docs: protected void initFailedJobCommandFactory() {
      if (failedJobCommandFactory == null) {
        failedJobCommandFactory = new DefaultFailedJobCommandFactory();
      }
      if (postParseListeners == null) {
        postParseListeners = new ArrayList<BpmnParseListener>();
      }
      postParseListeners.add(new DefaultFailedJobParseListener());
  
    }