Add Java Exception Breakpoint 
 Select the Add Exception Breakpoint command [  ] to add a Java exception breakpoint.
 ] to add a Java exception breakpoint. 
In the resulting dialog: 
  -  In the Choose an Exception field, type a string that is contained in the name of the exception you want to add. You can use wildcards as needed
    ("* " for any string and "? " for any character). 
-  In the Matching types list , select the exception you want to add. 
-  Select Caught and Uncaught as needed to indicate on which exception type you want to suspend the program. 
The Add Java Exception Breakpoint Dialog.
 
Breakpoints
  Catching Java exceptions
  Adding breakpoints
  Removing breakpoints
  Launching a Java program 
  Running and debugging
  Breakpoints View
  Run Menu 
  Caught Exception Option
  Uncaught Exception Option