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From "Paul Han (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5500) Accessing task page for running job throw 500 Error code
Date Thu, 12 Sep 2013 00:09:52 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13764988#comment-13764988
] 

Paul Han commented on MAPREDUCE-5500:
-------------------------------------

When creating patch, realized that there's a similar fix is already in. Marked this as dup.

My fix was to add a closing block: " ._()". which is similar to Thomas's addition of " .tbody()".


                
> Accessing task page for running job throw 500 Error code
> --------------------------------------------------------
>
>                 Key: MAPREDUCE-5500
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5500
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mr-am
>    Affects Versions: 2.0.5-alpha
>            Reporter: Paul Han
>            Assignee: Paul Han
>
> For running jobs on Hadoop 2.0, trying to access Task counters page throws Server 500
error. Digging a bit I see this exception in MRAppMaster logs
> {noformat}
> 2013-08-09 21:54:35,083 ERROR [556661283@qtp-875702288-23] org.apache.hadoop.yarn.webapp.Dispatcher:
error handling URI: /mapreduce/task/task_1376081364308_0002_m_000001
> java.lang.reflect.InvocationTargetException
>      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>      at java.lang.reflect.Method.invoke(Method.java:606)
>      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$CachedChain.doFilter(ServletHandler.java:1212)
>      at org.apache.hadoop.yarn.server.webproxy.amfilter.AmIpFilter.doFilter(AmIpFilter.java:123)
>      at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>      at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:1069)
>      at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>      at org.apache.hadoop.http.NoCacheFilter.doFilter(NoCacheFilter.java:45)
>      at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1212)
>      at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:399)
>      at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>      at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
>      at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
>      at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
>      at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
>      at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
>      at org.mortbay.jetty.Server.handle(Server.java:326)
>      at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
>      at org.mortbay.jetty.HttpConnection$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$PoolThread.run(QueuedThreadPool.java:582)
> Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error rendering block: nestLevel=6
expected 5
>      at org.apache.hadoop.yarn.webapp.view.HtmlBlock.render(HtmlBlock.java:66)
>      at org.apache.hadoop.yarn.webapp.view.HtmlBlock.renderPartial(HtmlBlock.java:74)
>      at org.apache.hadoop.yarn.webapp.View.render(View.java:233)
>      at org.apache.hadoop.yarn.webapp.view.HtmlPage$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:256)
>      ... 39 more
> 2013-08-09 21:54:36,660 INFO [IPC Server handler 4 on 51776] org.apache.hadoop.mapred.TaskAttemptListenerImpl:
Status update from attempt_1376081364308_0002_m_000000_0
> 2013-08-09 21:54:36,661 INFO [IPC Server handler 4 on 51776] org.apache.hadoop.mapred.TaskAttemptListenerImpl:
Progress of TaskAttempt attempt_1376081364308_0002_m_000000_0 is : 0.21281
> {noformat}
> This looks to be critical bug because unable to access counters will be major setback
for users to be able to debug running jobs.
> Note that same job counters work fine if we access it from JobHistoryServer

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