[ http://jira.jboss.com/jira/browse/JBAS-219?page=comments#action_12311142 ] Bill Burke commented on JBAS-219: ---------------------------------
Logged In: YES user_id=176497 I hope this isn't a braindead answer, but have you tried increasing the heap size? I think the default entity cache size is very large and you may be hitting the default heap maz of 64Meg. -Xmx512M is the java switch to increase heap. > Out-of-memory Exception > ----------------------- > > Key: JBAS-219 > URL: http://jira.jboss.com/jira/browse/JBAS-219 > Project: JBoss Application Server > Type: Bug > Reporter: SourceForge User > Assignee: Scott M Stark > > > SourceForge Submitter: jsimone . > OS: WinXP Pro > JDK ver: 1.3.1_04-b02 > This occurs in Both 3.0.0 final and 3.0.1RC1. Each > iteration creates 10 CMP 2.0 entity beans and returns. > So we get the memory exception after creating about > 14,510 entities. > Below is the relevant client code and its result: > int totalPasses = 10000; > for (int pass=1; pass <= totalPasses; pass++) { > // Create a bunch of sample data using the event > manager interface ... > messageBox("CREATE SAMPLE > EVENTS", "Pass "+pass+" of "+totalPasses, " "); > eventIds = eventManager.createSampleEvents(10); > } > [java] ------------------------------------------------------ > [java] --- CREATE SAMPLE EVENTS > [java] --- Pass 1451 of 10000 > [java] --- Current Time: Sun Jul 28 18:14:18 EDT 2002 > [java] ------------------------------------------------------ > [java] java.rmi.ServerException: RemoteException > occurred in server thread; nested exception is: > [java] java.rmi.ServerException: null; nested exception > is: > [java] java.lang.OutOfMemoryError > [java] Embedded Exception > [java] null; nested exception is: > [java] java.lang.OutOfMemoryError; nested exception is: > [java] javax.ejb.TransactionRolledbackLocalException: > null; nested exception is: > [java] java.lang.OutOfMemoryError > [java] Embedded Exception > [java] null; nested exception is: > [java] java.lang.OutOfMemoryError > [java] java.rmi.ServerException: null; nested exception > is: > [java] java.lang.OutOfMemoryError > [java] Embedded Exception > [java] null; nested exception is: > [java] java.lang.OutOfMemoryError; nested exception is: > [java] javax.ejb.TransactionRolledbackLocalException: > null; nested exception is: > [java] java.lang.OutOfMemoryError > [java] Embedded Exception > [java] null; nested exception is: > [java] java.lang.OutOfMemoryError > [java] javax.ejb.TransactionRolledbackLocalException: > null; nested exception is: > [java] java.lang.OutOfMemoryError > [java] Embedded Exception > [java] null; nested exception is: > [java] java.lang.OutOfMemoryError > [java] at > sun.rmi.transport.StreamRemoteCall.exceptionReceived > FromServer(StreamRemoteCall.java:240) > [java] at > sun.rmi.transport.StreamRemoteCall.executeCall > (StreamRemoteCall.java:215) > [java] at sun.rmi.server.UnicastRef.invoke > (UnicastRef.java:117) > [java] at > org.jboss.invocation.jrmp.server.JRMPInvoker_Stub.invok > e(Unknown Source) > [java] at > org.jboss.invocation.jrmp.interfaces.JRMPInvokerProxy.i > nvoke(JRMPInvokerProxy.java:128) > [java] at org.jboss.invocation.InvokerInterceptor.invoke > (InvokerInterceptor.java:108) > [java] at org.jboss.proxy.TransactionInterceptor.invoke > (TransactionInterceptor.java:73) > [java] at org.jboss.proxy.SecurityInterceptor.invoke > (SecurityInterceptor.java:76) > [java] at > org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke > (StatelessSessionInterceptor.java:111) > [java] at org.jboss.proxy.ClientContainer.invoke > (ClientContainer.java:76) > [java] at $Proxy1.createSampleEvents(Unknown Source) > [java] at com.highnotes.ebu.client.test.Stress_2.main > (Stress_2.java:91) > [java] > javax.transaction.TransactionRolledbackException: null; > nested exception is: > [java] java.lang.OutOfMemoryError > [java] java.lang.OutOfMemoryError > [java] <<no stack trace available>> > An additional point is that if the entities are immediately > removed after creation, NO memory exception occurs. > In fact, I have had this test case running for almost 36 > hours straight with no signs of distress. > Below is the relevant code from the client and its result: > int totalPasses = 10000; > for (int pass=1; pass <= totalPasses; pass++) { > // Create a bunch of sample data using the event > manager interface ... > messageBox("CREATE SAMPLE > EVENTS", "Pass "+pass+" of "+totalPasses, " "); > eventIds = eventManager.createSampleEvents(10); > Iterator iter = eventIds.iterator(); > while (iter.hasNext()) { > eventManager.removeEvent((String) iter.next()); > } > } > [java] ------------------------------------------------------ > [java] --- TEST COMPLETE > [java] --- Pass 10000 of 10000, Total elapsed time: 0 > days 0 hrs 26 mins 32 secs > [java] --- Current Time: Sun Jul 28 18:53:08 EDT 2002 > [java] ------------------------------------------------------ > The session facade has "RequiresNew" as the > transaction attribute and each of the entity bean > methods has "Required". > My expectation is that when the client invokes: > eventIds = eventManager.createSampleEvents(10); > that the createSampleEvents method of the > eventManager Session bean WILL create a new > transaction. Then, that 10 entity beans will be created > under that transaction. Finally, when the > createSampleEvents method returns to the client the > transaction will be complete and a commit will be > performed for the 10 enities created. > I don't see any evidence of this happening. > Shouldn't I be seeing SQL COMMITS in the server.log? > See ref link : > http://www.jboss.org/forums/thread.jsp? > forum=46&thread=18548 -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://jira.jboss.com/jira/secure/Administrators.jspa - If you want more information on JIRA, or have a bug to report see: http://www.atlassian.com/software/jira ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. 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