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https://issues.apache.org/jira/browse/MAPREDUCE-928?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran resolved MAPREDUCE-928.
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Resolution: Cannot Reproduce
rebuilding everything makes it go away, I think someone has found and fixed
this already. For the indexing tools out there, here is the stack trace.
{code}
[sf-startdaemon-debug] 09/08/28 12:21:06 [JobTracker] INFO mapred.JobTracker :
problem cleaning system directory:
hdfs://localhost:8020/tmp/hadoop/mapred/system: java.io.FileNotFoundException:
File hdfs://localhost:8020/tmp/hadoop/mapred/system does not exist.
[sf-startdaemon-debug] java.io.FileNotFoundException: File
hdfs://localhost:8020/tmp/hadoop/mapred/system does not exist.
[sf-startdaemon-debug] at
org.apache.hadoop.hdfs.DistributedFileSystem.listStatus(DistributedFileSystem.java:262)
[sf-startdaemon-debug] at
org.apache.hadoop.mapred.JobTracker.innerStart(JobTracker.java:2012)
[sf-startdaemon-debug] at
org.apache.hadoop.util.Service.start(Service.java:185)
[sf-startdaemon-debug] at
org.smartfrog.services.hadoop.components.cluster.HadoopServiceImpl.innerDeploy(HadoopServiceImpl.java:522)
[sf-startdaemon-debug] at
org.smartfrog.services.hadoop.components.cluster.HadoopServiceImpl.access$000(HadoopServiceImpl.java:53)
[sf-startdaemon-debug] at
org.smartfrog.services.hadoop.components.cluster.HadoopServiceImpl$ServiceDeployerThread.execute(HadoopServiceImpl.java:786)
{code}
> JobTracker startup can get confused if the mapred system dir isn't there
> ------------------------------------------------------------------------
>
> Key: MAPREDUCE-928
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-928
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobtracker
> Affects Versions: 0.21.0
> Reporter: Steve Loughran
>
> I'm seeing this in my branch, the JobTracker is catching and ignoring a
> FileNotFoundException when it tries to delete a nonexistent system dir
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