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From "Bhallamudi Venkata Siva Kamesh (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8654) TextInputFormat delimiter bug:- Input Text portion ends with & Delimiter starts with same char/char sequence
Date Tue, 07 Aug 2012 06:35:02 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13429969#comment-13429969

Bhallamudi Venkata Siva Kamesh commented on HADOOP-8654:

Hi Gelesh,

If there is any test failure, one can access them through *Test results* URL.

bq. -1 core tests. The patch failed these unit tests in hadoop-common-project/hadoop-common:org.apache.hadoop.ha.TestZKFailoverController

The above test failure seems to be unrelated to this patch. 

The patch does not contain any testcase. Please update your a patch with a testcase.
> TextInputFormat delimiter  bug:- Input Text portion ends with & Delimiter starts
with same char/char sequence
> -------------------------------------------------------------------------------------------------------------
>                 Key: HADOOP-8654
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8654
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: util
>    Affects Versions:, 1.0.3, 0.21.0, 2.0.0-alpha
>         Environment: Linux
>            Reporter: Gelesh
>              Labels: patch
>         Attachments: MAPREDUCE-4512.txt
>   Original Estimate: 1m
>  Remaining Estimate: 1m
> TextInputFormat delimiter  bug scenario , a character sequence of the input text,  in
which the first character matches with the first character of delimiter, and the remaining
input text character sequence  matches with the entire delimiter character sequence from the
 starting position of the delimiter.
> eg   delimiter ="record";
> and Text =" record 1:- name = Gelesh e mail = gelesh.hadoop@gmail.com Location Bangalore
record 2: name = sdf  ..  location =Bangalorrecord 3: name .... " 
> Here string "=Bangalorrecord 3: " satisfy two conditions 
> 1) contains the delimiter "record"
> 2) The character / character sequence immediately before the delimiter (ie ' r ') matches
with first character (or character sequence ) of delimiter.  (ie "=Bangalor" ends with and
Delimiter starts with same character/char sequence 'r' ),
> Here the delimiter is not encountered by the program resulting in improper value text
in map that contains the delimiter   

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