Sorry for the error. Did not have a proper look at the logs. This seems to be a JT issue. Ignore the previous email.
Thanks Divye Sheth On Apr 14, 2014 6:06 PM, "divye sheth" <[email protected]> wrote: > This usually occurs when the task takes more memory and exceeds its heap > space. You can increase the memory of the tasks by setting a property in > mapred-site.xml > > Mapred.child.opts specify the -Xmx to a higher value. > > P.S the property name might not be correct, you may look up the > mapred-default.xml for the exact property name. > > Sent from my phone. > > Thanks > Divye Sheth > On Apr 12, 2014 8:33 PM, "Viswanathan J" <[email protected]> > wrote: > >> Hi, >> >> I'm using Hadoop v1.2.1 and it is running fine so long(3 months) without >> any issues. >> >> Suddenly I got the below error in Jobtracker and jobs are failed to run. >> >> Is this issue in JT or TT or Jetty issue? >> >> 2014-04-12 02:13:57,618 ERROR org.mortbay.log: EXCEPTION >> java.lang.OutOfMemoryError: Java heap space at java.util.HashMap. >> newKeyIterator(HashMap.java:840) at java.util.HashMap$KeySet. >> iterator(HashMap.java:874) at java.util.HashSet.iterator( HashSet.java:153) >> at sun.nio.ch.SelectorImpl. processDeregisterQueue(SelectorImpl.java:127) >> at sun.nio.ch.EPollSelectorImpl. doSelect(EPollSelectorImpl.java:69) at >> sun.nio.ch.SelectorImpl. lockAndDoSelect(SelectorImpl.java:69) at >> sun.nio.ch.SelectorImpl. select(SelectorImpl.java:80) at >> org.mortbay.io.nio. SelectorManager$SelectSet. >> doSelect(SelectorManager.java:498) at org.mortbay.io.nio. >> SelectorManager.doSelect( SelectorManager.java:192) at >> org.mortbay.jetty.nio. SelectChannelConnector.accept( >> SelectChannelConnector.java:124) at org.mortbay.jetty. >> AbstractConnector$Acceptor. run(AbstractConnector.java:708) at >> org.mortbay.thread. QueuedThreadPool$PoolThread. >> run(QueuedThreadPool.java:582) 2014-04-12 02:26:02,093 ERROR >> org.apache.hadoop.security. UserGroupInformation: >> PriviledgedActionException as:root cause:java.io.IOException: >> java.lang.OutOfMemoryError: Java heap space 2014-04-12 02:25:47,963 ERROR >> org.mortbay.log: Error for /jobtracker.jsp java.lang.OutOfMemoryError: Java >> heap space at java.lang.String.toCharArray( String.java:2725) at >> sun.net.www.ParseUtil. encodePath(ParseUtil.java:86) at >> sun.misc.URLClassPath$ JarLoader.checkResource( URLClassPath.java:674) at >> sun.misc.URLClassPath$ JarLoader.getResource(URLClassPath.java:759) at >> sun.misc.URLClassPath. getResource(URLClassPath.java:169) at >> java.net.URLClassLoader$1.run( URLClassLoader.java:194) at java.security. >> AccessController.doPrivileged(Native Method) at java.net.URLClassLoader. >> findClass(URLClassLoader.java:190) at java.lang.ClassLoader. >> loadClass(ClassLoader.java:306) at sun.misc.Launcher$ >> AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader. >> loadClass(ClassLoader.java:247) at org.apache.hadoop.mapred. >> jobtracker_jsp._jspService( jobtracker_jsp.java:508) 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:914) 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) 2014-04-12 02:25:47,963 ERROR >> org.apache.hadoop.mapred.JobHistory: Unable to move history file to DONE >> canonical subfolder. java.lang.OutOfMemoryError: Java heap space >> >> Please help as I'm facing in production. >> >
