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Posted to common-issues@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2010/05/12 18:46:42 UTC

[jira] Assigned: (HADOOP-6762) exception while doing RPC I/O closes channel

     [ https://issues.apache.org/jira/browse/HADOOP-6762?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur reassigned HADOOP-6762:
----------------------------------------

    Assignee: sam rash

> exception while doing RPC I/O closes channel
> --------------------------------------------
>
>                 Key: HADOOP-6762
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6762
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>            Reporter: sam rash
>            Assignee: sam rash
>
> If a single process creates two unique fileSystems to the same NN using FileSystem.newInstance(), and one of them issues a close(), the leasechecker thread is interrupted.  This interrupt races with the rpc namenode.renew() and can cause a ClosedByInterruptException.  This closes the underlying channel and the other filesystem, sharing the connection will get errors.

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