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java.lang.NullPointerException: 	at org.apache.hadoop.mapred.pipes.Application.(	at	at org.apache.hadoop.mapred.MapTask.runOldMapper(	at	at org.apache.hadoop.mapred.LocalJobRunner$Job$	at java.util.concurrent.Executors$	at	at java.util.concurrent.ThreadPoolExecutor.runWorker(	at java.util.concurrent.ThreadPoolExecutor$	at