@Override
 public void addExceptionBreakpoint(ExceptionBreakpointCommandFactory factory) {
   for (RemoteDebugger d : allDebuggers()) {
     d.execute(factory.createAddCommand(d));
   }
 }
 @Override
 public void addExceptionBreakpoint(ExceptionBreakpointCommandFactory factory) {
   execute(factory.createAddCommand(this));
 }