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https://issues.apache.org/jira/browse/HADOOP-5419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12707311#action_12707311
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Karam Singh commented on HADOOP-5419:
-------------------------------------
Applied hadoop-5419-5.patch.
Found that when try to run command -: "hadoop queue -showacls" from a user who
does not have access to any queue. It throes NPE : -
Exception in thread "main" java.lang.NullPointerException
at
org.apache.hadoop.mapred.JobQueueClient.displayQueueAclsInfoForCurrentUser(JobQueueClient.java:162)
at org.apache.hadoop.mapred.JobQueueClient.run(JobQueueClient.java:99)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.mapred.JobQueueClient.main(JobQueueClient.java:182)
> Provide a way for users to find out what operations they can do on which M/R
> queues
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-5419
> URL: https://issues.apache.org/jira/browse/HADOOP-5419
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Hemanth Yamijala
> Assignee: rahul k singh
> Attachments: commands_manual.pdf, hadoop-5419-1.patch,
> hadoop-5419-1.patch, hadoop-5419-2.patch, hadoop-5419-2.patch,
> hadoop-5419-3.patch, hadoop-5419-4.patch, hadoop-5419-5.patch,
> hadoop-5419.patch, hadoop-5419.patch, hadoop-5419.patch, hadoop-5419.patch
>
>
> This issue is to provide an improvement on the existing M/R framework to let
> users know which queues they have access to, and for what operations. One use
> case for this would that currently there is no easy way to know if the user
> has access to submit jobs to a queue, until it fails with an access control
> exception.
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