[ https://issues.apache.org/jira/browse/MAPREDUCE-3930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Joseph Evans updated MAPREDUCE-3930: ------------------------------------------- Status: Patch Available (was: Open) > 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} -- This message is automatically generated by JIRA. 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