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Date: Tue, 28 Feb 2012 17:19:46 +0000 (UTC)
From: "Hadoop QA (Commented) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-3930) The AM page for a Reducer that
 has not been launched causes an NPE
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13218363#comment-13218363 ] 

Hadoop QA commented on MAPREDUCE-3930:
--------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12516348/MR-3930.txt
  against trunk revision .

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

    +1 tests included.  The patch appears to include 3 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/1947//testReport/
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1947//console

This message is automatically generated.
                
> The AM page for a Reducer that has not been launched causes an NPE
> ------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3930
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3930
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.1, 0.23.2
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>         Attachments: MR-3930.txt
>
>
> {noformat}
> java.lang.reflect.InvocationTargetException
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>         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 com.sun.jersey.spi.container.servlet.ServletContainer.doFilter(ServletContainer.java:795)
>         at com.google.inject.servlet.FilterDefinition.doFilter(FilterDefinition.java:163)
>         at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:58)
>         at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:118)
>         at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:113)
>         at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>         at org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:120)
>         at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>         at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:940)
>         at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>         at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
>         at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>         at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>         at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
>         at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
>         at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>         at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>         at org.mortbay.jetty.Server.handle(Server.java:322)
>         at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>         at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
>         at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
>         at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
>         at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
>         at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410)
>         at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
> Caused by: java.lang.NullPointerException
>         at org.apache.hadoop.yarn.util.ConverterUtils.toString(ConverterUtils.java:145)
>         at org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskAttemptInfo.<init>(TaskAttemptInfo.java:69)
>         at org.apache.hadoop.mapreduce.v2.app.webapp.dao.TaskAttemptInfo.<init>(TaskAttemptInfo.java:60)
>         at org.apache.hadoop.mapreduce.v2.app.webapp.TaskPage$AttemptsBlock.render(TaskPage.java:76)
>         at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:64)
>         at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:74)
>         at org.apache.hadoop.yarn.webapp.View.render(View.java:233)
>         at org.apache.hadoop.yarn.webapp.view.HtmlPage$Page.subView(HtmlPage.java:47)
>         at org.apache.hadoop.yarn.webapp.hamlet.HamletImpl$EImp._v(HamletImpl.java:117)
>         at org.apache.hadoop.yarn.webapp.hamlet.Hamlet$TD._(Hamlet.java:843)
>         at org.apache.hadoop.yarn.webapp.view.TwoColumnLayout.render(TwoColumnLayout.java:54)
>         at org.apache.hadoop.yarn.webapp.view.HtmlPage.render(HtmlPage.java:80)
>         at org.apache.hadoop.yarn.webapp.Controller.render(Controller.java:210)
>         at org.apache.hadoop.mapreduce.v2.app.webapp.AppController.task(AppController.java:250) 
>         ... 37 more
> {noformat}

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