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https://issues.apache.org/jira/browse/MAPREDUCE-5905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14526522#comment-14526522
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Hudson commented on MAPREDUCE-5905:
-----------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk #917 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk/917/])
MAPREDUCE-5905. CountersStrings.toEscapedCompactStrings outputs unnecessary
null strings. Contributed by Akira AJISAKA. (ozawa: rev
3ba18362f2a4b83635b89aa0adc5ebaf27d9ca83)
* hadoop-mapreduce-project/CHANGES.txt
*
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/util/CountersStrings.java
*
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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