http response code 400 for url

400 Request Error: The server was unable to understand the request due to a malformed syntaxGeneral: This error should have many reasons, it is pointed out that because of the character set encoding cause 400, the main code: send the request to the

A recent project on the line encountered a scratching the bug, the development environment and test environment are normal, once to the production environment on the report "Network timeout", after careful analysis, the final positioning to the

The HTTP status Code (response code) is used to indicate whether the HTTP request has completed successfully. The HTTP response type is divided into five categories: message response, successful response, redirect, client error, server-side

201-206 indicates that the server successfully processed the status code of the request, which indicates that the Web page can be accessed normally.200 (success) The server has successfully processed the request. Typically, this indicates that the

201-206 indicates that the server successfully processed the requested status code, indicating that the Web page can be accessed normally. 200 (successful) the server has successfully processed the request.         Typically, this indicates that the

I. Request (Requests)Request:An application request is represented by a Yii\web\request object that provides information such as a request parameter (a translator note: Usually a get parameter or post parameter), HTTP headers, cookies, and so on. By

201-206 indicates that the server successfully processed the status code of the request, which indicates that the Web page can be accessed normally.200 (success) The server has successfully processed the request. Typically, this indicates that the

201-206 indicates that the server successfully processed the status code of the request, which indicates that the Web page can be accessed normally.200 (success) The server has successfully processed the request. Typically, this indicates that the

201-206 indicates that the server successfully processed the status code of the request, which indicates that the Web page can be accessed normally.200 (success) The server has successfully processed the request. Typically, this indicates that the

7.1 status code OverviewWhen a Web server responds to a request from a browser or another client program, its response is generally composed of the following parts: a status line, several response headers, a blank line, and content documentation.