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Task: attempt_1472884232220_0001_m_000000_0 - exited : java.io.IOException: org.apache.hadoop.tools.mapred.RetriableFileCopyCommand$CopyReadException: java.io.FileNotFoundException: No such file or directory 's3n://hadoopbook/ncdc/all/1901.gz'
java.io.FileNotFoundException: No such file or directory 's3n://hadoopbook/ncdc/all/1901.gz'	at com.amazon.ws.emr.hadoop.fs.s3n.S3NativeFileSystem.getFileStatus(S3NativeFileSystem.java:818)	at com.amazon.ws.emr.hadoop.fs.EmrFileSystem.getFileStatus(EmrFileSystem.java:511)	at org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:219)	at org.apache.hadoop.tools.mapred.CopyMapper.map(CopyMapper.java:50)	at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)	at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:796)	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342)	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)	at java.security.AccessController.doPrivileged(Native Method)	at javax.security.auth.Subject.doAs(Subject.java:422)	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)