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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3100) failed to append data using webhdfs
Date Tue, 20 Mar 2012 19:31:38 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3100?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233680#comment-13233680

Hadoop QA commented on HDFS-3100:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision .

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

    +1 tests included.  The patch appears to include 11 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

    -1 core tests.  The patch failed these unit tests:

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/2040//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2040//console

This message is automatically generated.
> failed to append data using webhdfs
> -----------------------------------
>                 Key: HDFS-3100
>                 URL: https://issues.apache.org/jira/browse/HDFS-3100
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: data-node
>    Affects Versions: 0.24.0, 0.23.1
>            Reporter: Zhanwei.Wang
>            Assignee: Brandon Li
>         Attachments: HDFS-3100.patch, HDFS-3100.patch, hadoop-wangzw-datanode-ubuntu.log,
hadoop-wangzw-namenode-ubuntu.log, test.sh, testAppend.patch
> 1, deploy a single node hdfs  0.23.1 cluster and configure hdfs as:
> A) enable webhdfs
> B) enable append
> C) disable permissions
> 2, start hdfs
> 3, run the test script as attached
> expected: a file named testFile should be created and populated with 32K * 5000 zeros,
HDFS should be OK.
> I got: script cannot be finished, file has been created but not be populated as expected,
actually append operation failed.
> Datanode log shows that, blockscaner report a bad replica and nanenode decide to delete
it. Since it is a single node cluster, append fail. It makes no sense that the script failed
every time.
> Datanode and Namenode logs are attached.

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