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Posted to mapreduce-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2012/11/27 16:52:00 UTC
[jira] [Created] (MAPREDUCE-4823) NPE in jobhistory.jsp
Steve Loughran created MAPREDUCE-4823:
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Summary: NPE in jobhistory.jsp
Key: MAPREDUCE-4823
URL: https://issues.apache.org/jira/browse/MAPREDUCE-4823
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: jobhistoryserver
Affects Versions: 1.0.3
Environment: Running on a JT which had a bit of confusion w.r.t its hostname (two IP addresses in /etc/hosts for the same hostname)
Reporter: Steve Loughran
Priority: Minor
asking for the job history page resulted in a stack trace instead of (an empty) job history
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[jira] [Commented] (MAPREDUCE-4823) NPE in jobhistory.jsp
Posted by "Steve Loughran (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MAPREDUCE-4823?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13504699#comment-13504699 ]
Steve Loughran commented on MAPREDUCE-4823:
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stack trace -which bears no relation to where in the JSP page the actual NPE was triggered. The generated java pages would show it.
{code}
java.lang.NullPointerException
at org.apache.hadoop.mapred.jobhistoryhome_jsp._jspService(jobhistoryhome_jsp.java:151)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1221)
at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:814)
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)
{code}
> NPE in jobhistory.jsp
> ---------------------
>
> Key: MAPREDUCE-4823
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4823
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: jobhistoryserver
> Affects Versions: 1.0.3
> Environment: Running on a JT which had a bit of confusion w.r.t its hostname (two IP addresses in /etc/hosts for the same hostname)
> Reporter: Steve Loughran
> Priority: Minor
>
> asking for the job history page resulted in a stack trace instead of (an empty) job history
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