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