[ https://issues.apache.org/jira/browse/MAPREDUCE-4048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Devaraj K updated MAPREDUCE-4048: --------------------------------- Affects Version/s: (was: 0.23.1) 3.0.0 2.0.0 Status: Patch Available (was: Open) I have attached patch to fix this. > 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 > Affects Versions: 2.0.0, 3.0.0 > Reporter: Devaraj K > Assignee: Devaraj K > Attachments: 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} -- 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