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https://issues.apache.org/jira/browse/FLINK-23647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17394670#comment-17394670
]
Arvid Heise commented on FLINK-23647:
-------------------------------------
Okay let us take the ticket, it takes too long to explain for a 5 min fix.
> UnalignedCheckpointStressITCase crashed on azure
> ------------------------------------------------
>
> Key: FLINK-23647
> URL: https://issues.apache.org/jira/browse/FLINK-23647
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Network, Tests
> Affects Versions: 1.14.0
> Reporter: Roman Khachatryan
> Priority: Major
> Labels: test-stability
>
> https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=21539&view=logs&j=5c8e7682-d68f-54d1-16a2-a09310218a49&t=86f654fa-ab48-5c1a-25f4-7e7f6afb9bba&l=4855
> When testing DFS changelog implementation in FLINK-23279 and enabling it for
> all tests,
> UnalignedCheckpointStressITCase crashed with the following exception
> {code}
> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed:
> 18.433 s <<< FAILURE! - in
> org.apache.flink.test.checkpointing.UnalignedCheckpointStressITCase
> [ERROR]
> runStressTest(org.apache.flink.test.checkpointing.UnalignedCheckpointStressITCase)
> Time elapsed: 17.663 s <<< ERROR!
> java.io.UncheckedIOException: java.nio.file.NoSuchFileException:
> /tmp/junit7860347244680665820/435237 d57439f2ceadfedba74dadd6fa/chk-16
> at
> java.nio.file.FileTreeIterator.fetchNextIfNeeded(FileTreeIterator.java:88)
> at java.nio.file.FileTreeIterator.hasNext(FileTreeIterator.java:104)
> at java.util.Iterator.forEachRemaining(Iterator.java:115)
> at
> java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
> at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)
> at
> java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)
> at
> java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708)
> at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
> at java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:546)
> at
> org.apache.flink.test.checkpointing.UnalignedCheckpointStressITCase.discoverRetainedCheckpoint(UnalignedCheckpointStressITCase.java:288)
> at
> org.apache.flink.test.checkpointing.UnalignedCheckpointStressITCase.runAndTakeExternalCheckpoint(UnalignedCheckpointStressITCase.java:261)
> at
> org.apache.flink.test.checkpointing.UnalignedCheckpointStressITCase.runStressTest(UnalignedCheckpointStressITCase.java:157)
> 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:59)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56)
> 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.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
> at
> org.apache.flink.util.TestNameProvider$1.evaluate(TestNameProvider.java:45)
> at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at
> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
> at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
> at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:54)
> at org.junit.rules.RunRules.evaluate(RunRules.java:20)
> at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java
> :384)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> Caused by: java.nio.file.NoSuchFileException:
> /tmp/junit7860347244680665820/435237d57439f2ceadfedba74 dadd6fa/chk-16
> at sun.nio.fs.UnixException.translateToIOException(UnixException.java:86)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at
> sun.nio.fs.UnixFileAttributeViews$Basic.readAttributes(UnixFileAttributeViews.java:55)
> at
> sun.nio.fs.UnixFileSystemProvider.readAttributes(UnixFileSystemProvider.java:144)
> at
> sun.nio.fs.LinuxFileSystemProvider.readAttributes(LinuxFileSystemProvider.java:99)
> at java.nio.file.Files.readAttributes(Files.java:1737)
> at java.nio.file.FileTreeWalker.getAttributes(FileTreeWalker.java:219)
> at java.nio.file.FileTreeWalker.visit(FileTreeWalker.java:276)
> at java.nio.file.FileTreeWalker.next(FileTreeWalker.java:372)
> at
> java.nio.file.FileTreeIterator.fetchNextIfNeeded(FileTreeIterator.java:84)
> {code}
>
> The referred checkpoint 16 was aborted and scheduled for deletion.
> But the test does not wait for it to complete and proceeds to file listing.
> I think this problem is also present in UnalignedCheckpointRescaleITCase
> (FLINK-22197) and probably in CoordinatedSourceRescaleITCase(FLINK-23577).
> Patch to demonstrate it:
> https://github.com/rkhachatryan/flink/tree/f23647-demo
> Corresponding
> [failure|https://dev.azure.com/khachatryanroman/flink/_build/results?buildId=1039&view=logs&j=0a15d512-44ac-5ba5-97ab-13a5d066c22c&t=9a028d19-6c4b-5a4e-d378-03fca149d0b1&l=4870]
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