Exception 強轉 BusinessException 不成功 java.lang.ClassCastException: java.lang.NullPointerException cannot be cast to com.dmsc.error.BusinessException at com.dmsc.conrtoller.UserConrtoller.handlerException(UserConrtoller.java:46) ~[classes/:na]
@ExceptionHandler(Exception.class)??
@ResponseStatus(HttpStatus.OK)
@ResponseBody
public Object handlerException(HttpServletRequest repuest,Exception ex){
BusinessException businessException = (BusinessException) ex;
CommonReyurnType type = new CommonReyurnType();
/* Map<String, Object> map? = new HashMap<>();?
map.put("errcode", businessException.getErrCode());
map.put("errmsg", businessException.getErrMsg());*/
type.setStatus("fail");
type.setData(ex);
return type;
}
2019-09-22
UserDo?userDo?=?userDoMapper.selectByPrimaryKey(id); if(userDo==null){ ????return?null; } UserPasswordDo?userPasswordDo?=?userPasswordDoMapper.selectByUserId(userDo.getId()); if?(userPasswordDo==null){ ????return?null; } return?convertFromDataobject(userDo,userPasswordDo);}2019-07-15
我也是這個問題
2019-06-05
同樣問題
2019-04-29
解決問題了么？
同樣這個問題
2019-04-27
傳參的時候沒傳ex，你看看ex是不是null