Program: 95432
Project: 95432
Buggy source:
/** 
 * calls the method of the implementation class per reflection  {@inheritDoc}
 */
public Message execute(){
  AUTServer autServer=AUTServer.getInstance();
  autServer.setErrorComponent(null);
  final int oldMode=autServer.getMode();
  TestErrorEvent event=null;
  CAPTestResponseMessage response=new CAPTestResponseMessage();
  autServer.setMode(ChangeAUTModeMessage.TESTING);
  try {
    MessageCap messageCap=m_capTestMessage.getMessageCap();
    response.setMessageCap(messageCap);
    Object implClass=getImplClass(response);
    if (implClass == null) {
      return response;
    }
    MethodInvoker invoker=new MethodInvoker(messageCap);
    Object returnValue=invoker.invoke(implClass);
    response.setReturnValue((String)returnValue);
    if ("String_Node_Str".equals(System.getenv("String_Node_Str")) && messageCap != null && messageCap.getCi() != null && messageCap.getCi().getComponentClassName() != null && messageCap.getAction() != null && messageCap.getAction().getName() != null) {
      CAPLOG.debug(messageCap.getCi().getComponentClassName() + "String_Node_Str" + CompSystemI18n.getString(messageCap.getAction().getName()));
    }
  }
 catch (  NoSuchMethodException nsme) {
    LOG.error("String_Node_Str",nsme);
    event=EventFactory.createUnsupportedActionError();
  }
catch (  IllegalAccessException iae) {
    LOG.error("String_Node_Str",iae);
    event=EventFactory.createConfigErrorEvent();
  }
catch (  InvocationTargetException ite) {
    if (ite.getTargetException() instanceof EventSupportException) {
      EventSupportException e=(EventSupportException)ite.getTargetException();
      event=e.getEvent();
      if (LOG.isDebugEnabled()) {
        LOG.debug(e.getLocalizedMessage(),e);
      }
    }
 else     if (ite.getTargetException() instanceof ExecutionEvent) {
      ExecutionEvent e=(ExecutionEvent)ite.getTargetException();
      response.setState(e.getEvent());
      if (LOG.isDebugEnabled()) {
        LOG.debug(e.getLocalizedMessage(),e);
      }
    }
 else {
      event=EventFactory.createConfigErrorEvent();
      if (LOG.isErrorEnabled()) {
        LOG.error("String_Node_Str",ite);
        LOG.error("String_Node_Str",ite.getTargetException());
      }
    }
  }
catch (  IllegalArgumentException e) {
    LOG.error(e.getLocalizedMessage(),e);
  }
catch (  MethodParamException ex) {
    LOG.error(ex.getLocalizedMessage(),ex);
  }
 finally {
    autServer.setMode(oldMode);
  }
  if (event != null) {
    response.setTestErrorEvent(event);
  }
  return response;
}

Fixed version (ground truth):
/** 
 * calls the method of the implementation class per reflection  {@inheritDoc}
 */
public Message execute(){
  AUTServer autServer=AUTServer.getInstance();
  autServer.setErrorComponent(null);
  final int oldMode=autServer.getMode();
  TestErrorEvent event=null;
  CAPTestResponseMessage response=new CAPTestResponseMessage();
  autServer.setMode(ChangeAUTModeMessage.TESTING);
  try {
    MessageCap messageCap=m_capTestMessage.getMessageCap();
    response.setMessageCap(messageCap);
    Object implClass=getImplClass(response);
    if (implClass == null) {
      return response;
    }
    MethodInvoker invoker=new MethodInvoker(messageCap);
    Object returnValue=invoker.invoke(implClass);
    if (returnValue != null) {
      response.setReturnValue(String.valueOf(returnValue));
    }
    if ("String_Node_Str".equals(System.getenv("String_Node_Str")) && messageCap != null && messageCap.getCi() != null && messageCap.getCi().getComponentClassName() != null && messageCap.getAction() != null && messageCap.getAction().getName() != null) {
      CAPLOG.debug(messageCap.getCi().getComponentClassName() + "String_Node_Str" + CompSystemI18n.getString(messageCap.getAction().getName()));
    }
  }
 catch (  NoSuchMethodException nsme) {
    LOG.error("String_Node_Str",nsme);
    event=EventFactory.createUnsupportedActionError();
  }
catch (  IllegalAccessException iae) {
    LOG.error("String_Node_Str",iae);
    event=EventFactory.createConfigErrorEvent();
  }
catch (  InvocationTargetException ite) {
    if (ite.getTargetException() instanceof EventSupportException) {
      EventSupportException e=(EventSupportException)ite.getTargetException();
      event=e.getEvent();
      if (LOG.isDebugEnabled()) {
        LOG.debug(e.getLocalizedMessage(),e);
      }
    }
 else     if (ite.getTargetException() instanceof ExecutionEvent) {
      ExecutionEvent e=(ExecutionEvent)ite.getTargetException();
      response.setState(e.getEvent());
      if (LOG.isDebugEnabled()) {
        LOG.debug(e.getLocalizedMessage(),e);
      }
    }
 else {
      event=EventFactory.createConfigErrorEvent();
      if (LOG.isErrorEnabled()) {
        LOG.error("String_Node_Str",ite);
        LOG.error("String_Node_Str",ite.getTargetException());
      }
    }
  }
catch (  IllegalArgumentException e) {
    LOG.error(e.getLocalizedMessage(),e);
  }
catch (  MethodParamException ex) {
    LOG.error(ex.getLocalizedMessage(),ex);
  }
 finally {
    autServer.setMode(oldMode);
  }
  if (event != null) {
    response.setTestErrorEvent(event);
  }
  return response;
}