gistfile1.txt

           if (response.getType() == PacketImpl.EXCEPTION)
            {
               final HornetQExceptionMessage mem = (HornetQExceptionMessage) response;

               HornetQException e = mem.getException();

               Throwable cause = e.getCause();

               e.fillInStackTrace();

               // @Justin: I'm not sure if e.fillInStackTrace() would re-initialize the cause.. keep an eye on this
               if (cause != null)
               {
                  e.initCause(cause);
               }

               throw e;
            }