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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-2444) A bug in unit test: TestDFSShell.testText()
Date Wed, 16 Nov 2011 15:12:52 GMT

    [ https://issues.apache.org/jira/browse/HDFS-2444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13151253#comment-13151253
] 

Hadoop QA commented on HDFS-2444:
---------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12501580/HDFS-2444.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 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 failed these unit tests:
                  org.apache.hadoop.hdfs.security.TestDelegationToken
                  org.apache.hadoop.hdfs.tools.TestGetGroups
                  org.apache.hadoop.hdfs.TestDfsOverAvroRpc
                  org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewer
                  org.apache.hadoop.hdfs.TestLeaseRecovery2
                  org.apache.hadoop.hdfs.TestDistributedFileSystem
                  org.apache.hadoop.hdfs.TestPread
                  org.apache.hadoop.hdfs.TestBlocksScheduledCounter

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

Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/1561//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/1561//console

This message is automatically generated.
                
> A bug in unit test: TestDFSShell.testText()
> -------------------------------------------
>
>                 Key: HDFS-2444
>                 URL: https://issues.apache.org/jira/browse/HDFS-2444
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.21.0, 0.23.0
>            Reporter: Hou Song
>         Attachments: HDFS-2444.patch
>
>
> testText() writes the same random String into a ByteArray in memory and a GZIPOutputStream
in DFS. After closing GZIPOutputStream, it reads it back using shell command -text, and compares
it against the ByteArray. However, before comparing, the shell output and the ByteArray are
both reset, making the comparison useless. 
> What's more, after closing the GZIPOutputStream, DFS is unable to find the file, and
the -text command failed to read, giving no output. 

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