principal argument cannot be null
具體報錯信息如下： 代碼： SimpleAuthenticationInfo info = new SimpleAuthenticationInfo(userInfo, password, getName()); 創建Shiro 存儲主體（Subject）身份認證信息發生的報錯，於是點進源碼發現: 就是這拋出的異常 後檢查自己代碼發現，在給userinfo對象賦值時，給成了null導致，shiro
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相關文章
- 1. leaseEndDate: java.sql.Date cannot be assigned from null
- 2. React Native Native module cannot be null!
- 3. Connection cannot be null when 'hibernate.dialect'
- 4. java.lang.IllegalArgumentException: node to traverse cannot be null!
- 5. node to traverse cannot be null!
- 6. 【報錯】MySQLIntegrityConstraintViolationException:Column cannot be null
- 7. Cannot find argument 'Reset Handler' 和 Cannot find argument'_____vector'
- 8. Error RZ3007: Targeted tag name cannot be null or whitespace
- 9. java.lang.IllegalArgumentException: Wildcard string cannot be null or empty.
- 10. Msg 15138 The database principal owns a schema in the database, and cannot be dropped.