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Date: Tue, 9 Feb 2010 12:38:27 +0000 (UTC)
From: "Karam Singh (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Resolved: (HDFS-38) DFSClient getting stuck intermittently
 giving "DFSClient: Could not complete file   filename retrying..." message
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     [ https://issues.apache.org/jira/browse/HDFS-38?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karam Singh resolved HDFS-38.
-----------------------------

      Resolution: Not A Problem
    Release Note: Now I do not see this problem so marking this issue Resloved Not a problem

> DFSClient getting stuck intermittently giving "DFSClient: Could not complete file   filename retrying..." message
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-38
>                 URL: https://issues.apache.org/jira/browse/HDFS-38
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Karam Singh
>
> While some streaming job with hadoop 0.18 and hadoop trunk, hadoop commands getting stuck intermittently and keeps on printing message "DFSClient: <filename>Could not complete file   retrying..."  in indefinite loop . 
> I have not faced this problem in hadoop 0.17,2.
> On one occasion after copying to hdfs second command "hadoop fs - put file.txt input/in.txt" got stuck in hadoop 0.18 and hadoop trunk version
> Following is the message -:
> [
> 08/07/24 05:03:58 INFO hdfs.DFSClient: Could not complete file / user/userid/input/rin.txt  retrying...
> 08/07/24 05:03:59 INFO hdfs.DFSClient: Could not complete file / user/userid/input/rin.txt   retrying...
> 08/07/24 05:03:59 INFO hdfs.DFSClient: Could not complete file / user/userid/input/rin.txt  retrying...
> ]
> On second occasion command -: "hadoop jar hadoop-0.19.0-dev-examples.jar randomtextwriter  rwout" got stuck with following -:
> [
> 08/07/24 08:39:06 INFO hdfs.DFSClient: Could not complete file /mparedsystem/userid/mapredsystem/clusterid/ job_200807240828_0028/job.xml retrying...
> 08/07/24 08:39:06 INFO hdfs.DFSClient: Could not complete file /mparedsystem/userid/mapredsystem/clusterid/ job_200807240828_0028/job.xml retrying...
> 08/07/24 08:39:06 INFO hdfs.DFSClient: Could not complete file /mparedsystem/userid/mapredsystem/clusterid/ job_200807240828_0028/job.xml retrying...
> 08/07/24 08:39:07 INFO hdfs.DFSClient: Could not complete file /mparedsystem/userid/mapredsystem/clusterid/ job_200807240828_0028/job.xml retrying...
> ]
> This is intermittent and there is no specific pattern.  I do not have namenode logs as I was hod for cluster allocation/deallocation with saving logs.

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