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https://issues.apache.org/jira/browse/FLINK-4388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15419861#comment-15419861
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ramkrishna.s.vasudevan commented on FLINK-4388:
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[~StephanEwen]
I think it happened because I would have just seen the JIRA even before you had
assigned it. I should have refreshed the page before commenting. My bad. No
problem. Just wanted to see if I could be of help here.
> Race condition during initialization of MemorySegmentFactory
> ------------------------------------------------------------
>
> Key: FLINK-4388
> URL: https://issues.apache.org/jira/browse/FLINK-4388
> Project: Flink
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.1
> Reporter: Stephan Ewen
> Assignee: Stephan Ewen
> Fix For: 1.2.0, 1.1.2
>
>
> The check whether the factory is initialized, and the actual initialization
> are not atomic. When starting multiple TaskManagers, this can lead to races
> and exceptions.
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