Details
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Bug
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Status: Resolved
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Major
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Resolution: Not A Problem
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0.20.2, 1.1.1
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None
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None
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None
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Sun Java 1.6.0_13, OpenSolaris, running on a SunFire 4150 (x64) 10 node cluster
Description
During the shuffle phase, I'm seeing a large sequence of the following actions:
1) WARN org.apache.hadoop.mapred.TaskTracker: getMapOutput(attempt_200905181452_0002_m_000010_0,0) failed : org.mortbay.jetty.EofException
2) WARN org.mortbay.log: Committed before 410 getMapOutput(attempt_200905181452_0002_m_000010_0,0) failed : org.mortbay.jetty.EofException
3) ERROR org.mortbay.log: /mapOutput java.lang.IllegalStateException: Committed
The map phase completes with 100%, and then the reduce phase crawls along with the above errors in each of the TaskTracker logs. None of the tasktrackers get lost. When I run non-data jobs like the 'pi' test from the example jar, everything works fine.
Attachments
Attachments
Issue Links
- is related to
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MAPREDUCE-163 TaskTracker's Jetty throws SocketException followed by IllegalStateException
- Resolved
- is superceded by
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MAPREDUCE-5492 Suppress expected log output stated on MAPREDUCE-5
- Resolved