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PipeMapRed.waitOutputThreads(): subprocess failed with code 1
java.lang.RuntimeException: PipeMapRed.waitOutputThreads(): subprocess failed with code 1	at org.apache.hadoop.streaming.PipeMapRed.waitOutputThreads(PipeMapRed.java:372)	at org.apache.hadoop.streaming.PipeMapRed.mapRedFinished(PipeMapRed.java:586)	at org.apache.hadoop.streaming.PipeMapper.close(PipeMapper.java:136)	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:63)	at org.apache.hadoop.streaming.PipeMapRunner.run(PipeMapRunner.java:36)	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:441)	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:377)	at org.apache.hadoop.mapred.Child$4.run(Child.java:259)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:415)	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1140)	at org.apache.hadoop.mapred.Child.main(Child.java:253)