SSH：Expected positional parameter count: 1, actual parameters: [123] [from User where username = ?];
【背景】 在用idea苦戰了一週後，也沒配置好SSH的環境，後來還是選擇MyEclipse，真舒服~ 。立馬運行成功，誰料問題接踵而來，連綿不絕。@#￥！~ 在敲第一個小功能，進行AJAX異步效驗用戶名是否存在，結果又報錯了，這個「開頭」有點難啊。 【問題】 控制檯報錯信息： ERROR Dispatcher:38 - Exception occurred during processing
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相關文章
- 1. Too many parameters: expected 1, was given 2 Query: SELECT count(id) FROM `user` WHERE username = ?;
- 2. user is not mapped [from user where userName=? and password=?]; nested exception is org.hibernate.hq
- 3. [DEPRECATION] Encountered positional parameter near xxx Positional parameter are considered deprecat
- 4. cannot define positional parameter after any named parameters have been defined
- 5. Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1解決方案
- 6. java.lang.IllegalArgumentException: No positional parameters in query:
- 7. user is not mapped [from user where password='12']
- 8. 異常:Parameter 'username' not found. Available parameters are [arg1, arg0, param1, param2]
- 9. org.apache.ibatis.binding.BindingException: Parameter 'nickname' not found. Available parameters are
- 10. Mybatis錯誤：Parameter 'XXX' not found. Available parameters are [1, 0, param1, param2]