[
https://issues.apache.org/jira/browse/MAPREDUCE-1992?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895342#action_12895342
]
Kan Zhang commented on MAPREDUCE-1992:
--------------------------------------
This patch has been manually verified. Simply bring up a jobtracker with
security turned off and check it's up properly and no NPE is thrown.
> NPE in JobTracker's constructor
> -------------------------------
>
> Key: MAPREDUCE-1992
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1992
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.22.0
> Reporter: Ravi Gummadi
> Assignee: Kan Zhang
> Fix For: 0.22.0
>
> Attachments: m1992-02.patch
>
>
> On my local machine, JobTracker is *not* coming up with current trunk. Logs
> show the following NPE:
> 2010-08-03 14:01:41,449 FATAL org.apache.hadoop.mapred.JobTracker:
> java.lang.NullPointerException
> at
> org.apache.hadoop.security.UserGroupInformation.isLoginKeytabBased(UserGroupInformation.java:703)
> at org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:1383)
> at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:275)
> at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:267)
> at org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:262)
> at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4236)
> 2010-08-03 14:01:41,449 INFO org.apache.hadoop.mapred.JobTracker:
> SHUTDOWN_MSG:
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
