Unknown op code exception in DataXceiver.
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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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