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https://issues.apache.org/jira/browse/FLINK-10364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16670041#comment-16670041
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ASF GitHub Bot commented on FLINK-10364:
----------------------------------------
StefanRRichter opened a new pull request #6975: [FLINK-10364][tests] Fix
instability in NonHAQueryableStateFsBackendI…
URL: https://github.com/apache/flink/pull/6975
…TCase#testMapState
## What is the purpose of the change
This PR fixes a potential NPE in
`AbstractQueryableStateTestBase#testMapState` by extending the condition to
retry the query under test.
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> Test instability in NonHAQueryableStateFsBackendITCase#testMapState
> -------------------------------------------------------------------
>
> Key: FLINK-10364
> URL: https://issues.apache.org/jira/browse/FLINK-10364
> Project: Flink
> Issue Type: Bug
> Components: Queryable State, Tests
> Affects Versions: 1.5.4, 1.6.0
> Reporter: Nico Kruber
> Assignee: Stefan Richter
> Priority: Critical
> Labels: pull-request-available, test-stability
> Fix For: 1.5.6, 1.6.3, 1.7.0
>
>
> {code}
> Tests run: 12, Failures: 0, Errors: 1, Skipped: 1, Time elapsed: 14.365 sec
> <<< FAILURE! - in
> org.apache.flink.queryablestate.itcases.NonHAQueryableStateFsBackendITCase
> testMapState(org.apache.flink.queryablestate.itcases.NonHAQueryableStateFsBackendITCase)
> Time elapsed: 0.253 sec <<< ERROR!
> java.lang.NullPointerException: null
> at
> org.apache.flink.queryablestate.itcases.AbstractQueryableStateTestBase.testMapState(AbstractQueryableStateTestBase.java:840)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:283)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:173)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:128)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:203)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:155)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
> {code}
> from https://api.travis-ci.org/v3/job/429797943/log.txt
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