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https://issues.apache.org/jira/browse/FLINK-11835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16907096#comment-16907096
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Till Rohrmann commented on FLINK-11835:
---------------------------------------
The update from Florian is the following: He created a git branch to make the
problem reproducible:
https://github.com/florianschmidt1994/flink/tree/detect-zookeeper-it-case-bug.
In particular if one lets the thread sleep in {{JobManagerRunner::closeAsync}}
(line 192 ff), the problem occurred.
The problem occurs in the second iteration when running the test in a
loop/repeatedly. The problem seems to be that the {{Dispatcher}} requests the
{{JobStatus}} of a job which no longer exists (for whatever reason). The
{{JobStatus}} future will be completed exceptionally at {{Dispatcher.java:817}}
because the {{JobManagerFuture}} for the given {{JobID}} is no longer in the
{{JobManagerFutures}} collection.
> ZooKeeperLeaderElectionITCase#testJobExecutionOnClusterWithLeaderChange failed
> ------------------------------------------------------------------------------
>
> Key: FLINK-11835
> URL: https://issues.apache.org/jira/browse/FLINK-11835
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.8.0
> Reporter: Gary Yao
> Assignee: Chesnay Schepler
> Priority: Critical
> Labels: test-stability
> Fix For: 1.10.0
>
> Attachments: scratch_22.txt
>
>
> {noformat}
> 20:44:07.264 [ERROR]
> testJobExecutionOnClusterWithLeaderChange(org.apache.flink.test.runtime.leaderelection.ZooKeeperLeaderElectionITCase)
> Time elapsed: 4.625 s <<< ERROR!
> java.util.concurrent.ExecutionException:
> org.apache.flink.runtime.messages.FlinkJobNotFoundException: Could not find
> Flink job (2e957dc4f49feaed042eb8b4a7932610)
> at
> org.apache.flink.test.runtime.leaderelection.ZooKeeperLeaderElectionITCase.testJobExecutionOnClusterWithLeaderChange(ZooKeeperLeaderElectionITCase.java:152)
> Caused by: org.apache.flink.runtime.messages.FlinkJobNotFoundException: Could
> not find Flink job (2e957dc4f49feaed042eb8b4a7932610)
> at
> org.apache.flink.test.runtime.leaderelection.ZooKeeperLeaderElectionITCase.testJobExecutionOnClusterWithLeaderChange(ZooKeeperLeaderElectionITCase.java:149)
> {noformat}
> https://api.travis-ci.org/v3/job/502210892/log.txt
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