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https://issues.apache.org/jira/browse/FLINK-2387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14679973#comment-14679973
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ASF GitHub Bot commented on FLINK-2387:
---------------------------------------
Github user mxm commented on the pull request:
https://github.com/apache/flink/pull/926#issuecomment-129414456
Yes, it was a race condition that occurred only with the previous streaming
test design. The synchronization wouldn't always ensure that the SourceTask had
been brought up. Thus we would fail to see any accumulator results for this
task.
> Add test for live accumulators in Streaming
> -------------------------------------------
>
> Key: FLINK-2387
> URL: https://issues.apache.org/jira/browse/FLINK-2387
> Project: Flink
> Issue Type: Test
> Components: Streaming
> Reporter: Maximilian Michels
>
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