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https://issues.apache.org/jira/browse/TEPHRA-253?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Neumann reassigned TEPHRA-253:
--------------------------------------
Assignee: Andreas Neumann (was: Poorna Chandra)
> TransactionProcessorTest is sometimes flaky
> -------------------------------------------
>
> Key: TEPHRA-253
> URL: https://issues.apache.org/jira/browse/TEPHRA-253
> Project: Tephra
> Issue Type: Bug
> Affects Versions: 0.12.0-incubating
> Reporter: Andreas Neumann
> Assignee: Andreas Neumann
>
> The test sometimes fails as follows:
> {noformat}
> Running org.apache.tephra.hbase.coprocessor.TransactionProcessorTest
> Tests run: 6, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 7.741 sec <<<
> FAILURE!
> testFamilyDeleteTimestamp(org.apache.tephra.hbase.coprocessor.TransactionProcessorTest)
> Time elapsed: 1.526 sec
> testTransactionStateCache(org.apache.tephra.hbase.coprocessor.TransactionProcessorTest)
> Time elapsed: 0.053 sec
> testDataJanitorRegionScanner(org.apache.tephra.hbase.coprocessor.TransactionProcessorTest)
> Time elapsed: 0.288 sec <<< FAILURE!
> org.junit.internal.ArrayComparisonFailure: arrays first differed at element
> [3]; expected:<4> but was:<1>
> at
> org.junit.internal.ComparisonCriteria.arrayEquals(ComparisonCriteria.java:50)
> at org.junit.Assert.internalArrayEquals(Assert.java:473)
> at org.junit.Assert.assertArrayEquals(Assert.java:294)
> at org.junit.Assert.assertArrayEquals(Assert.java:305)
> at
> org.apache.tephra.hbase.coprocessor.TransactionProcessorTest.assertKeyValueMatches(TransactionProcessorTest.java:593)
> at
> org.apache.tephra.hbase.coprocessor.TransactionProcessorTest.assertKeyValueMatches(TransactionProcessorTest.java:585)
> at
> org.apache.tephra.hbase.coprocessor.TransactionProcessorTest.testDataJanitorRegionScanner(TransactionProcessorTest.java:190)
> {noformat}
> It is not clear what is causing this, most likely the region server did not
> have an up-to-date transaction state snapshot at the time of the lfush (that
> might be due to TEPHRA-239 orTEPHRA-249, or it might be a condition where
> flush() has no effect because the region is already flushing,
> Let's observe this and gather more information when/if it happens again.
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