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https://issues.apache.org/jira/browse/FLINK-13601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16901833#comment-16901833
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Till Rohrmann commented on FLINK-13601:
---------------------------------------
I've assigned you to this ticket [~yunta]. Please move it into "in progress"
once you start working on it.
> RegionFailoverITCase is unstable
> --------------------------------
>
> Key: FLINK-13601
> URL: https://issues.apache.org/jira/browse/FLINK-13601
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Checkpointing, Runtime / Coordination
> Affects Versions: 1.9.0, 1.10.0
> Reporter: Aljoscha Krettek
> Assignee: Yun Tang
> Priority: Blocker
> Labels: test-stability
> Fix For: 1.9.0
>
>
> Excerpt from https://travis-ci.com/flink-ci/flink/jobs/222711830:
> {code}
> 10:44:31.222 [INFO] Running
> org.apache.flink.test.checkpointing.RegionFailoverITCase
> org.apache.flink.client.program.ProgramInvocationException: Job failed
> (JobID: 9e0fbeaa580123e05cfce5554f443d23)
> at
> org.apache.flink.client.program.MiniClusterClient.submitJob(MiniClusterClient.java:92)
> at
> org.apache.flink.test.checkpointing.RegionFailoverITCase.testMultiRegionFailover(RegionFailoverITCase.java:132)
> 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$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: org.apache.flink.runtime.client.JobExecutionException: Job
> execution failed.
> at
> org.apache.flink.runtime.jobmaster.JobResult.toJobExecutionResult(JobResult.java:146)
> at
> org.apache.flink.client.program.MiniClusterClient.submitJob(MiniClusterClient.java:90)
> ... 13 more
> Caused by: java.lang.RuntimeException: Test failed due to unexpected
> recovered index: 2000, while last completed checkpoint record index: 1837
> at
> org.apache.flink.test.checkpointing.RegionFailoverITCase$StringGeneratingSourceFunction.initializeState(RegionFailoverITCase.java:300)
> at
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.tryRestoreFunction(StreamingFunctionUtils.java:178)
> at
> org.apache.flink.streaming.util.functions.StreamingFunctionUtils.restoreFunctionState(StreamingFunctionUtils.java:160)
> at
> org.apache.flink.streaming.api.operators.AbstractUdfStreamOperator.initializeState(AbstractUdfStreamOperator.java:96)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.initializeState(AbstractStreamOperator.java:281)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.initializeState(StreamTask.java:862)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:367)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:688)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:518)
> ... 1 more
> 10:44:39.210 [ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time
> elapsed: 7.983 s <<< FAILURE! - in
> org.apache.flink.test.checkpointing.RegionFailoverITCase
> {code}
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