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https://issues.apache.org/jira/browse/HADOOP-11815?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14486255#comment-14486255
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Haohui Mai commented on HADOOP-11815:
-------------------------------------
The general approach looks good to me. A cleaner way is to store
{{SignerSecretProvider}} in a final field in {{HttpServer2}} and to call
{{destroy()}} on the field.
> AM JVM hungs after job unregister and finished
> ----------------------------------------------
>
> Key: HADOOP-11815
> URL: https://issues.apache.org/jira/browse/HADOOP-11815
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Rohith
> Assignee: Rohith
> Priority: Blocker
> Attachments: 0001-MAPREDUCE-6311.patch, 0001-MAPREDUCE-6311.patch,
> MR_TD.out
>
>
> It is observed that MRAppMaster JVM hungs after unregistered with
> ResourceManager.
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