public void changeInstanceState(String instanzname, boolean state) {
   Log.log(
       DispatcherImpl.class.getName(),
       "Aufruf changeInstanceState mit Instanz "
           + instanzname
           + " und Status "
           + state
           + " wird an ServerController weitergeleitet");
   Log.log(DispatcherImpl.class.getName(), "size of liveinstances: " + liveHESInstances.size());
   for (RemoteHESInstance instance : liveHESInstances) {
     if (instance.getHesInstanceName().equals(instanzname)) {
       Log.log(
           DispatcherImpl.class.getName(), "name of instance::: " + instance.getHesInstanceName());
       try {
         instance.getServerController().changeInstanceState(state);
       } catch (RemoteException e) {
         Log.log(
             DispatcherImpl.class.getName(),
             "changeInstanceState",
             "couldnt get ServerController");
       }
     }
   }
 }