objective-c - 做post請求時，服務端可以偵測到接收到兩個非空的字段，但是回傳了錯誤

Question

做post請求時，服務端可以偵測到接收到兩個非空的字段，但是回傳了錯誤分類： JAVA HTTP Status 500 - Request processing failed; nested exception is java.lang.NullPointerException type Exception report message Request processing failed ; nested exception is java.lang.NullPointerException description The server encountered an internal error that prevented it from fulfilling this request. exception o

Answer 1

空指針了，表示你服務端寫的有問題了。好好測測服務端，接受空白字段報錯了應該。