java.io.InvalidClassException: com.oracle.pitchfork.interfaces.LifecycleCallbackException; local class incompatible:

BUG:
java.io.InvalidClassException: com.oracle.pitchfork.interfaces.LifecycleCallbackException; local class incompatible:

FIX:
Define a serialVerionUID in your class:

private static final long serialVersionUID = 6529685098267757690L;