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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4519) In TextInputFormat, while specifying textinputformat.record.delimiter the character/character sequences in data file similar to starting character/starting character sequence in delimiter were found missing in certain cases in the Map Output
Date Mon, 06 Aug 2012 11:53:03 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429097#comment-13429097
] 

Hadoop QA commented on MAPREDUCE-4519:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12539291/MAPREDUCE-4519.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 javac.  The applied patch does not increase the total number of javac compiler warnings.

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

    +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 hadoop-common-project/hadoop-common.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2709//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2709//console

This message is automatically generated.
                
> In TextInputFormat, while specifying textinputformat.record.delimiter the character/character
sequences in data file similar to starting character/starting character sequence in delimiter
were found missing in certain cases in the Map Output
> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4519
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4519
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.20.2
>         Environment: Linux- Ubuntu 10.04
>            Reporter: Arun A K
>              Labels: hadoop, mapreduce, textinputformat, textinputformat.record.delimiter
>             Fix For: 0.20.2
>
>         Attachments: MAPREDUCE-4519.patch
>
>   Original Estimate: 168h
>  Remaining Estimate: 168h
>
> Set textinputformat.record.delimiter as "</entity>"
> Suppose the input is a text file with the following content
> <entity><id>1</id><name>User1</name></entity><entity><id>2</id><name>User2</name></entity><entity><id>3</id><name>User3</name></entity><entity><id>4</id><name>User4</name></entity><entity><id>5</id><name>User5</name></entity>
> Mapper was expected to get value as 
> Value 1 - <entity><id>1</id><name>User1</name>
> Value 2 - <entity><id>2</id><name>User2</name>
> Value 3 - <entity><id>3</id><name>User3</name>
> Value 4 - <entity><id>4</id><name>User4</name>
> Value 5 - <entity><id>5</id><name>User5</name>
> According to this bug Mapper gets value
> Value 1 - entity><id>1</id><name>User1</name>
> Value 2 - <entity>id>2</id><name>User2</name>
> Value 3 - <entity><id>3id><name>User3</name>
> Value 4 - <entity><id>4</id><name>User4name>
> Value 5 - <entity><id>5</id><name>User5</name>
> The pattern shown above need not occur for value 1,2,3 necessarily. The bug occurs at
some random positions in the map input.
>  

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