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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1624) Unknown op code exception in DataXceiver.
Date Wed, 18 Jul 2007 01:27:04 GMT
Unknown op code exception in DataXceiver.

                 Key: HADOOP-1624
                 URL: https://issues.apache.org/jira/browse/HADOOP-1624
             Project: Hadoop
          Issue Type: Bug
    Affects Versions: 0.14.0
            Reporter: Konstantin Shvachko
            Assignee: Raghu Angadi
            Priority: Blocker
             Fix For: 0.14.0

There is a missing break statement in DataNode.DataXceiver.run() which sends DataXceiver into
an infinite loop printing

Faulty op: 82
07/07/17 17:52:04 ERROR dfs.DataNode: DataXCeiver
java.io.IOException: Unknown opcode 82in data stream
    at org.apache.hadoop.dfs.DataNode$DataXceiver.run(DataNode.java:742)
    at java.lang.Thread.run(Thread.java:595)

Consequence of HADOOP-1134.

Also a printout two lines below seems unnecessary.
And another three lines below
      LOG.error("DataXCeiver", t);
should be spelled DataXceiver

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