Program: 73613
Project: 73613
Buggy source:
/** 
 * Create the controllers for nodes in this graph. In this class, controllers with FULL access are created. This is called by the constructor, so derived classes that override this must be careful not to reference local variables defined in the derived classes, because the derived classes will not have been fully constructed by the time this is called.
 */
protected void _createControllers(){
  Configuration _config=(Configuration)Configuration.configurations().iterator().next();
  String _alternateActorInstanceClassName=null;
  _attributeController=new AttributeController(this,AttributeController.FULL);
  _classDefinitionController=new ClassDefinitionController(this);
  if (_config != null) {
    StringParameter actorInteractionAddon;
    try {
      actorInteractionAddon=(StringParameter)_config.getAttribute("String_Node_Str",Parameter.class);
      if (actorInteractionAddon != null) {
        String actorInteractionAddonClassName=actorInteractionAddon.stringValue();
        Class actorInteractionAddonClass=Class.forName(actorInteractionAddonClassName);
        ActorInteractionAddon actorInterationAddon=(ActorInteractionAddon)actorInteractionAddonClass.newInstance();
        Method method2=actorInteractionAddonClass.getMethod("String_Node_Str",GraphController.class);
        _dbActorController=(ActorController)method2.invoke(actorInterationAddon,this);
      }
 else {
      }
    }
 catch (    Exception e) {
    }
  }
 else {
  }
  if (_config != null) {
    StringAttribute _alternateActorInstanceAttribute=(StringAttribute)_config.getAttribute("String_Node_Str");
    if (_alternateActorInstanceAttribute != null) {
      _alternateActorInstanceClassName=_alternateActorInstanceAttribute.getExpression();
    }
  }
  if (_alternateActorInstanceClassName == null) {
    _entityController=new ActorInstanceController(this);
  }
 else {
    try {
      Class _alternateActorInstanceClass=Class.forName(_alternateActorInstanceClassName);
      Class[] argsClass=new Class[]{diva.graph.GraphController.class};
      Object[] args=new Object[]{this};
      Constructor alternateActorInstanceConstructor=_alternateActorInstanceClass.getConstructor(argsClass);
      _entityController=(ActorController)alternateActorInstanceConstructor.newInstance(args);
    }
 catch (    Exception e) {
      System.out.println("String_Node_Str" + "String_Node_Str" + _alternateActorInstanceClassName + "String_Node_Str"+ "String_Node_Str"+ e.getMessage());
      e.printStackTrace();
    }
  }
  _entityPortController=new IOPortController(this,AttributeController.FULL);
  _portController=new ExternalIOPortController(this,AttributeController.FULL);
  _relationController=new RelationController(this);
  _linkController=new LinkController(this);
}

Fixed version (ground truth):
/** 
 * Create the controllers for nodes in this graph. In this class, controllers with FULL access are created. This is called by the constructor, so derived classes that override this must be careful not to reference local variables defined in the derived classes, because the derived classes will not have been fully constructed by the time this is called.
 */
protected void _createControllers(){
  Configuration _config=(Configuration)Configuration.configurations().iterator().next();
  String _alternateActorInstanceClassName=null;
  _attributeController=new AttributeController(this,AttributeController.FULL);
  _classDefinitionController=new ClassDefinitionController(this);
  if (_config != null) {
    StringParameter actorInteractionAddon;
    try {
      actorInteractionAddon=(StringParameter)_config.getAttribute("String_Node_Str",Parameter.class);
      if (actorInteractionAddon != null) {
        String actorInteractionAddonClassName=actorInteractionAddon.stringValue();
        Class actorInteractionAddonClass=Class.forName(actorInteractionAddonClassName);
        ActorInteractionAddon actorInterationAddon=(ActorInteractionAddon)actorInteractionAddonClass.newInstance();
        Method method2=actorInteractionAddonClass.getMethod("String_Node_Str",GraphController.class);
        _dbActorController=(ActorController)method2.invoke(actorInterationAddon,this);
      }
    }
 catch (    Exception e) {
    }
  }
  if (_config != null) {
    StringAttribute _alternateActorInstanceAttribute=(StringAttribute)_config.getAttribute("String_Node_Str");
    if (_alternateActorInstanceAttribute != null) {
      _alternateActorInstanceClassName=_alternateActorInstanceAttribute.getExpression();
    }
  }
  if (_alternateActorInstanceClassName == null) {
    _entityController=new ActorInstanceController(this);
  }
 else {
    try {
      Class _alternateActorInstanceClass=Class.forName(_alternateActorInstanceClassName);
      Class[] argsClass=new Class[]{diva.graph.GraphController.class};
      Object[] args=new Object[]{this};
      Constructor alternateActorInstanceConstructor=_alternateActorInstanceClass.getConstructor(argsClass);
      _entityController=(ActorController)alternateActorInstanceConstructor.newInstance(args);
    }
 catch (    Exception e) {
      System.out.println("String_Node_Str" + "String_Node_Str" + _alternateActorInstanceClassName + "String_Node_Str"+ "String_Node_Str"+ e.getMessage());
      e.printStackTrace();
    }
  }
  _entityPortController=new IOPortController(this,AttributeController.FULL);
  _portController=new ExternalIOPortController(this,AttributeController.FULL);
  _relationController=new RelationController(this);
  _linkController=new LinkController(this);
}