i get this exception when i look up for a Home
Object

javax.naming.CommunicationException. Root exception is
java.io.InvalidClassException: com.apil.tims.entity.absence.EmpLeaveDetails.EEmpLeaveDe: stream classdesc serialVersionUID=8979968421414338848 local class serialVersionUID=45
at java.io.ObjectStreamClass.validateLocalClass(ObjectStreamClass.java(Compiled Code)) at java.io.ObjectStreamClass.setClass(ObjectStreamClass.java(Compiled Code))
at java.io.ObjectInputStream.inputClassDescriptor(ObjectInputStream.java(Compiled Code
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.inputClassFields(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.util.HashMap.readObject(HashMap.java(Compiled Code))
at java.lang.reflect.Method.invoke(Native Method)
at java.io.ObjectInputStream.invokeObjectReader(ObjectInputStream.java(Compiled Code)) at java.io.ObjectInputStream.inputObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.inputClassFields(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at org.jboss.proxy.ClientContainer.readExternal(ClientContainer.java(Compiled Code))
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.inputClassFields(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.defaultReadObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.inputObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.io.ObjectInputStream.readObject(ObjectInputStream.java(Compiled Code))
at java.rmi.MarshalledObject.get(MarshalledObject.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java(Compiled Code))
at javax.naming.InitialContext.lookup(InitialContext.java(Compiled Code))

What does this mean