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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8852) DelegationTokenRenewer thread is not stopped when its filesystem is closed
Date Thu, 27 Sep 2012 16:14:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13464846#comment-13464846
] 

Karthik Kambatla commented on HADOOP-8852:
------------------------------------------

Thanks Tom and Daryn for your comments.

Daryn, your suggestions make absolute sense. Will work on the patch. While working on this
earlier, I thought of making it a Singleton, but thought there was a reason why it was not
Singleton :)

I will add {{cancelToken()}} and {{shutdown()}} to {{DelegationTokenRenewer}}, and use them
in the FileSystems.
                
> DelegationTokenRenewer thread is not stopped when its filesystem is closed
> --------------------------------------------------------------------------
>
>                 Key: HADOOP-8852
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8852
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Tom White
>            Assignee: Karthik Kambatla
>         Attachments: hadoop-8852.patch, hadoop-8852.patch
>
>
> HftpFileSystem and WebHdfsFileSystem should stop the DelegationTokenRenewer thread when
they are closed. 

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