Unable to load a class specified in your ejb-jar.xml weblogic8.1

[Satyajeet Kadam]

i am new to ejb.
I am doing sample application from http://www.roseindia.net/struts/Struts-integration-with-ejb-2.shtml

i am using weblogic8.1 and jdk1.5.0_07.

My ejbc jar file gets crearted successfully

D:\ejb>jar cf city.jar demo1\*.class META-INF\*.xml
D:\ejb>java weblogic.ejbc city.jar city1.jar

<Jan 16, 2007 3:27:14 PM GMT+05:30> <Warning> <EJB> <BEA-010054> <EJB Deployment
: city has a class demo1.cityBean that is in the classpath. This class should on
ly be located in the ejb-jar file.>
<Jan 16, 2007 3:27:14 PM GMT+05:30> <Warning> <EJB> <BEA-010054> <EJB Deployment
: city has a class demo1.cityHome that is in the classpath. This class should on
ly be located in the ejb-jar file.>
<Jan 16, 2007 3:27:14 PM GMT+05:30> <Warning> <EJB> <BEA-010054> <EJB Deployment
: city has a class demo1.cityRemote that is in the classpath. This class should
only be located in the ejb-jar file.>
[B]ejbc successful.[/B]
 

When i try to upload this jar file i get following error

  
Exception:weblogic.management.ApplicationException: prepare failed for city1 Module: city1 Error: Exception preparing module: EJBModule(city1,status=NEW) Unable to deploy EJB: D:\ejb\city1.jar from city1.jar: weblogic.ejb20.deployer.DeploymentDescriptorException: Unable to load a class specified in your ejb-jar.xml: Class bytes found but defineClass()failed for: 'demo1.cityBean' at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(MBeanDeploymentInfoImpl.java:548) at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.<init>(MBeanDeploymentInfoImpl.java:232) at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1262) at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:477) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:2847) at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1534) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1188) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1031) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2634) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2584) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2506) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:833) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:542) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:500) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170) 
 
[Deployer:149033]preparing application city1 on myserver
[Deployer:149033]failed application city1 on myserver
[Deployer:149034]An exception occurred for task [Deployer:149026]Deploy application city1 on myserver.: Exception:weblogic.management.ApplicationException: prepare failed for city1 Module: city1 Error: Exception preparing module: EJBModule(city1,status=NEW) Unable to deploy EJB: D:\ejb\city1.jar from city1.jar: weblogic.ejb20.deployer.DeploymentDescriptorException: Unable to load a class specified in your ejb-jar.xml: Class bytes found but defineClass()failed for: 'demo1.cityBean' at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.initializeBeanInfos(MBeanDeploymentInfoImpl.java:548) at weblogic.ejb20.deployer.MBeanDeploymentInfoImpl.<init>(MBeanDeploymentInfoImpl.java:232) at weblogic.ejb20.deployer.EJBDeployer.prepare(EJBDeployer.java:1262) at weblogic.ejb20.deployer.EJBModule.prepare(EJBModule.java:477) at weblogic.j2ee.J2EEApplicationContainer.prepareModule(J2EEApplicationContainer.java:2847) at weblogic.j2ee.J2EEApplicationContainer.prepareModules(J2EEApplicationContainer.java:1534) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1188) at weblogic.j2ee.J2EEApplicationContainer.prepare(J2EEApplicationContainer.java:1031) at weblogic.management.deploy.slave.SlaveDeployer$ComponentActivateTask.prepareContainer(SlaveDeployer.java:2634) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.createContainer(SlaveDeployer.java:2584) at weblogic.management.deploy.slave.SlaveDeployer$ActivateTask.prepare(SlaveDeployer.java:2506) at weblogic.management.deploy.slave.SlaveDeployer.processPrepareTask(SlaveDeployer.java:833) at weblogic.management.deploy.slave.SlaveDeployer.prepareDelta(SlaveDeployer.java:542) at weblogic.management.deploy.slave.SlaveDeployer.prepareUpdate(SlaveDeployer.java:500) at weblogic.drs.internal.SlaveCallbackHandler$1.execute(SlaveCallbackHandler.java:25) at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:197) at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:170) .

PLease help me urgently
This ex is given on :http://www.roseindia.net/struts/Struts-integration-with-ejb-2.shtml

[Carol Enderlin]

I didn't look at all your errors, but these are not compatible:

i am using weblogic8.1 and jdk1.5.0_07.

See the Supported Configurations in the BEA documentation.

WebLogic 9.x versions added support for jdk 1.5 aka Java SE 5.