[jira] [Closed] (HADOOP-8655) 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

["Arun C Murthy (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-8655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arun C Murthy closed HADOOP-8655.
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> 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: HADOOP-8655
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8655
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions: 0.20.2
>         Environment: Linux- Ubuntu 10.04
>            Reporter: Arun A K
>              Labels: hadoop, mapreduce, textinputformat, textinputformat.record.delimiter
>             Fix For: 3.0.0, 2.0.2-alpha
>
>         Attachments: HADOOP-8655 (2).patch, HADOOP-8655.patch, HADOOP-8655.patch, HADOOP-8655.patch, 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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