title: com.sun.jdi.InvocationException occurred invoking method
body: <p>I just want to create an object of class, but got this error when debugging. Can anybody tell me what the problem is? The location of this code is in some Spring(2.5) Service class. </p>
  
  <p>There is a similar problem: <a href="https://stackoverflow.com/questions/2702707/ojb-reference-descriptor-10-relationship-should-i-set-auto-retrieve-to-false/4123482#4123482">OJB Reference Descriptor 1:0 relationship? Should I set auto-retrieve to false?</a></p>
  
  <p>Thanks a lot~ </p>