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2014-04-12 23:02 GMT+08:00 Viswanathan J <jayamviswanat...@gmail.com>: > 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. >