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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2726) "Exception in createBlockOutputStream" shouldn't delete exception stack trace
Date Sat, 07 Jan 2012 03:55:39 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13181827#comment-13181827
] 

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

Integrated in Hadoop-Hdfs-trunk-Commit #1584 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/1584/])
    Merged HDFS-2349, HDFS-2729, HDFS-2726, HDFS-554, HDFS-1314, HADOOP-7910 to branch-0.23,
updating CHANGES.txt for trunk.

harsh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1228567
Files : 
* /hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt

                
> "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
>    Affects Versions: 0.23.0
>            Reporter: Michael Bieniosek
>            Assignee: Harsh J
>             Fix For: 0.23.1
>
>         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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