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https://issues.apache.org/jira/browse/HADOOP-9044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14308951#comment-14308951
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Hudson commented on HADOOP-9044:
--------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #96 (See 
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/96/])
HADOOP-9044. add FindClass main class to provide classpath checking of 
installations (Steve Loughran via aw) (aw: rev 
d27439f8390483ee06ddeaef5104eb14ff6e18bd)
* hadoop-common-project/hadoop-common/CHANGES.txt
HADOOP-9044. add FindClass main class to provide classpath checking of 
installations (Steve Loughran via aw) (aw: rev 
276485e1de9099bbfae093078f9e69fc65104114)
* 
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/FindClass.java
* 
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestFindClass.java


> add FindClass main class to provide classpath checking of installations
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-9044
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9044
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: util
>    Affects Versions: 3.0.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>             Fix For: 3.0.0
>
>         Attachments: HADOOP-9044-002.patch, HADOOP-9044-003.patch, 
> HADOOP-9044.patch, HADOOP-9044.patch
>
>
> It's useful in postflight checking of a hadoop installation to verify that 
> classes load, especially codes with external JARs and native codecs. 
> An entry point designed to load a named class and create an instance of that 
> class can do this -and be invoked from any shell script or tool that does the 
> installation.



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