Help me please with java.lang.outofmemoryerror

For anyone who considers themselves a java expert....could you please be of assistance? I have been chatting at www.bodyforlife.com for several weeks now and all the sudden I can't get in. I do know that other people are still able to get in as well. When I try to connect applet initializes and then says applet started when I try to enter then nothing happens. My java console says java.lang.outofmemoryerror. I have Windows 2000 and am running a Mcaffee firewall. Does anyone have any idea why I all the sudden can not get into this chat room? I have everything enabled that I know of. Any help would be much appreciated. Thanks.

you need to make periodic writes to persistent storage. This is a common scalability issue. At some point you will always run out of memory.
Increasing usable memory will not necessarily fix your problem. Maximum virtual memory is around 2GB on most Windows systems. If your entries take up more than "4 bytes" each, then you will never have enough memory.

Similar Messages

XML Publisher report failing with java.lang.outofmemoryerror.

Hi,
We have developed a custom Oracle report that produces an XML output file that is about 13M in size (about 18K rows from the database). When running report as concurrent request, post processing fails with java.lang.outofmemoryerror. The failure occurs when specifying output format as Excel, RTF or HTML. However, the process completes successfully when specifying output format as PDF. We have also noticed that Excel, RTF and HTML will complete successfully if the XML data file is smaller (around 3M).
Is anyone aware of a restriction on the size of the XML data file when specifying output formats Excel, RTF or HTML? We have tried setting temp directory but that has not helped.
Thanks.

Hi
I found this at metalink [Note:390968.1].. hope it helps =)
Symptoms: When attempting to run an XML Publisher concurrent program the following error occurs:
ERROR: Warning!!! Got out of memory exception, retrying with scalable option..
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
Oracle.apps.xdo.oa.cp.JCP4XDODataEngine
Program exited with status 1
Solution: To implement the solution, please execute the following steps:
1. Login select the responsibility: System Administrator.
2. Navigate to Concurrent > Program > Define.
3. Query for concurrent program that is receiving the error.
4. In the 'Options' field please enter -Xmx512M.
5. Save the change and retest the issue.
6. If the report still fails with the option set to -Xmx512M change the value to -Xmx1024M, save and try again
7. Migrate the solution as appropriate to other environments.

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

J2EE engine restart with java.lang.OutOfMemoryError Java heap space

Hi
I hope someone can help me, I have an error on my J2EE engine.
My portal restarts only when I click on User - Administration - Identity Management.
Here is the log error.
Exception id: [000000000000005B0000001C0000098800045ACD637E87AB]#
#1.5^H#0000000000000059000000690000098800045ACD6EF06673#1225738282886#com.sap.engine.frame.Environment##com.sap.engine.frame.
Environment#J2EE_GUEST#0##host_SID_4130050#J2EE_ADMIN#40cf7230a9d811dda9f9000000000000#SAPEngine_Application_Thread[impl:3
]_13##0#0#Error#1#/System/Server/Critical#Plain###FATAL: Caught OutOfMemoryError! Node will exit with exit code 666#
#1.5^H#00000000000000590000006A0000098800045ACD6EF06833#1225738282886#com.sap.engine.frame.Environment##com.sap.engine.frame.
Environment#J2EE_GUEST#0##host_SID_4130050#J2EE_ADMIN#40cf7230a9d811dda9f9000000000000#SAPEngine_Application_Thread[impl:3
]_13##0#0#Fatal#1#/System#Java###FATAL: Caught OutOfMemoryError! Node will exit with exit code 666
[EXCEPTION]
#1#java.lang.OutOfMemoryError: Java heap space
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        at com.sap.engine.services.deploy.server.ApplicationLoader.defineClassWithInterception(ApplicationLoader.java:168)
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        at com.sap.engine.frame.core.load.ResourceLoader.loadClass(ResourceLoader.java:127)
        at com.sap.engine.frame.core.load.ReferencedLoader.loadClass(ReferencedLoader.java:365)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:302)
        at com.sap.security.core.wd.assignusermapping.wdp.InternalAssignUserMappingComp.<init>(InternalAssignUserMappingComp.
java:173)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
        at com.sap.tc.webdynpro.progmodel.generation.ControllerHelper.createDelegate(ControllerHelper.java:74)
        at com.sap.tc.webdynpro.progmodel.generation.DelegatingComponent.<init>(DelegatingComponent.java:51)
        at com.sap.tc.webdynpro.clientserver.cal.ClientComponent.init(ClientComponent.java:382)
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        at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.createComponentInternal(ComponentUsage.java:149)
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        at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.createInstanceIfDemanded(ComponentUsage.java:728)
        at com.sap.tc.webdynpro.progmodel.components.ComponentUsage.getImplementingInterfaceViewInfo(ComponentUsage.java:403)
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        at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:694)
        at com.sap.tc.webdynpro.progmodel.view.ViewManager.bind(ViewManager.java:555)
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        at com.sap.tc.webdynpro.progmodel.view.ViewManager.getView(ViewManager.java:709)
Thanks for your help

pretty obvious to me "java.lang.OutOfMemoryError: Java heap space"
Read,
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/jsts/(Kernel)OOM
or
java.lang.OutOfMemoryError: Java heap space
those links should give you a fairly good idea on how to solve the issue.
Regards
Juan

Weblogic crashes with java.lang.OutOfMemoryError: getNewTla.

Hi,
We have a clustered Weblogic environment and a custom WebCenter portal application is deployed on it.
We are using JDev 11.1.1.5.0 and the Weblogic version we are using is 10.3.5.0
We are frequently getting below error on either cluster. Can anyone help please?
ExecuteRequest failed
java.lang.OutOfMemoryError: getNewTla.
java.lang.OutOfMemoryError: getNewTla
at java.util.HashMap.newKeyIterator(HashMap.java:1024)
at java.util.HashMap$KeySet.iterator(HashMap.java:1062)
at java.util.HashSet.iterator(HashSet.java:153)
at weblogic.cluster.messaging.internal.GroupImpl.getConfigInformation(GroupImpl.java:271)
at weblogic.cluster.messaging.internal.GroupManagerImpl.findOrCreateGroupMember(GroupManagerImpl.java:198)
at weblogic.cluster.messaging.internal.GroupManagerImpl.handleMessage(GroupManagerImpl.java:173)
at weblogic.cluster.messaging.internal.ConnectionImpl$1.run(ConnectionImpl.java:139)
at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:528)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Regards,
Kanchan

Hi Kanchan,
Few things you could do here is,
1. Check GC logs to check if Garbage collector selected is able to release un-referenced objects. Logs will give you hint about possible memory leak.
If you have not set debug GC logs then set it using -XX:+PrintGCDetails -XX:+PrintGCTimeStamps -XX:+PrintGCApplicationStoppedTime -XX:+PrintGC -Xloggc:/logs/server1_gclogs.txt
2. Would prefer to take heap dump on OOM and use any tool like jhat or MAT to analyse. It will help in deciding if you require any performance tuning at JVM level. sometime it happens that heap space allocated is tool low causing OOM.
For taking heap dump either set it as JAVA option - "*-XX:+HeapDumpOnOutOfMemoryError*"
or
using Sun tool "jmap"
$ jmap –heap:format=b <pid>
Thanks,
Ranjan

XML Publisher report ends in Warning with java.lang.OutOfMemoryError

Hi,
We are modifying the standard report Account Analysis Report (in Subledger Accounting) to create a custom report.
When run wide open, it is ending in Warning with the error java.lang.OutOfMemoryError in OPP Log.
We are on EBS 12.1.3. DB 11.2.0.3 and XML Publisher 5.6.3
We have set the below parameters in the data definition:
Use XML Publishers XSLT processor: True
Enable Scalable feature of XSLT processor: True
Enable XSLT Runtime optimization: True
Also we have added these to the Data template:
<property name="db_fetch_size" value="20" />
<property name="scalable_mode" value="on" />
On the concurrent program, we have this option set:
-ms1024m -mx2048m
Still, the program is ending in Warning and not producing output. Any pointers here?
We can also see that the Temporary Directory is not able to be set on the data definition. Why is this?
After setting the Temporary Directory from Administration page, we were able to set the temporary directory for this data definition, but that did not solve the iseue.

Glad you have sorted this - note that the fnd_concurrent_requests table has the fields pp_Start_date and pp_end_date which will show how long post processing is taking.
Good to a good idea to monitor this in relation to the setting you have made in the profile option Concurrent:OPP Timeout profile option though 3 hours should cover most things!!!!

Problem with java.lang.OutOfMemoryError

hi
i am developping a web application
i am using jfreechart in my jsf application to generate statistic diagrams
to update my diagrams i am calling the methode ChartUtilities.saveChartAsPNG(file1, chart, 400, 300, null) every 10 seconds
my application become more and more slow and the cpnsommatio of memory is more and more important until getting this exception:
javax.faces.el.EvaluationException: java.lang.OutOfMemoryError: Java heap space
     at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
     at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
     at javax.faces.component.UICommand.broadcast(UICommand.java:387)
     at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
     at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
     at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
     at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
     at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
     at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
     at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at TimeoutFilter.doFilter(TimeoutFilter.java:64)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177)
     at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267)
     at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380)
     at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:845)
     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
     at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.OutOfMemoryError: Java heap space
     at java.awt.image.DataBufferInt.<init>(Unknown Source)
     at java.awt.image.Raster.createPackedRaster(Unknown Source)
     at java.awt.image.DirectColorModel.createCompatibleWritableRaster(Unknown Source)
     at java.awt.image.BufferedImage.<init>(Unknown Source)
     at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1407)
     at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1389)
     at org.jfree.chart.ChartUtilities.writeChartAsPNG(ChartUtilities.java:183)
     at org.jfree.chart.ChartUtilities.saveChartAsPNG(ChartUtilities.java:320)
     at SWIMLogStatistiques.generateChartMethod(SWIMLogStatistiques.java:98)
     at SWIMmoduleStatistiques.generateChartMethod(SWIMmoduleStatistiques.java:39)
     at ListModules.mesServicesAttributs(ListModules.java:199)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at org.apache.el.parser.AstValue.invoke(AstValue.java:172)
     at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
     at org.apache.jasper.el.JspMethodExpression.invoke(JspMethodExpression.java:68)
     at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
     at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
     at javax.faces.component.UICommand.broadcast(UICommand.java:387)
     at org.ajax4jsf.component.AjaxActionComponent.broadcast(AjaxActionComponent.java:55)
     at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321)
     at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296)
     at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253)
     at org.ajax4jsf.component.AjaxViewRoot.processDecodes(AjaxViewRoot.java:409)
     at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78)
     at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
after doing some searches, i found that the solution is to change the memory allocated for the JVM but in my case, the memory consommed by my application is increasing along with time.
i think that the problem is with:*ChartUtilities.saveChartAsPNG(file1, chart, 400, 300, null);*:does this instruction consume a lot of memory and how can i resolve thos problem?

riadhhwajdii wrote:
i am using jfreechart in my jsf application to generate statistic diagrams
to update my diagrams i am calling the methode ChartUtilities.saveChartAsPNG(file1, chart, 400, 300, null) every 10 seconds
my application become more and more slow and the cpnsommatio of memory is more and more important until getting this exception:This bit (slowing down over several cycles of the code)..and this bit:
after doing some searches, i found that the solution is to change the memory allocated for the JVM but in my case, the memory consommed by my application is increasing along with time.(increasing memory simply delays the exception), are usually a pointer that you have a memory leak somewhere.
i think that the problem is with:*ChartUtilities.saveChartAsPNG(file1, chart, 400, 300, null);*:does this instruction consume a lot of memory and how can i resolve thos problem?Take some heap dumps (especially when the out of memory occurs) and stick them in a memory analyser. Just because the exception is being thrown during saveChartAsPNG() does not mean that's the culprit. All that means is it was the final straw.

Dbca errors out with java.lang.OutOfMemoryError: Java heap space

hi gurus
I am trying to use DBCA to create a 10.2.0.4 database on a HP platform.DBCA hangs at the step 6 and following message can be seen in the
trace.log:
java.lang.OutOfMemoryError: Java heap space
I googled and modified the DBCA scripts content from
# Run DBCA
$JRE_DIR/bin/java -Dsun.java2d.font.DisableAlgorithmicStyles=true -DORACLE_HOME=$OH -DDISPLAY=$DISPLAY -DJDBC_PROTOCOL=thin -mx128m
-classpath $CLASSPATH oracle.sysman.assistants.dbca.Dbca $ARGUMENTS
to
# Run DBCA
$JRE_DIR/bin/java -Dsun.java2d.font.DisableAlgorithmicStyles=true -DORACLE_HOME=$OH -DDISPLAY=$DISPLAY -DJDBC_PROTOCOL=thin -mx256m
-classpath $CLASSPATH oracle.sysman.assistants.dbca.Dbca $ARGUMENTS
and rerun the DBCA and the problem still there.
How to solve this problem?
Thanks !
Edited by: KevinMao on Mar 31, 2010 2:39 AM
Edited by: KevinMao on Mar 31, 2010 2:42 AM

hi gurus
The problem has sovled.I supplyed the wrong file for the rawfile.conf,everything was fine after I provided the corrent one.
Thanks for your time.

Two versions of code, one compile failure with java.lang.OutOfMemoryError

I Have two cvs versions of one package. The differences between the two are minor, and I'm only trying to make the root version look like the latest branch. When I compile the branch, which has more code, things are fine. When I comple the root version I get
java.lang.OutOfMemoryErrorSInce I can compile one version, it is clearly not the case that I lack RAM or something like that. What might the problem be? Thanks.
Ken

I'm compiling and I'm doing it with ant. As I said,
it works fine with a slightly updated version of the
Java package I have, but has this error while doing
the same compile on the cvs root version of the
package. I'm just trying to prepare for mergning the
new code but can't compile the basic version of the
package.Then, as already stated, the difference between the two versions is enough to cross the threshold of heap memory available to the VM that's running the compiler. Ant lets you provide VM options to an externally invoked VM. See its docs for how. If you're using fork="false", then just change or add -Xmx in ant.bat or ant.sh.

OLM on content server with ias (10.1.3) java.lang.OutOfMemoryError

Dears,
we have set up OLM on content server with ias (10.1.3)
I'm Facing the following error when uploading 100 M learning material although i have changed the server properties of OC4J java heap size to 1024 - 2048 and maxpermsize to 1024
JSP Error:
Request URI:/OA_HTML/OA.jsp
Exception:
java.lang.OutOfMemoryError
Thanks,
Regards.

PLease refer Husain comments below
"Please see these docs.
OLM Content Import Erroring with java.lang.outofmemoryerror for Large Files [ID 368479.1]
When Importing And/Or Uploading Large Upk-Type Files Fail to Unzip [ID 735653.1]
Out Of Memory Errors While Uploading Large Content [ID 1130960.1]
Utilizing Content Servers with Oracle Learning Management [ID 374677.1]
Thanks,
Hussein"
apart from the above what I would normally is, while zipping the file I would exclude heavy content file and upload the file.
after uploading file, just go and paste excluded file in respective folder.
sathish

Exception in thread "main" java.lang.OutOfMemoryError

When I try to run this program, I get the error, the program is supposed to display 400 prime numbers. Is it because of the system I am running it on?
System: OSX, 256 Ram, 1.25GHz,

Hi,
Please refer to the following note in Metalink , This may solve your problem.
Note:315477.1 : XML Report Publisher Fails With java.lang.OutOfMemoryError
Kind Regards,
Mahi

[b]java.lang.OutOfMemoryError.......PLEASE HELP A.S.A.P.!!!!!![/b]

I am currently writing code for a database software using Joins, Collections, Vectors, etc. and when running the code I keep getting a java.lang.OutOfMemoryError. The thing is that I have a parser that parses through different XML files and Java files. It seems as though some of my collections need more space or something else doesn't have enough memory for the parser to pick up everything. It only happens after I add a new constrainable or selectable to the XML file and try and run Queries with that (at least that is where I think the problem is). At this point I have no clue as to what is going on. Could someone please help me out.
Thanks in Advance!

This is touching on the obvious but can you refer to your logs and find out where your program is running out of memory. I have a sneaky suspcion your're in a loop with an condition gone horribly wrong.
Based on your system specs, your collections should be able to handle your data.

Exception in thread "main" java.lang.OutOfMemoryError(please help me )

Hi All
here my java class trying to read a txt file(which is having size of 60MB).and putting each line into a Vector class. problem is ,upto certain number of line it is reading properly and putting into vector..after that it is giving error like Exception in thread "main" java.lang.OutOfMemoryError..what is the problem and how to rectify this one..anybody help me on this.
actual situation is one txt is there in that 80 lakhs of lines of content is there..java file trying to read each line and put it into vector or stringbuffer and split it into two lines like key=value and put it into hashmap object.then finally iam creating new file(.properties) and writing these hashmap data on it. if you want clearly..please look into below code..
package test.utf8; import java.io.*; import java.util.*; public class AssetUtils
//static StringBuffer stringbuffer = new StringBuffer();
public AssetUtils()
public static void main(String args[]) throws IOException
BufferedReader bufferedreader = new BufferedReader(new InputStreamReader(new FileInputStream("D:\\list.txt")));
Vector vector = new Vector(0x30D40, 50000);
System.out.println(vector.capacity());
Object obj = null;
int n=0;
System.out.println("Reading list:" + new Date(System.currentTimeMillis()));
do
String s = bufferedreader.readLine();
//System.out.println("line no: "+ ++n);
if(s == null)
break;
vector.add(s);
} while(true);
System.out.println("List Read complete:" + new Date(System.currentTimeMillis()));
String s1 = args[0];
System.out.println("S1: "+s1);
System.out.println(vector.capacity());
HashMap hashmap = new HashMap();
System.out.println( "Vector.Size..>>>>>>>>>>>>>>>>.."+vector.size());
for(int i = 0; i < vector.size(); i++)
System.out.println("i value:"+i);
String s2 = (String)vector.get(i);
//System.out.println("S2: "+s2);
if(s2.indexOf("/") != -1)
String s3 = s2.substring(s1.length(), s2.length());
//System.out.println("S3: "+s3);
if(s3.indexOf("/") != -1) {
String s4 = s3.substring(0, s3.lastIndexOf("/"));
//System.out.println("S4: "+s4);
String s6 = s3.substring(s3.lastIndexOf("/") + 1, s3.length());
//System.out.println("S6: "+s6);
StringBuffer stringbuffer=null;
stringbuffer = new StringBuffer();
String s8 = (String)hashmap.get(s4);
//System.out.println("S8: "+s8);
if(s8 != null) stringbuffer.append(s8 + "," + s6);
else
stringbuffer.append(s6);
hashmap.put(s4, stringbuffer.toString());
//stringbuffer.delete(0,stringbuffer.length());
stringbuffer=null;
System.out.println("Opening asset.properties:" + new Date(System.currentTimeMillis()));
File file = new File("D:\\asset.properties");
PrintWriter printwriter = new PrintWriter(new FileOutputStream(file));
String s5;
String s7;
for(Iterator iterator = hashmap.keySet().iterator(); iterator.hasNext(); printwriter.println(s5 + "=" + s7))
{ s5 = (String)iterator.next(); s7 = (String)hashmap.get(s5); } printwriter.close();
System.out.println("Closing asset.properties:" + new Date(System.currentTimeMillis()));

Theres a number of ways you can improve your memory usage:
1) Build you map as you read in your file.
2) Use StringBuffers in your map - do not use "asshaj" + "ashaskj" This is very memory intensive
If you still run out of memory try running the JVM using -Xms128m -Xmx512m or higher

PLEASE HELP?? java.lang.OutOfMemoryError: PermGen space

I've been searching the net for days and have tried changing the eclipse.ini per everyone's instructions...but still keep crashing after small changes.
java.lang.OutOfMemoryError: PermGen space
-startup plugins/org.eclipse.equinox.launcher_1.1.1.R36x_v20101122_1400.jar --launcher.library plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.2.R36x_v20101222 -product org.eclipse.epp.package.jee.product --launcher.defaultAction openFile -showsplash org.eclipse.platform -vm C:Program Files/Java/jre6/bin/clientjvm.dll -vmargs -Dosgi.requiredJavaVersion=1.6 -Declipse.p2.unsignedPolicy=allow -Xmn256m -Xms1024m -Xmx768m -Xss4m -XX:PermSize=256m -XX:MaxPermSize=256m -XX:CompileThreshold=5 -XX:MaxGCPauseMillis=10 -XX:MaxHeapFreeRatio=70 -XX:+CMSIncrementalPacing -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:+UseFastAccessorMethods -Dcom.sun.management.jmxremote
here's the .log
!SESSION 2011-11-15 14:27:03.125 -----------------------------------------------
eclipse.buildId=I20100608-0911
java.version=1.6.0_16
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Framework arguments: -v clean
Command-line arguments: -os win32 -ws win32 -arch x86 -v clean
!ENTRY org.eclipse.ui 2 0 2011-11-15 14:27:07.390
!MESSAGE Warnings while parsing the commands from the 'org.eclipse.ui.commands' and 'org.eclipse.ui.actionDefinitions' extension points.
!SUBENTRY 1 org.eclipse.ui 2 0 2011-11-15 14:27:07.390
!MESSAGE Commands should really have a category: plug-in='com.qnx.flashbuilder.multiplatform.qnx.ui', id='com.qnx.flashbuilder.multiplatform.qnx.ui.commands.OpenInfoCenter', categoryId='com.qnx.flashbuilder.multiplatform.qnx.ui.commands.category.help'
!ENTRY org.eclipse.jface 2 0 2011-11-15 14:27:15.218
!MESSAGE Keybinding conflicts occurred. They may interfere with normal accelerator operation.
!SUBENTRY 1 org.eclipse.jface 2 0 2011-11-15 14:27:15.218
!MESSAGE A conflict occurred for CTRL+G:
Binding(CTRL+G,
ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.search.declarations.in.wor kspace,Declaration in Workspace,
Search for declarations of the selected element in the workspace,
Category(org.eclipse.search.ui.category.search,Search,Search command category,true),
,,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
org.eclipse.ui.contexts.window,,,system)
Binding(CTRL+G,
ParameterizedCommand(Command(com.adobe.flexbuilder.as.editor.find.all.declarations.in.wor kspace,Find All Declarations In Workspace,
Category(com.adobe.flexbuilder.editorcore.navigation.category,Navigation,null,true),
LegacyHandlerWrapper(ActionHandler(action=com.adobe.flexbuilder.as.editor.ui.actions.FindAllDeclarationsAction@6bc947)),
,,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
com.adobe.flexide.editorcore.flexEditorScope,,,system)
Binding(CTRL+G,
ParameterizedCommand(Command(com.adobe.flexbuilder.as.editor.find.all.declarations.in.wor kspace,Find All Declarations In Workspace,
Category(com.adobe.flexbuilder.editorcore.navigation.category,Navigation,null,true),
LegacyHandlerWrapper(ActionHandler(action=com.adobe.flexbuilder.as.editor.ui.actions.FindAllDeclarationsAction@6bc947)),
,,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
com.adobe.flexbuilder.as.editor.context.packageexplorer,,,system)
!SUBENTRY 1 org.eclipse.jface 2 0 2011-11-15 14:27:15.218
!MESSAGE A conflict occurred for CTRL+SHIFT+G:
Binding(CTRL+SHIFT+G,
ParameterizedCommand(Command(org.eclipse.jdt.ui.edit.text.java.search.references.in.works pace,References in Workspace,
Search for references to the selected element in the workspace,
Category(org.eclipse.search.ui.category.search,Search,Search command category,true),
,,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
org.eclipse.ui.contexts.window,,,system)
Binding(CTRL+SHIFT+G,
ParameterizedCommand(Command(com.adobe.flexbuilder.as.editor.find.all.references.in.works pace,Find All References In Workspace,
Category(com.adobe.flexbuilder.editorcore.navigation.category,Navigation,null,true),
LegacyHandlerWrapper(ActionHandler(action=com.adobe.flexbuilder.as.editor.ui.actions.FindAllReferencesAction@6b5488)),
,,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
com.adobe.flexide.editorcore.flexEditorScope,,,system)
Binding(CTRL+SHIFT+G,
ParameterizedCommand(Command(com.adobe.flexbuilder.as.editor.find.all.references.in.works pace,Find All References In Workspace,
Category(com.adobe.flexbuilder.editorcore.navigation.category,Navigation,null,true),
LegacyHandlerWrapper(ActionHandler(action=com.adobe.flexbuilder.as.editor.ui.actions.FindAllReferencesAction@6b5488)),
,,true),null),
org.eclipse.ui.defaultAcceleratorConfiguration,
com.adobe.flexbuilder.as.editor.context.packageexplorer,,,system)
!ENTRY org.eclipse.core.jobs 4 2 2011-11-15 14:28:01.375
!MESSAGE An internal error occurred during: "Building workspace".
!STACK 0
java.lang.OutOfMemoryError: PermGen space
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.defineClass(DefaultClassLoader.j ava:188)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.defineClass(ClasspathManager.java:58 0)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findClassImpl(ClasspathManager.java: 550)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClassImpl(ClasspathManager. java:481)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass_LockClassLoader(Class pathManager.java:469)
at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java :449)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoade r.java:216)
at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:393)
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:469)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:422)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:410)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.jav a:107)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:110)
at org.eclipse.core.internal.resources.Resource.accept(Resource.java:94)
at com.adobe.flexbuilder.project.compiler.internal.BuilderUtils.copyDependents(BuilderUtils. java:483)
at com.adobe.flexbuilder.project.compiler.internal.FlexProjectBuilder.build(FlexProjectBuild er.java:393)
at com.adobe.flexbuilder.project.compiler.internal.FlexIncrementalBuilder.build(FlexIncremen talBuilder.java:187)
at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:629)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:172)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:203)
at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:255)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:258)
at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:311)
at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:343)
at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:144)
at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:242)

Also, describe your project set up. Sometimes these things can happen if your workspace is not configured correctly (like two library projects that import each other for example).
And I assume you checked to make sure you aren't actually out of RAM?
*edit*
Also, you mention editing eclipse.ini, but I think you actually need FlashBuilder.ini in your FB install directory. Mine looks like this:
-nl
en_US
-startup
eclipse/plugins/org.eclipse.equinox.launcher_1.1.0.v20100507.jar
--launcher.library
eclipse/plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.1.R36x_v20100810
--launcher.defaultAction
openFile
-vmargs
-Xms256m
-Xmx512m
-XX:MaxPermSize=256m
-XX:PermSize=64m
-Dorg.eclipse.equinox.p2.reconciler.dropins.directory=eclipse/dropins
-Declipse.application=com.adobe.flexbuilder.standalone.FlashBuilderApplication
If you are doing something that's particularly memory intesnive, try changing:
-Xmx1024m
-XX:MaxPermSize=512m

Please help me! Error message : java.lang.OutOfMemoryError

Hello, I am a new learner on Java ME. I have done a simple shooting game in Java ME. I am using multiple threads on that and when I run the program in Sun Java Wireless Toolkit, the error message "java.lang.OutOfMemoryError" appear. May I know what is the cause of this problem? Is it because of too many threads running at the same time or ..? Any suggested solution on this? Thanks.

Hello,
I try to assign all class object as null, but the problem still there. My game has 3 stages. For example, after the first stage, I would like to clear the memory buffer like the heap memory, then only load the second stage. Otherwise, the memory may not enough when the stages increased. So, is there any other way to clear the buffer for garbage collection?
In my game, it has a menu. The menu has the option like "New Game", "Help", "Exit". Whenever the game is start, the menu will add-in another option - "Continue", which will allows user back to the game and continue it.
Everytime when I select "New Game", the game will start running, and when I press for menu, the game will pause automatically and then show the menu list. In this case, the game is still in the memory, but in paused state. If I choose "New Game" from the menu, it means it will restart a new game.
My problem is that when I restart a new game, the heap memory still keeping the previous game. How could I delete the previous game's memory, so that whenever the new game is selected, the heap memory that store previous game would be cleared and the memory buffer will always store the current game only?

Help me please with java.lang.outofmemoryerror

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