Streaming causes a lot of broken pipes which leads to job failure
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Key: HADOOP-755
URL: http://issues.apache.org/jira/browse/HADOOP-755
Project: Hadoop
Issue Type: Bug
Components: contrib/streaming
Reporter: Mahadev konar
Assigned To: Sameer Paranjpye
java.io.IOException: Broken pipe
at java.io.FileOutputStream.writeBytes(Native Method)
at java.io.FileOutputStream.write(FileOutputStream.java:260)
at
java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:65)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:123)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:124)
at java.io.DataOutputStream.flush(DataOutputStream.java:106)
at org.apache.hadoop.streaming.PipeMapper.map(PipeMapper.java:77)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:215)
at
org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1247)
at org.apache.hadoop.streaming.PipeMapper.map(PipeMapper.java:88)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:48)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:215)
at
org.apache.hadoop.mapred.TaskTracker$Child.main(TaskTracker.java:1247)
A lot of these errors occur in streaming. THis leads to job failure. I still am
not sure what the reason might be of these errors, but these erros occur too
often. I will try and invetigate more to see what the reason might be.
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