[ http://issues.apache.org/jira/browse/HADOOP-810?page=all ]
Arun C Murthy resolved HADOOP-810.
----------------------------------
Resolution: Duplicate
Duplicate of HADOOP-737, fixed as a part of HADOOP-639.
> The non-existence of the job.xml file causes a LOT of tasks of the job fail
> ---------------------------------------------------------------------------
>
> Key: HADOOP-810
> URL: http://issues.apache.org/jira/browse/HADOOP-810
> Project: Hadoop
> Issue Type: Bug
> Reporter: Runping Qi
> Assigned To: Arun C Murthy
>
> For some reason, the job.xml file disappears from one of the nodes. That
> causes the following exception:
> java.lang.RuntimeException: java.lang.RuntimeException:
> taskTracker/jobcache/job_0039/job.xml not found
> at
> org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:551)
> at
> org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:472)
> at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:453)
> at org.apache.hadoop.conf.Configuration.get(Configuration.java:201)
> at
> org.apache.hadoop.conf.Configuration.getBoolean(Configuration.java:286)
> at
> org.apache.hadoop.mapred.JobConf.getKeepFailedTaskFiles(JobConf.java:212)
> at
> org.apache.hadoop.mapred.TaskTracker$TaskInProgress.setJobConf(TaskTracker.java:874)
> at
> org.apache.hadoop.mapred.TaskTracker.launchTaskForJob(TaskTracker.java:313)
> at
> org.apache.hadoop.mapred.TaskTracker.localizeJob(TaskTracker.java:307)
> at
> org.apache.hadoop.mapred.TaskTracker.startNewTask(TaskTracker.java:691)
> at
> org.apache.hadoop.mapred.TaskTracker.checkForNewTasks(TaskTracker.java:533)
> at
> org.apache.hadoop.mapred.TaskTracker.offerService(TaskTracker.java:448)
> at org.apache.hadoop.mapred.TaskTracker.run(TaskTracker.java:720)
> at org.apache.hadoop.mapred.TaskTracker.main(TaskTracker.java:1374)
> That is fine by itself.
> The problem is the task tracker keeps accepting tasks of the same job, and
> keeps failing them!
> The correct behavior is that it either tries to get the job.xml from the job
> tracker, or refuses accepting any new tasks
> of the same job.
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