Details
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Improvement
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Status: Resolved
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Minor
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Resolution: Fixed
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2.4.0, 3.0.0-alpha1
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None
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Reviewed
Description
From this log from our production cluster:
2014-04-22,10:39:05,476 WARN org.apache.hadoop.hdfs.server.datanode.DataNode: IOException in BlockReceiver constructor. Cause is
After reading code, i knew the cause was null which means no disk error. but the above log looked fragmentary. Attached is a minor change to tidy it.