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Posted to common-dev@hadoop.apache.org by "sam rash (JIRA)" <ji...@apache.org> on 2010/05/12 18:26:41 UTC

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

exception while doing RPC I/O closes channel
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                 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


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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