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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 05:08:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13204259#comment-13204259
] 

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

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12513886/HDFS-2777.patch
  against trunk revision .

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

    -1 tests included.  The patch doesn't appear to include any new or modified tests.
                        Please justify why no new tests are needed for this patch.
                        Also please list what manual steps were performed to verify this patch.

    +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/576//testReport/
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/576//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: 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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