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https://issues.apache.org/jira/browse/FLINK-5999?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901330#comment-15901330
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Ufuk Celebi commented on FLINK-5999:
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https://s3.amazonaws.com/archive.travis-ci.org/jobs/208981739/log.txt
> MiniClusterITCase.runJobWithMultipleRpcServices fails
> -----------------------------------------------------
>
> Key: FLINK-5999
> URL: https://issues.apache.org/jira/browse/FLINK-5999
> Project: Flink
> Issue Type: Test
> Components: Distributed Coordination, Tests
> Reporter: Ufuk Celebi
> Labels: test-stability
>
> In a branch with unrelated changes to the web frontend I've seen the
> following test fail:
> {code}
> runJobWithMultipleRpcServices(org.apache.flink.runtime.minicluster.MiniClusterITCase)
> Time elapsed: 1.145 sec <<< ERROR!
> java.util.ConcurrentModificationException: null
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
> at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
> at
> org.apache.flink.runtime.resourcemanager.JobLeaderIdService.clear(JobLeaderIdService.java:114)
> at
> org.apache.flink.runtime.resourcemanager.JobLeaderIdService.stop(JobLeaderIdService.java:92)
> at
> org.apache.flink.runtime.resourcemanager.ResourceManager.shutDown(ResourceManager.java:182)
> at
> org.apache.flink.runtime.resourcemanager.ResourceManagerRunner.shutDownInternally(ResourceManagerRunner.java:83)
> at
> org.apache.flink.runtime.resourcemanager.ResourceManagerRunner.shutDown(ResourceManagerRunner.java:78)
> at
> org.apache.flink.runtime.minicluster.MiniCluster.shutdownInternally(MiniCluster.java:313)
> at
> org.apache.flink.runtime.minicluster.MiniCluster.shutdown(MiniCluster.java:281)
> at
> org.apache.flink.runtime.minicluster.MiniClusterITCase.runJobWithMultipleRpcServices(MiniClusterITCase.java:72)
> {code}
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