Trouble with  "java.lang.OutOfMemoryError: Java heap space"

Hello,
I use a Java-based modeling tool that very few out there are probably familiar with. This tool allows me to run models (program) from within the development environment, to create Applets or create jar files that can be executed in a stand-alone fashion.
I am using a database on my local harddrive to read in some data using JDBC, so am not using the Applet option with certificates. The development environment is expensive, so can't be distributed. That leaves the stand-alone option.
The model (program) I've written runs perfectly fine in the development environment and, previously, has worked fine as a stand-alone program. However, the stand-alone option isn't working anymore, because I keep getting this error.
I am not much of a Java programmer; I'm learning as I go along. If anyone can help me solve this, I'll be most appreciative
From my cmd prompt:
C:\Documents and Settings\072\Desktop\TA\for\for Applet Files>cd "C:\D
ocuments and Settings\072\Desktop\TA\for\for Applet Files"
C:\Documents and Settings\072\Desktop\TA\for\for Applet Files>java -cl
asspath enterprise_library.jar;business_graphics_library.jar;for.jar;xjanylog
ic5engine.jar for/Main$Simulation
Started...
AnyLogic simulation engine has started [$Id: Engine.java,v 1.134 2004/12/03 08:4
9:39 basil Exp $]
java.lang.OutOfMemoryError: Java heap space
setting error: Exception during root.courseQueue-1556 startup: java.lang.OutOfMe
moryError: Java heap space
thread = Thread[Model Creation Thread,5,main]
engine = com.xj.anylogic.Engine@1099257
Exception in thread "Image Fetcher 0" java.lang.OutOfMemoryError: Java heap spac
e
java.lang.OutOfMemoryError: Java heap space
setting error: Exception during startup: java.lang.OutOfMemoryError: Java heap s
pace
thread = Thread[Model Creation Thread,5,main]
engine = com.xj.anylogic.Engine@1099257
java.lang.OutOfMemoryError: Java heap space
setting error: Exception in statechart 'root.courseExit-0.inputProcessor' entry
actions: java.lang.OutOfMemoryError: Java heap space
thread = Thread[AnyLogic main thread,5,main]
engine = com.xj.anylogic.Engine@1099257
java.lang.OutOfMemoryError: Java heap space
setting error: Exception in statechart 'root.courseDelay-0.inputProcessor' entry
actions: java.lang.OutOfMemoryError: Java heap space
thread = Thread[AnyLogic main thread,5,main]
engine = com.xj.anylogic.Engine@1099257
java.lang.OutOfMemoryError: Java heap space
setting error: Exception in statechart 'root.courseDelay-1.inputProcessor' entry
actions: java.lang.OutOfMemoryError: Java heap space
thread = Thread[AnyLogic main thread,5,main]Exception in thread "AWT-EventQueu
e-0"
java.lang.OutOfMemoryError: Java heap space
engine = com.xj.anylogic.Engine@1099257

Hi I am ancountering the same problem with the 'heap space'.
Is there any way I can find out what it is set to for my system? I dont believe its 32Mb and dont want to increase it randomly to too large a size if theres no need for it.
Thanks,
Bobby

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         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
         at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104)
         at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520)
         at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929)
         at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160)
         at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)
         at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)
         at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)
         at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
         at java.lang.Thread.run(Unknown Source)
    Caused by: java.lang.OutOfMemoryError: Java heap space
    Oct 19, 2006 4:11:35 PM org.apache.struts.action.RequestProcessor processException
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    I checked using downloading action example from struts1.2.6, even thats giving the same out of memory exception. Any how my application uses only 1.1. so Please give me some solution for this exception..

    Finally, the problem was :
        jstring str;
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            str =  env->NewStringUTF(cstr.GetBuffer(0));
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            env->DeleteLocalRef(counterUIName);
        }The "DeleteLocalRef(counterUIName);" should be made for each iteration.
    Thanks,
    Alex..

  • How to solve :  java.lang.OutOfMemoryError: Java heap space

    Dear all,
    Am using Jdeveloper 11.1.1.3 with weblogic10...
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    ####<28/11/2010 GMT 09:24:51 ص> <Error> <Kernel> <javaserver> <AdminServer> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-0000000000000029> <1290936291218> <BEA-000802> <ExecuteRequest failed
    java.lang.OutOfMemoryError: Java heap space.
    java.lang.OutOfMemoryError: Java heap space
    >
    ####<28/11/2010 GMT 09:25:04 ص> <Notice> <Diagnostics> <javaserver> <AdminServer> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002c> <1290936304406> <BEA-320068> <Watch 'UncheckedException' with severity 'Notice' on server 'AdminServer' has triggered at 28/11/2010 GMT 09:24:56 ص. Notification details:
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    WatchAlarmType: AutomaticReset
    WatchAlarmResetPeriod: 30000
    >
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    java.lang.OutOfMemoryError: Java heap space
    >
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    ####<28/11/2010 GMT 09:26:35 ص> <Alert> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936395303> <BEA-000396> <Server shutdown has been requested by <WLS Kernel>>
    ####<28/11/2010 GMT 09:26:35 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936395303> <BEA-000365> <Server state changed to FORCE_SUSPENDING>
    ####<28/11/2010 GMT 09:26:53 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936413632> <BEA-000365> <Server state changed to ADMIN>
    ####<28/11/2010 GMT 09:26:56 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-1> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936416757> <BEA-000365> <Server state changed to FORCE_SHUTTING_DOWN>
    ####<28/11/2010 GMT 09:26:59 ص> <Notice> <Server> <javaserver> <AdminServer> <DynamicListenThread[Default[1]]> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-0000000000000035> <1290936419289> <BEA-002607> <Channel "Default[1]" listening on 127.0.0.1:7001 was shutdown.>
    ####<28/11/2010 GMT 09:27:07 ص> <Notice> <WebLogicServer> <javaserver> <AdminServer> <Thread-41> <<WLS Kernel>> <> <3e9ac2aaa3059905:3bfb8868:12c91bef422:-8000-000000000000002f> <1290936427508> <BEA-000378> <Server failed to shutdown within the configured timeout of 30 seconds. The server process will exit now.>
    i searched the net and it seems that i should increase the java heap size , how can i do that... I have a server with 4G Ram ..
    Regards,
    Lama
    Edited by: Delta on Nov 28, 2010 1:36 AM

    My frien google tells me that you use
    >
    Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
    This can have two reasons:
    * Your Java application has a memory leak. There are tools like YourKit Java Profiler that help you to identify such leaks.
    * Your Java application really needs a lot of memory (more than 128 MB by default!). In this case the Java heap size can be increased using the following runtime parameters:
    java -Xms<initial heap size> -Xmx<maximum heap size>
    >
    Timo

  • Getting java.lang.outofmemoryerror: Java heap space error

    I am using coldfusion 8. I frequently get the error 'java.lang.outofmemoryerror: Java heap space'. Can anyone help me?
    Error Details :
    500
    Root cause:
    java.lang.outofmemoryerror: Java heap space
    javax.servlet.servletException: Root Cause:
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    Regards,
    Satheesh.

    Well... what does the error message tell you is wrong?  You're running out of memory.  I presume you understand how computer memory works, if not specifically how Java memory allocation works.  So... you have x amount of memory, and you're trying to use >x amount of memory.  You can't do that.  There are two approaches to dealing with a problem like this:
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  • How to solve this ERROR  --java.lang.OutOfMemoryError: Java heap space

    I am Trying to read one TEXT file line by line. file size is approx. 7 MB or it contain approx. 35000 line of text.
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    give me answer please.............

    Are you able to post the code you use to read the file? Initially, I'd guess that you're stuck in a loop. Make sure you're getting out of all your loops. You can do this with breakpoints in your IDE's debugger, or by putting a println right after the loop.
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  • Server SSLSocket + java.lang.OutOfMemoryError: Java heap space

    Hi guys,
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  • BPEL 10.1.3.x deployment error: java.lang.OutOfMemoryError: Java heap spac

    I am using IBPELDomainHandle.deploySuitcase() API to deploy a bpel process. Each time, I got ServerException with the following error message: java.lang.OutOfMemoryError: Java heap spac
    What configurations should I perform to the BPEL server in order to get rid of the outofmemeory error?
    BTW: I was able to deploy the same bpel process by uploading the jar file to $OH/bpel/domains/default/deploy directory.
    Thanks,
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    Hi Qian,
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  • How do I stop "Exception in thread "main" java.lang.OutOfMemoryError.java heap space

    I'm trying to rebuild my iPhone app, with hires graphics etc, using CS6 Flash Pro. However, I get this now,
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    The build now completes. Java, or something, was very confused about finding that file called 1024x1024.png in the build list, and would not do it.
    Take it out of icons, built fine. Put it in the icons directory, and crash...
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    I don't know what the problem is with what Java is seeing, but this fixes it it seems.
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