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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4048) NullPointerException exception while accessing the Application Master UI
Date Fri, 04 May 2012 12:56:48 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13268315#comment-13268315
] 

Hadoop QA commented on MAPREDUCE-4048:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12525596/MAPREDUCE-4048-1.patch
  against trunk revision .

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

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

    -1 javadoc.  The javadoc tool appears to have generated 2 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 hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app.

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2357//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2357//console

This message is automatically generated.
                
> NullPointerException exception while accessing the Application Master UI
> ------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-4048
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4048
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 2.0.0, 3.0.0
>            Reporter: Devaraj K
>            Assignee: Devaraj K
>         Attachments: MAPREDUCE-4048-1.patch, MAPREDUCE-4048.patch
>
>
> {code:xml}
> 2012-03-21 10:21:31,838 ERROR [2145015588@qtp-957250718-801] org.apache.hadoop.yarn.webapp.Dispatcher:
error handling URI: /mapreduce/attempts/job_1332261815858_2_8/m/KILLED
> java.lang.reflect.InvocationTargetException
>         at sun.reflect.GeneratedMethodAccessor50.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>         at java.lang.reflect.Method.invoke(Method.java:597)
>         at org.apache.hadoop.yarn.webapp.Dispatcher.service(Dispatcher.java:150)
>         at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>         at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:263)
>         at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:178)
>         at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
>         at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:62)
>         at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:900)
>         at com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:834)
>         .......
>         at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>         at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
>         at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Caused by: java.lang.NullPointerException
>         at com.google.common.base.Joiner.toString(Joiner.java:317)
>         at com.google.common.base.Joiner.appendTo(Joiner.java:97)
>         at com.google.common.base.Joiner.appendTo(Joiner.java:127)
>         at com.google.common.base.Joiner.join(Joiner.java:158)
>         at com.google.common.base.Joiner.join(Joiner.java:166)
>         at org.apache.hadoop.yarn.util.StringHelper.join(StringHelper.java:102)
>         at org.apache.hadoop.mapreduce.v2.app.webapp.AppController.badRequest(AppController.java:319)
>         at org.apache.hadoop.mapreduce.v2.app.webapp.AppController.attempts(AppController.java:286)
>         ... 36 more
> {code}

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