I have created a simple cmp , with 3 fields empId, empFirstname,empLastName.
Here empId is primary key with autoincrement.
When i enter Emp first name, last name using the create method,my cmp is working fine and i am able to create new row with autoincrement.
When i call setEmpFirstName() or serEmpLastName() methods from my client geeting an error given below
java.rmi.ServerException: RemoteException occurred in server thread; nested exception is:
[java] java.rmi.ServerException: RuntimeException; nested exception is:
[java] java.lang.IllegalArgumentException: Attempt to get lock ref with a null object
[java] at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:292)
[java] at sun.rmi.transport.Transport$1.run(Transport.java:148)
[java] at java.security.AccessController.doPrivileged(Native Method)
[java] at sun.rmi.transport.Transport.serviceCall(Transport.java:144)
[java] at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:460)
[java] at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:701)
[java] at java.lang.Thread.run(Thread.java:534) .....21
please tell me what is the exact problem vamsi
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