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From "Dan Adkins (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-2060) IOException: Filesystem closed on submitJob
Date Tue, 14 Sep 2010 00:17:37 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2060?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12909063#action_12909063
] 

Dan Adkins commented on MAPREDUCE-2060:
---------------------------------------

Yes, I am able to all HDFS operations as dadkins.

We do not have user accounts on individual boxes in our cluster; we are not doing LDAP or
anything of that nature.  We do, however, have the mr20 (mapreduce) and hd20 (hdfs) users
on all nodes, and those users own the local files on each node.


> IOException: Filesystem closed on submitJob
> -------------------------------------------
>
>                 Key: MAPREDUCE-2060
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2060
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: jobtracker
>    Affects Versions: 0.22.0
>         Environment: https://svn.apache.org/repos/asf/hadoop/mapreduce/trunk@994941
> https://svn.apache.org/repos/asf/hadoop/hdfs/trunk@993542
>            Reporter: Dan Adkins
>
> I get the following strange error on the jobtracker when attempting to submit a job:
> 10/09/09 20:31:35 INFO ipc.Server: IPC Server handler 7 on 31000, call submitJob(job_201009092028_0001,
hdfs://hns4.sea1.qc:21000/tmp/hadoop-mr20/mapred/staging/dadkins/.staging/job_201009092028_0001,
org.apache.hadoop.security.Credentials@20c87621) from 10.128.130.145:49253: error: java.io.IOException:
Filesystem closed
> java.io.IOException: Filesystem closed
> 	at org.apache.hadoop.hdfs.DFSClient.checkOpen(DFSClient.java:307)
> 	at org.apache.hadoop.hdfs.DFSClient.mkdirs(DFSClient.java:1212)
> 	at org.apache.hadoop.hdfs.DistributedFileSystem.mkdirs(DistributedFileSystem.java:494)
> 	at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:1491)
> 	at org.apache.hadoop.fs.FileSystem.mkdirs(FileSystem.java:395)
> 	at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3078)
> 	at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:3014)
> 	at org.apache.hadoop.mapred.JobTracker.submitJob(JobTracker.java:2996)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.apache.hadoop.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:349)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1380)
> 	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1376)
> 	at java.security.AccessController.doPrivileged(Native Method)
> 	at javax.security.auth.Subject.doAs(Subject.java:396)
> 	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1105)
> 	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1374)

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