[ https://issues.apache.org/jira/browse/MAPREDUCE-3821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Joseph Evans resolved MAPREDUCE-3821. -------------------------------------------- Resolution: Duplicate > NPE while running Shuffle benchmark > ----------------------------------- > > Key: MAPREDUCE-3821 > URL: https://issues.apache.org/jira/browse/MAPREDUCE-3821 > Project: Hadoop Map/Reduce > Issue Type: Bug > Components: mrv2 > Affects Versions: 0.23.1 > Reporter: Ramya Sunil > Priority: Critical > > hadoop jar hadoop-mapreduce-test.jar loadgen -outKey > org.apache.hadoop.io.Text -outValue org.apache.hadoop.io.Text > The tasks fail with the following exception: > {noformat} > Error: java.lang.NullPointerException > at org.apache.hadoop.fs.Path.<init>(Path.java:69) > at org.apache.hadoop.fs.Path.<init>(Path.java:58) > at > org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getPendingJobAttemptsPath(FileOutputCommitter.java:118) > at > org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getJobAttemptPath(FileOutputCommitter.java:167) > at > org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getJobAttemptPath(FileOutputCommitter.java:149) > at > org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getPendingTaskAttemptsPath(FileOutputCommitter.java:185) > at > org.apache.hadoop.mapreduce.lib.output.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:209) > at > org.apache.hadoop.mapred.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:100) > at > org.apache.hadoop.mapred.FileOutputCommitter.getTaskAttemptPath(FileOutputCommitter.java:94) > at > org.apache.hadoop.mapred.FileOutputCommitter.needsTaskCommit(FileOutputCommitter.java:176) > at > org.apache.hadoop.mapred.OutputCommitter.needsTaskCommit(OutputCommitter.java:248) > at org.apache.hadoop.mapred.Task.isCommitRequired(Task.java:955) > at org.apache.hadoop.mapred.Task.done(Task.java:912) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:331) > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:147) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:396) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1177) > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:142) > {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira