HBASE-27038 CellComparator should extend Serializable

[bbeaudreault]

No description provided.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 5s	Docker mode activated.
-0 ⚠️	yetus	0m 4s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	3m 14s	master passed
+1 💚	compile	0m 17s	master passed
+1 💚	shadedjars	4m 10s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 18s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	3m 6s	the patch passed
+1 💚	compile	0m 17s	the patch passed
+1 💚	javac	0m 17s	the patch passed
+1 💚	shadedjars	4m 14s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 17s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 50s	hbase-common in the patch passed.
		19m 54s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/artifact/yetus-jdk11-hadoop3-check/output/Dockerfile
GITHUB PR	#4492
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux bb414c2e128b 5.4.0-90-generic #101-Ubuntu SMP Fri Oct 15 20:00:55 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / a060e71
Default Java	AdoptOpenJDK-11.0.10+9
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/testReport/
Max. process+thread count	185 (vs. ulimit of 30000)
modules	C: hbase-common U: hbase-common
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/console
versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	0m 39s	Docker mode activated.
-0 ⚠️	yetus	0m 3s	Unprocessed flag(s): --brief-report-file --spotbugs-strict-precheck --whitespace-eol-ignore-list --whitespace-tabs-ignore-list --quick-hadoopcheck
		_ Prechecks _
		_ master Compile Tests _
+1 💚	mvninstall	6m 1s	master passed
+1 💚	compile	0m 14s	master passed
+1 💚	shadedjars	4m 28s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 15s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	2m 32s	the patch passed
+1 💚	compile	0m 13s	the patch passed
+1 💚	javac	0m 13s	the patch passed
+1 💚	shadedjars	4m 26s	patch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 11s	the patch passed
		_ Other Tests _
+1 💚	unit	1m 23s	hbase-common in the patch passed.
		21m 28s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/artifact/yetus-jdk8-hadoop3-check/output/Dockerfile
GITHUB PR	#4492
Optional Tests	javac javadoc unit shadedjars compile
uname	Linux 101bfad9f172 5.4.0-1043-aws #45~18.04.1-Ubuntu SMP Fri Apr 9 23:32:25 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / a060e71
Default Java	AdoptOpenJDK-1.8.0_282-b08
Test Results	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/testReport/
Max. process+thread count	162 (vs. ulimit of 30000)
modules	C: hbase-common U: hbase-common
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/console
versions	git=2.17.1 maven=3.6.3
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[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 36s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
		_ master Compile Tests _
+1 💚	mvninstall	6m 57s	master passed
+1 💚	compile	0m 50s	master passed
+1 💚	checkstyle	0m 19s	master passed
+1 💚	spotless	1m 0s	branch has no errors when running spotless:check.
+1 💚	spotbugs	0m 57s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	4m 7s	the patch passed
+1 💚	compile	0m 40s	the patch passed
+1 💚	javac	0m 40s	the patch passed
+1 💚	checkstyle	0m 18s	the patch passed
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	hadoopcheck	16m 25s	Patch does not cause any errors with Hadoop 3.1.2 3.2.2 3.3.1.
+1 💚	spotless	0m 42s	patch has no errors when running spotless:check.
+1 💚	spotbugs	0m 35s	the patch passed
		_ Other Tests _
+1 💚	asflicense	0m 10s	The patch does not generate ASF License warnings.
		40m 58s

Subsystem	Report/Notes
Docker	ClientAPI=1.41 ServerAPI=1.41 base: https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/artifact/yetus-general-check/output/Dockerfile
GITHUB PR	#4492
Optional Tests	dupname asflicense javac spotbugs hadoopcheck hbaseanti spotless checkstyle compile
uname	Linux 2e60cab699e6 5.4.0-1025-aws #25~18.04.1-Ubuntu SMP Fri Sep 11 12:03:04 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/hbase-personality.sh
git revision	master / a060e71
Default Java	AdoptOpenJDK-1.8.0_282-b08
Max. process+thread count	77 (vs. ulimit of 30000)
modules	C: hbase-common U: hbase-common
Console output	https://ci-hbase.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-4492/1/console
versions	git=2.17.1 maven=3.6.3 spotbugs=4.2.2
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[apurtell]

I approved this. It seems weird to mark a class that has nothing to serialize as Serializable but as HBASE-27038 explains Spark requires it.