[jira] [Created] (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

["Arun A K (JIRA)" <ji...@apache.org>]

Arun A K created MAPREDUCE-4519:
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             Summary: 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
             Fix For: 0.20.2


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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