Errors after Upgrade to SP4 with Weblogic 6.1

[Vikram Pandey]

I am getting the following exception while strarting the weblogic,after upgrading to SP4.
There is a mismatch between the bean code and generated code.csBeans.NewCustomerConvHome . Please rerun ejbc on the bean code.The error was java.lang.NoSuchFieldException
at java.lang.Class.getField0(Native Method)
at java.lang.Class.getDeclaredField(Class.java:1108)
at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.setMDField(ClientDrivenBeanInfoImpl.java:651)
at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.setMethodDescriptors(ClientDrivenBeanInfoImpl.java:723)
at weblogic.ejb20.deployer.ClientDrivenBeanInfoImpl.deploy(ClientDrivenBeanInfoImpl.java:823)
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

[Chris Smith]

This is not really a servlet problem. It's an EJB problem. You probably want to ask in a more appropriate forum.