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Posted to mapreduce-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:33:41 UTC
[jira] [Updated] (MAPREDUCE-2058)
FairScheduler:NullPointerException in web interface when JobTracker not
initialized
[ https://issues.apache.org/jira/browse/MAPREDUCE-2058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Allen Wittenauer updated MAPREDUCE-2058:
----------------------------------------
Labels: BB2015-05-TBR (was: )
> FairScheduler:NullPointerException in web interface when JobTracker not initialized
> -----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2058
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2058
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/fair-share
> Affects Versions: 0.22.0, 1.0.4
> Reporter: Dan Adkins
> Labels: BB2015-05-TBR
> Attachments: MAPREDUCE-2058-branch-1.patch, MAPREDUCE-2058.patch
>
>
> When I contact the jobtracker web interface prior to the job tracker being fully initialized (say, if hdfs is still in safe mode), I get the following error:
> 10/09/09 18:06:02 ERROR mortbay.log: /jobtracker.jsp
> java.lang.NullPointerException
> at org.apache.hadoop.mapred.FairScheduler.getJobs(FairScheduler.java:909)
> at org.apache.hadoop.mapred.JobTracker.getJobsFromQueue(JobTracker.java:4357)
> at org.apache.hadoop.mapred.JobTracker.getQueueInfoArray(JobTracker.java:4334)
> at org.apache.hadoop.mapred.JobTracker.getRootQueues(JobTracker.java:4295)
> at org.apache.hadoop.mapred.jobtracker_jsp.generateSummaryTable(jobtracker_jsp.java:44)
> at org.apache.hadoop.mapred.jobtracker_jsp._jspService(jobtracker_jsp.java:176)
> 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:502)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1124)
> at org.apache.hadoop.http.HttpServer$QuotingInputFilter.doFilter(HttpServer.java:857)
> at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1115)
> at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:361)
> at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
> at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
> at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
> at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
> at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
> at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
> at org.mortbay.jetty.Server.handle(Server.java:324)
> at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:534) at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:864)
> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:533) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:207)
> at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:403)
> at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
> at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:522)
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