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https://issues.apache.org/jira/browse/FLINK-2371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14634766#comment-14634766
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ASF GitHub Bot commented on FLINK-2371:
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Github user tillrohrmann commented on the pull request:
https://github.com/apache/flink/pull/925#issuecomment-123212399
Is it bad that the accumulators are not serialized in a local setup? If not
and you only want to test the serialization in a distributed setting, then you
can also simply start the testing cluster with multiple `ActorSystems`. This
should enforce serialization, if I'm not mistaken.
> AccumulatorLiveITCase fails
> ---------------------------
>
> Key: FLINK-2371
> URL: https://issues.apache.org/jira/browse/FLINK-2371
> Project: Flink
> Issue Type: Bug
> Components: Tests
> Reporter: Matthias J. Sax
> Assignee: Maximilian Michels
>
> AccumulatorLiveITCase fails regularly (however, not in each run). The tests
> relies on timing (via sleep) which does not work well on Travis.
> See dev-list for more details:
> https://mail-archives.apache.org/mod_mbox/flink-dev/201507.mbox/browser
> AccumulatorLiveITCase.testProgram:106->access$1100:68->checkFlinkAccumulators:189
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