Program: 60187
Project: 60187
Buggy source:
/** 
 * Gets the actual response object.
 * @param context the context
 * @param clazz the clazz
 * @param tentative the tentative
 * @return the actual response object
 * @throws ClientletException the clientlet exception
 * @throws IllegalAccessException the illegal access exception
 * @throws InvocationTargetException the invocation target exception
 * @throws NoSuchMethodException the no such method exception
 */
private static ResponseObject getActualResponseObject(ClientletContext context,Class<? extends Object> clazz,Object tentative) throws ClientletException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {
  ClientletStageDelegate csd=new ClientletStageDelegate(context);
synchronized (STAGE_DELEGATE_MONITOR) {
    Stage.$appletDelegate.set(csd);
    Stage.$stages.setDefault();
    try {
      for (int level=0; level < 3; level++) {
        if (logger.isLoggable(Level.INFO)) {
          logger.info("String_Node_Str" + level + "String_Node_Str"+ clazz);
        }
        if (tentative instanceof Stage) {
          Stage stage=(Stage)tentative;
          csd.get$stage().setFromLiteral(stage);
          csd.initialize$();
          return new ResponseObject(csd.createComponent(),stage.get$title().get(),stage);
        }
 else         if ((tentative instanceof Scene) || (tentative instanceof Node)) {
          break;
        }
 else         if (tentative instanceof FXObject) {
          Method runMethod=clazz.getMethod(Entry.entryMethodName(),new Class[]{Sequence.class});
          if (runMethod == null) {
            throw new ClientletException("String_Node_Str");
          }
          Sequence<String> sequence=Sequences.emptySequence(String.class);
          tentative=runMethod.invoke(tentative,new Object[]{sequence});
          if (tentative == null) {
            tentative=new javax.swing.JPanel();
            break;
          }
          clazz=tentative.getClass();
        }
 else {
          break;
        }
      }
    }
  finally {
      Stage.$appletDelegate.set(null);
    }
  }
  return new ResponseObject(tentative,null,null);
}

Fixed version (ground truth):
/** 
 * Gets the actual response object.
 * @param context the context
 * @param clazz the clazz
 * @param tentative the tentative
 * @return the actual response object
 * @throws ClientletException the clientlet exception
 * @throws IllegalAccessException the illegal access exception
 * @throws InvocationTargetException the invocation target exception
 * @throws NoSuchMethodException the no such method exception
 */
private static ResponseObject getActualResponseObject(ClientletContext context,Class<? extends Object> clazz,Object tentative) throws ClientletException, IllegalAccessException, InvocationTargetException, NoSuchMethodException {
  ClientletStageDelegate csd=new ClientletStageDelegate(context);
synchronized (STAGE_DELEGATE_MONITOR) {
    try {
      for (int level=0; level < 3; level++) {
        if (logger.isLoggable(Level.INFO)) {
          logger.info("String_Node_Str" + level + "String_Node_Str"+ clazz);
        }
        if (tentative instanceof Stage) {
          Stage stage=(Stage)tentative;
          csd.get$stage().setFromLiteral(csd.$stage.get());
          csd.initialize$();
          return new ResponseObject(csd.createComponent(),stage.getTitle(),stage);
        }
 else         if ((tentative instanceof Scene) || (tentative instanceof Node)) {
          break;
        }
 else         if (tentative instanceof FXObject) {
          Method runMethod=clazz.getMethod(Entry.entryMethodName(),new Class[]{Sequence.class});
          if (runMethod == null) {
            throw new ClientletException("String_Node_Str");
          }
          Sequence<String> sequence=Sequences.emptySequence(String.class);
          tentative=runMethod.invoke(tentative,new Object[]{sequence});
          if (tentative == null) {
            tentative=new javax.swing.JPanel();
            break;
          }
          clazz=tentative.getClass();
        }
 else {
          break;
        }
      }
    }
  finally {
      csd.$stage.set(null);
    }
  }
  return new ResponseObject(tentative,null,null);
}