[jira] [Commented] (MAPREDUCE-3387) A tracking URL of N/A before the app master is launched breaks oozie

["Hadoop QA (Commented) (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3387?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168618#comment-13168618 ] 

Hadoop QA commented on MAPREDUCE-3387:
--------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12507216/MR-3387.txt
  against trunk revision .

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 eclipse:eclipse.  The patch built with eclipse:eclipse.

    +1 findbugs.  The patch does not introduce any new Findbugs (version 1.3.9) warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit warnings.

    +1 core tests.  The patch passed unit tests in .

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1434//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1434//console

This message is automatically generated.
                
> A tracking URL of N/A before the app master is launched breaks oozie
> --------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3387
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3387
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>            Priority: Critical
>         Attachments: MR-3387.txt
>
>
> When oozie launches a map/reduce job it retrieves the tracking URL of that job to display in its own UI.  Previously this tracking URL did not change except when the job completed.  Currently the URL starts out as N/A and then changes to the real URL once the AppMaster launches.  This breaks oozie, as oozie expects to be able to get that information quickly and get back to processing other requests.
> Because the web app proxy is now available we can maintain backwards compatibility by instead of returning N/A we can return the URL of the proxy for that application.  This relies on the fact that the application master's UI will display the correct thing for the URI http://<host>:<port>/, which MR and others now do.

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