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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5905) CountersStrings.toEscapedCompactStrings outputs unnecessary "null" strings
Date Mon, 04 May 2015 10:43:07 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14526517#comment-14526517
] 

Hudson commented on MAPREDUCE-5905:
-----------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #183 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/183/])
MAPREDUCE-5905. CountersStrings.toEscapedCompactStrings outputs unnecessary null strings.
Contributed by Akira AJISAKA. (ozawa: rev 3ba18362f2a4b83635b89aa0adc5ebaf27d9ca83)
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/CountersStrings.java
* hadoop-mapreduce-project/CHANGES.txt
* hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapred/TestCounters.java


> CountersStrings.toEscapedCompactStrings outputs unnecessary "null" strings
> --------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5905
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5905
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 2.4.0, 2.7.0
>            Reporter: Akira AJISAKA
>            Assignee: Akira AJISAKA
>            Priority: Minor
>             Fix For: 2.8.0
>
>         Attachments: MAPREDUCE-5905.patch
>
>
> CountersStrings.toEscapedCompactStrings outputs "null" strings if a CounterGroup has
more than one Counter.
> That way there are some "null" strings in MRv1(CDH) job history log.
> https://issues.cloudera.org/browse/DISTRO-598



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