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From "Robert Joseph Evans (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2535) JobClient creates a RunningJob with null status and profile
Date Thu, 26 May 2011 14:18:47 GMT
JobClient creates a RunningJob with null status and profile
-----------------------------------------------------------

                 Key: MAPREDUCE-2535
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2535
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: client
    Affects Versions: 0.20.204.0
            Reporter: Robert Joseph Evans
            Assignee: Robert Joseph Evans


Exception occurred because the job was retired and is removed from RetireJobCcahe and CompletedJobStatusStore.
But, the
JobClient creates a RunningJob with null status and profile, if getJob(JobID) is called again.
So, Even-though not null check is there in the following user code, it did not help.
466             runningJob = jobClient.getJob(mapRedJobID);
467             if(runningJob != null) {

JobClient.getJob() should return null if status is null.


In trunk this is fixed by validating that the job status is not null every time it is updated,
and also verifying that that the profile data is not null when created.

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