java.io.IOException: Task process exit with nonzero status of 137.

INFO mapred.JobClient: Task Id : attempt_201308311326_0002_m_000003_0, Status : FAILED
java.io.IOException: Task process exit with nonzero status of 137.
at org.apache.hadoop.mapred.TaskRunner.run(TaskRunner.java:418)
不知道是什么原因？怎么解决，请高手指点！
              
               
               

            网上说是内存不足的问题
http://www.hadoopor.com/archiver/tid-1229.html
http://stackoverflow.com/questions/7312125/hadoop-streaming-job-failure-task-process-exit-with-nonzero-status-of-137