error code 400 http

Error logging in the server is similar to this: 124.65.133.242––[27/oct/2014:14:30:51 +0800] "-" 400 0 "-" "-"124.65.133.242––[27/oct/2014:14:31:45 +0800] "-" 400 0 "-" "-"124.65.133.242––[27/oct/2014:14:31:45 +0800] "-" 400 0 "-" "-"124.65.133.242–

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

Introduction to the problem Whenever an HTTP error code is encountered that is 400, a request initiated on behalf of the client does not conform to some of the server's restrictions on the request, or there is a certain error in the request itself.

Some of the common status codes are:200-Server successfully returned to Web page404-The requested page does not exist503-Service Not availableDetailed decomposition:1XX (Temporary response)A status code that represents a temporary response and

HTTP 400-invalid requestHTTP 401.1-unauthorized: Logon FailedHTTP 401.2-unauthorized: logon fails due to server configuration problemsHTTP 401.3-ACL prohibit Resource AccessHTTP 401.4-unauthorized: Authorization denied by filterHTTP

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

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