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via Google Groups by Amran Chen, 1 year ago
This exception has no message.
via Google Groups by Amran Chen, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at alluxio.client.file.FileOutStream.close(FileOutStream.java:190)	at org.apache.hadoop.fs.FSDataOutputStream$PositionCache.close(FSDataOutputStream.java:72)	at org.apache.hadoop.fs.FSDataOutputStream.close(FSDataOutputStream.java:106)	at org.apache.hadoop.mapreduce.lib.output.TextOutputFormat$LineRecordWriter.close(TextOutputFormat.java:111)	at org.apache.hadoop.mapred.ReduceTask$NewTrackingRecordWriter.close(ReduceTask.java:550)	at org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:629)	at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:389)	at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)	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:1628)	at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)