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From "Appy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-19803) False positive for the HBASE-Find-Flaky-Tests job
Date Thu, 25 Jan 2018 00:45:00 GMT

    [ https://issues.apache.org/jira/browse/HBASE-19803?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338498#comment-16338498
] 

Appy commented on HBASE-19803:
------------------------------

This is weird, trying to see a crash explicitly on my machine, i added {{System.exit(0)}}
to TestEntityLocks#setUp and ran {{mvn test -PrunAllTests -pl hbase-server}}, but the tests
just keep going on for several minutes (at which point i stop them myself).
{noformat}
-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.apache.hadoop.hbase.client.locking.TestEntityLocks
Running org.apache.hadoop.hbase.client.TestAllowPartialScanResultCache
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.293 s - in org.apache.hadoop.hbase.client.TestAllowPartialScanResultCache
Running org.apache.hadoop.hbase.client.TestBatchScanResultCache
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.285 s - in org.apache.hadoop.hbase.client.TestBatchScanResultCache
Running org.apache.hadoop.hbase.client.TestCompleteResultScanResultCache
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.183 s - in org.apache.hadoop.hbase.client.TestCompleteResultScanResultCache
Running org.apache.hadoop.hbase.client.TestConnectionUtils
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.547 s - in org.apache.hadoop.hbase.client.TestConnectionUtils
Running org.apache.hadoop.hbase.client.TestHBaseAdminNoCluster
Tests run: 2, Failures: 0, Errors: 0, Skipped: 1, Time elapsed: 8.153 s - in org.apache.hadoop.hbase.client.TestHBaseAdminNoCluster
Running org.apache.hadoop.hbase.client.TestIntraRowPagination
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.268 s - in org.apache.hadoop.hbase.client.TestIntraRowPagination
Running org.apache.hadoop.hbase.client.TestPutDeleteEtcCellIteration
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.273 s - in org.apache.hadoop.hbase.client.TestPutDeleteEtcCellIteration
Running org.apache.hadoop.hbase.client.TestResult
Tests run: 11, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 2.187 s - in org.apache.hadoop.hbase.client.TestResult
Running org.apache.hadoop.hbase.codec.TestCellMessageCodec
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.654 s - in org.apache.hadoop.hbase.codec.TestCellMessageCodec
Running org.apache.hadoop.hbase.conf.TestConfigurationManager
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.467 s - in org.apache.hadoop.hbase.conf.TestConfigurationManager
Running org.apache.hadoop.hbase.constraint.TestConstraints
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.963 s - in org.apache.hadoop.hbase.constraint.TestConstraints
Running org.apache.hadoop.hbase.coprocessor.TestCoprocessorConfiguration
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.401 s - in org.apache.hadoop.hbase.coprocessor.TestCoprocessorConfiguration
Running org.apache.hadoop.hbase.coprocessor.TestCoprocessorHost
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.573 s - in org.apache.hadoop.hbase.coprocessor.TestCoprocessorHost
Running org.apache.hadoop.hbase.coprocessor.TestCoprocessorInterface
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 5.89 s - in org.apache.hadoop.hbase.coprocessor.TestCoprocessorInterface
{noformat}

> False positive for the HBASE-Find-Flaky-Tests job
> -------------------------------------------------
>
>                 Key: HBASE-19803
>                 URL: https://issues.apache.org/jira/browse/HBASE-19803
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Duo Zhang
>            Priority: Major
>
> It reports two hangs for TestAsyncTableGetMultiThreaded, but I checked the surefire output
> https://builds.apache.org/job/HBASE-Flaky-Tests/24830/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.client.TestAsyncTableGetMultiThreaded-output.txt
> This one was likely to be killed in the middle of the run within 20 seconds.
> https://builds.apache.org/job/HBASE-Flaky-Tests/24852/artifact/hbase-server/target/surefire-reports/org.apache.hadoop.hbase.client.TestAsyncTableGetMultiThreaded-output.txt
> This one was also killed within about 1 minutes.
> The test is declared as LargeTests so the time limit should be 10 minutes. It seems that
the jvm may crash during the mvn test run and then we will kill all the running tests and
then we may mark some of them as hang which leads to the false positive.



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