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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8042) When copying a file out of HDFS, modifying it, and uploading it back into HDFS, the put fails due to a CRC mismatch
Date Thu, 09 Feb 2012 15:10:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204576#comment-13204576
] 

Hadoop QA commented on HADOOP-8042:
-----------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12513962/HADOOP-2048.patch
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 3 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit
warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/578//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/578//console

This message is automatically generated.
                
> When copying a file out of HDFS, modifying it, and uploading it back into HDFS, the put
fails due to a CRC mismatch
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-8042
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8042
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 0.24.0, 0.23.1
>         Environment: KR at Yahoo
>            Reporter: Kevin J. Price
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HADOOP-2048.patch, HDFS-2777.patch
>
>
> Performing an hdfs -get on a file, modifying the file, and using hdfs -put to place the
file back into HDFS results in a checksum error.  It seems that the problem is a .crc file
being generated locally from the -get command even though the -crc option was NOT specified.

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