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https://issues.apache.org/jira/browse/HADOOP-4236?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12639737#action_12639737
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Owen O'Malley commented on HADOOP-4236:
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You need to explicitly terminateJob to make sure all of the tasks are marked as
killed.
Sameer has a good point that since the schedulers may delay initializing jobs
for an arbitrary length of time, we should probably kill jobs before they get
to init. It would be far better if we could always make the kill method do the
kill and block if it is in the middle of initialization.
> JobTracker.killJob() fails to kill a job if the job is not yet initialized
> --------------------------------------------------------------------------
>
> Key: HADOOP-4236
> URL: https://issues.apache.org/jira/browse/HADOOP-4236
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.19.0
> Reporter: Amar Kamat
> Assignee: Sharad Agarwal
> Priority: Blocker
> Fix For: 0.19.0
>
> Attachments: 4236_v1.patch, 4236_v2.patch, 4236_v3.patch
>
>
> HADOOP-3864 made the following changes to {{JobTracker.killJob()}}
> {code}
> public synchronized void killJob(JobID jobid) {
> JobInProgress job = jobs.get(jobid);
> - job.kill();
> + if (job.inited()) {
> + job.kill();
> + }
> }
> {code}
> This is a bug as a job will not get killed if its not yet initialized.
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