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From "Liyin Liang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-2510) TaskTracker throw OutOfMemoryError after upgrade to jetty6
Date Wed, 18 May 2011 02:15:47 GMT
TaskTracker throw OutOfMemoryError after upgrade to jetty6
----------------------------------------------------------

                 Key: MAPREDUCE-2510
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2510
             Project: Hadoop Map/Reduce
          Issue Type: Bug
            Reporter: Liyin Liang


Our product cluster's TaskTracker sometimes throw OutOfMemoryError after upgrade to jetty6.
The exception in TT's log is as follows:
2011-05-17 19:16:40,756 ERROR org.mortbay.log: Error for /mapOutput

java.lang.OutOfMemoryError: Java heap space

        at java.io.BufferedInputStream.<init>(BufferedInputStream.java:178)

        at org.apache.hadoop.fs.BufferedFSInputStream.<init>(BufferedFSInputStream.java:44)

        at org.apache.hadoop.fs.RawLocalFileSystem.open(RawLocalFileSystem.java:176)

        at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:359)

        at org.apache.hadoop.mapred.TaskTracker$MapOutputServlet.doGet(TaskTracker.java:3040)

        at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)

        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.handle(ServletHandler.java:363)

        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)

Exceptions in .out file:
java.lang.OutOfMemoryError: Java heap space

Exception in thread "process reaper" java.lang.OutOfMemoryError: Java heap space

Exception in thread "pool-1-thread-1" java.lang.OutOfMemoryError: Java heap space

java.lang.OutOfMemoryError: Java heap space

java.lang.reflect.InvocationTargetException

Exception in thread "IPC Server handler 6 on 50050"     at sun.reflect.GeneratedMethodAccessor15.invoke(Unknown
Source)

        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

        at java.lang.reflect.Method.invoke(Method.java:597)

        at org.mortbay.log.Slf4jLog.warn(Slf4jLog.java:126)

        at org.mortbay.log.Log.warn(Log.java:181)

        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:449)

        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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