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 {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. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira