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Spring 400 error

org/ wiki/ List_ of_ HTTP_ status_ codes. 400 Bad Request The server cannot or will not process the request due to an apparent client error ( e. , malformed request syntax, too large size, invalid request. Whitelabel Error Page This application has no explicit mapping for / error, so you are seeing this as a fallback. Wed Apr 22 00: 33: There was an unexpected error ( type= Bad Request, status= 400). Validation failed. やりたいこと 例外が発生した場合は常にエラー情報をJSONで返したい。 例外の種類 によってステータスコードを分けたい。 例えば、 バリデーションエラーが発生した場合は 400、 その他は500を返す。 Spring MVCの本来の振る舞いは変更. change your return type to ResponseEntity< >, then you can use below for 400. With Spring Boot, I' m not entirely sure why this was necessary ( I got the / error fallback even though was defined on an. You can attempt to map the exception this way. This code will return a 400 status, but you can change the return the same way as is the link you posted @ ExceptionHandler BAD_ REQUEST). Spring MVC Validation HTTP Status 400 Bad Request Error. Asked on May 14,.

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    I am validating my spring form using annotation. public class Person {. private String username;. int productID is the problem. Your template variable, e. id, is not equal to your variable name, e. You should reconcile those two, either: int productID. I came across the same situation, and this happens when your parameter is present in the request with an empty value. That is, if your POST body contains " number= " ( with empty value), then Spring throws this exception. You must bind the Date when you submit a HTTP POST.

    Spring does not know that this is a Date, it sees it as a String. Add this: public void initBinder( WebDataBinder binder) { SimpleDateFormat sdf = new.