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Date: Thu, 29 Dec 2011 13:37:32 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
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Subject: [jira] [Commented] (HDFS-2726) "Exception in
 createBlockOutputStream" shouldn't delete exception stack trace
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    [ https://issues.apache.org/jira/browse/HDFS-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13177174#comment-13177174 ] 

Hudson commented on HDFS-2726:
------------------------------

Integrated in Hadoop-Mapreduce-trunk #942 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk/942/])
    HDFS-2726. Fix a logging issue under DFSClient's createBlockOutputStream method (harsh)

harsh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1225456
Files : 
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSOutputStream.java

                
> "Exception in createBlockOutputStream" shouldn't delete exception stack trace
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-2726
>                 URL: https://issues.apache.org/jira/browse/HDFS-2726
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Michael Bieniosek
>            Assignee: Harsh J
>             Fix For: 0.24.0
>
>         Attachments: HDFS-2726.patch
>
>
> I'm occasionally (1/5000 times) getting this error after upgrading everything to hadoop-0.18:
> 08/09/09 03:28:36 INFO dfs.DFSClient: Exception in createBlockOutputStream java.io.IOException: Could not read from stream
> 08/09/09 03:28:36 INFO dfs.DFSClient: Abandoning block blk_624229997631234952_8205908
> DFSClient contains the logging code:
>         LOG.info("Exception in createBlockOutputStream " + ie);
> This would be better written with ie as the second argument to LOG.info, so that the stack trace could be preserved.  As it is, I don't know how to start debugging.

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