Problem in deploying EJBs (More than 390) in weblogic-BEA says JDK issue!!!

Our application had 390 EJBs before the current build. It was running fine on Weblogic 6.1-SP4 with JDK 1.3.1_08.

In the current build, 3 EJBs were introduced and the Weblogic server started giving deployment problems. We then came across the Weblogic Bug stating the magic Number of 390 and delegating it to a SUN Bug. But, contrary to the SUN bug which says of a OutofMemory issue, we were not getting any OutOfMemory error.

Then, just to test the 390 number, we cut downed on the number of EJBs reducing the number to 388, in a test environment. EJBs got deployed without problem. Then we added 3 EJBs (increasing the EJB count to 391), and Weblogic server started giving Deployment problem in a EJB which was one of the 388 that were running fine earlier.But, now also there was no OutOfMemory error. Then we removed one of the newly added EJBs to bring the EJB count to 390. The Weblogic deployed the EJBs without error(even the one which was giving problem when EJB count was 391).

So, 390 seems to be the number but, contrary to BEA problem ID: 035884 which delegates the problem to SUN Bug ID:4390238 (Incidentally SUN has closed this bug as Non-reproducable), we are not getting any OutOfMemory error.

My questions to the JAVA community are:

1)Is the problem really related to JDK or Weblogic?

2)If it's a problem with JDK, then what should be done to fix it?

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A deployment error generated is pasted below:

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java.lang.reflect.InvocationTargetException: weblogic.management.DistributedManagementException: Distributed Management [1 exceptions]

at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:559)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:376)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1557)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1525)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:468)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:209)

at $Proxy14.addDeployment(Unknown Source)

at weblogic.management.internal.DynamicMBeanImpl.updateDeployments(DynamicMBeanImpl.java:1545)

at weblogic.management.internal.DynamicMBeanImpl.setAttribute(DynamicMBeanImpl.java:908)

at weblogic.management.internal.DynamicMBeanImpl.setAttribute(DynamicMBeanImpl.java:847)

at weblogic.management.internal.ConfigurationMBeanImpl.setAttribute(ConfigurationMBeanImpl.java:310)

at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1358)

at com.sun.management.jmx.MBeanServerImpl.setAttribute(MBeanServerImpl.java:1333)

at weblogic.management.internal.MBeanProxy.setAttribute(MBeanProxy.java:322)

at weblogic.management.internal.MBeanProxy.invoke(MBeanProxy.java:204)

at $Proxy11.setTargets(Unknown Source)

at java.lang.reflect.Method.invoke(Native Method)

at weblogic.management.console.info.MBeanAttribute.doSet(MBeanAttribute.java:84)

at weblogic.management.console.info.MBeanReferenceAttribute.addToArrayAttribute(MBeanReferenceAttribute.java:254)

at weblogic.management.console.info.MBeanReferenceAttribute.doSet(MBeanReferenceAttribute.java:124)

at weblogic.management.console.actions.mbean.DoEditMBeanAction.perform(DoEditMBeanAction.java:135)

at weblogic.management.console.actions.internal.ActionServlet.doAction(ActionServlet.java:171)

at weblogic.management.console.actions.internal.ActionServlet.doPost(ActionServlet.java:85)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)

at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:262)

at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:198)

at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:2637)

at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2359)

at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:139)

at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:120)

Distributed update exception

- remote object: stellar:Location=primary-server,Name=primary-server,Type=ServerConfig

- remote server: weblogic.management.internal.RemoteMBeanServerImpl@1d5ebc

- actionName: addDeployment

- params: [Ljava.lang.Object;@5f97ae

- signature: [Ljava.lang.String;@5f28a6

Distributed update exception

- remote object: stellar:Location=primary-server,Name=primary-server,Type=ServerConfig

- remote server: weblogic.management.internal.RemoteMBeanServerImpl@1d5ebc

Unable to deploy EJB: STTaskPrivilegeLinkEntity from Entities.jar:

java.lang.ClassNotFoundException: Class bytes found but defineClass() failed with java.lang.ClassFormatError: com/c4/stellar/server/ejbs/entities/STTaskPrivilegeLinkEntity_apfxaw__WebLogic_CMP_RDBMS (Illegal Method name "Exception in 'findBySTTaskEntity_3v8zjr__WebLogic_CMP_RDBMS_taskPrivilegeLinkEntity__WL_' while usi") for com.c4.stellar.server.ejbs.entities.STTaskPrivilegeLinkEntity_apfxaw__WebLogic_CMP_RDBMS

at weblogic.utils.classloaders.GenericClassLoader.findClass(GenericClassLoader.java:165)

at java.lang.ClassLoader.loadClass(ClassLoader.java:294)

at java.lang.ClassLoader.loadClass(ClassLoader.java:250)

at weblogic.ejb20.deployer.BeanInfoImpl.loadClass(BeanInfoImpl.java:307)

at weblogic.ejb20.deployer.EntityBeanInfoImpl.getGeneratedBeanClass(EntityBeanInfoImpl.java:362)

at weblogic.ejb20.manager.BaseEntityManager.setup(BaseEntityManager.java:114)

at weblogic.ejb20.manager.DBManager.setup(DBManager.java:123)

at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.deploy(ClientDrivenBeanInfoImpl.java:817)

at weblogic.ejb20.deployer.Deployer.deployDescriptor(Deployer.java:1299)

at weblogic.ejb20.deployer.Deployer.deploy(Deployer.java:1005)

at weblogic.j2ee.EJBComponent.deploy(EJBComponent.java:33)

at weblogic.j2ee.Application.addComponent(Application.java:174)

at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:117)

at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:364)

at weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:150)

at java.lang.reflect.Method.invoke(Native Method)

at weblogic.management.internal.DynamicMBeanImpl.invokeLocally(DynamicMBeanImpl.java:636)

at weblogic.management.internal.DynamicMBeanImpl.invoke(DynamicMBeanImpl.java:621)

at weblogic.management.internal.ConfigurationMBeanImpl.invoke(ConfigurationMBeanImpl.java:374)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1557)

at com.sun.management.jmx.MBeanServerImpl.invoke(MBeanServerImpl.java:1525)

at weblogic.management.internal.ConfigurationMBeanImpl.updateConfigMBeans(ConfigurationMBeanImpl.java:507)