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https://issues.apache.org/jira/browse/FLINK-4436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15451701#comment-15451701
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ASF GitHub Bot commented on FLINK-4436:
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Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2402
+1 to merge
> Unclosed DataOutputBuffer in Utils#setTokensFor()
> -------------------------------------------------
>
> Key: FLINK-4436
> URL: https://issues.apache.org/jira/browse/FLINK-4436
> Project: Flink
> Issue Type: Bug
> Reporter: Ted Yu
> Priority: Minor
>
> {code}
> DataOutputBuffer dob = new DataOutputBuffer();
> credentials.writeTokenStorageToStream(dob);
> {code}
> dob should be closed upon returning from the method.
> YarnApplicationMasterRunner#createTaskManagerContext() has similar issue.
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