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HBASE-27857 Fix timeout exception handling in HBaseClassTestRule - #5231
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Apache9 merged 1 commit intoMay 13, 2023
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HBaseClassTestRule applies a timeout and a system exit rule to tests. The timeout rule throws an exception if it hits the timeout threshold. Since the timeout rule is applied after the system exit rule, the system exit rule does not see the exception and does not re-enable the system exit behavior which can cause maven to hang on some tests. This change applies the timeout rule before the system exit rule so that normal system exit can be restored before the surefire forked node is shutdown. Signed-off-by: Jonathan Albrecht <jonathan.albrecht@ibm.com>
Apache-HBase
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May 11, 2023
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Apache9
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May 11, 2023
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Mind explain a bit more? IIRC, the SystemExitRule is to forbid System.exit call, so what is actual problem here? |
jonathan-albrecht-ibm
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May 11, 2023
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Yes, the SystemExitRule is supposed to forbid the System.exit call while a test is running so that the various test servers running in the surefire forked jvm don't cause it to exit before a test has finished IIUC. The SystemExitRule will restore the normal System.exit behaviour when the test completes. The problem is, if a test times out, the test doesn't actually complete. The forked jvm really does need to exit but the SystemExitRule hasn't restored System.exit so it can't. Note that the timeout exception originates in the timeout rule part of HBaseClassTestRule. The timeout rule actually runs the test method in a separate thread in a Future with a timeout value. The change in this PR applies the systemExitRule first so when the timeout rule throws an exception it will go through the try...finally block in the systemExitRule which restores the normal System.exit and the forked jvm can exit normally when it needs to. Without this change, you can see that org.apache.hadoop.hbase.TestSecurityManager shows up in the stacktrace if a test times out: |
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May 12, 2023
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Apache9 pushed a commit
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May 13, 2023
) HBaseClassTestRule applies a timeout and a system exit rule to tests. The timeout rule throws an exception if it hits the timeout threshold. Since the timeout rule is applied after the system exit rule, the system exit rule does not see the exception and does not re-enable the system exit behavior which can cause maven to hang on some tests. This change applies the timeout rule before the system exit rule so that normal system exit can be restored before the surefire forked node is shutdown. Signed-off-by: Duo Zhang <zhangduo@apache.org> (cherry picked from commit 220eacf)
Apache9 pushed a commit
that referenced
this pull request
May 13, 2023
) HBaseClassTestRule applies a timeout and a system exit rule to tests. The timeout rule throws an exception if it hits the timeout threshold. Since the timeout rule is applied after the system exit rule, the system exit rule does not see the exception and does not re-enable the system exit behavior which can cause maven to hang on some tests. This change applies the timeout rule before the system exit rule so that normal system exit can be restored before the surefire forked node is shutdown. Signed-off-by: Duo Zhang <zhangduo@apache.org> (cherry picked from commit 220eacf)
Apache9 pushed a commit
that referenced
this pull request
May 13, 2023
) HBaseClassTestRule applies a timeout and a system exit rule to tests. The timeout rule throws an exception if it hits the timeout threshold. Since the timeout rule is applied after the system exit rule, the system exit rule does not see the exception and does not re-enable the system exit behavior which can cause maven to hang on some tests. This change applies the timeout rule before the system exit rule so that normal system exit can be restored before the surefire forked node is shutdown. Signed-off-by: Duo Zhang <zhangduo@apache.org> (cherry picked from commit 220eacf)
jonathan-albrecht-ibm
commented
May 15, 2023
ContributorAuthor
Thanks for reviewing and merging @Apache9! |
vinayakphegde pushed a commit
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that referenced
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Apr 4, 2024
…ache#5231) HBaseClassTestRule applies a timeout and a system exit rule to tests. The timeout rule throws an exception if it hits the timeout threshold. Since the timeout rule is applied after the system exit rule, the system exit rule does not see the exception and does not re-enable the system exit behavior which can cause maven to hang on some tests. This change applies the timeout rule before the system exit rule so that normal system exit can be restored before the surefire forked node is shutdown. Signed-off-by: Duo Zhang <zhangduo@apache.org> (cherry picked from commit 220eacf) (cherry picked from commit 4df157d) Change-Id: Id051ff2cf38fcdd3ef47f7e8d9ec99a8de88b6c8
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HBaseClassTestRule applies a timeout and a system exit rule to tests. The timeout rule throws an exception if it hits the timeout threshold. Since the timeout rule is applied after the system exit rule, the system exit rule does not see the exception and does not re-enable the system exit behavior which can cause maven to hang on some tests.
This change applies the timeout rule before the system exit rule so that normal system exit can be restored before the surefire forked node is shutdown.