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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3636) Uncaught Exception in DataTransfer.run
Date Wed, 25 Jun 2008 00:17:44 GMT
Uncaught Exception in DataTransfer.run
--------------------------------------

                 Key: HADOOP-3636
                 URL: https://issues.apache.org/jira/browse/HADOOP-3636
             Project: Hadoop Core
          Issue Type: Bug
          Components: dfs
    Affects Versions: 0.17.0
         Environment: 17.0 + H1979-H2159-H3442
            Reporter: Koji Noguchi
            Priority: Minor


Minor, but it would be nice if this exception is caught and logged.

I see in .out file of datanode, 

{noformat}
Exception in thread "org.apache.hadoop.dfs.DataNode$DataTransfer@9d2805" java.nio.channels.ClosedSelectorException
        at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:66)
        at sun.nio.ch.SelectorImpl.selectNow(SelectorImpl.java:88)
        at sun.nio.ch.Util.releaseTemporarySelector(Util.java:135)
        at sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:118)
        at org.apache.hadoop.dfs.DataNode$DataTransfer.run(DataNode.java:2604)
        at java.lang.Thread.run(Thread.java:619)
{noformat}

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