629 (vs. ulimit of 10000)
modules	C: hbase-server U: hbase-server
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-509/42/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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saintstack · 2019-09-14T16:47:15Z

Ok. Really good back and forth here. Good info in the above dialog. Seems like a CDH5 issue. Closing. Shout if I have it wrong.

fix checksyle problme
f2dab48

saintstack closed this Sep 14, 2019

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