The results of GET and PUT operations are returned as expected.
The results of the POST operation are returned as expected.
The request has been accepted for processing.
204 No Content
The results of the DELETE operation are returned as expected.
400 Bad Request
The server failed to process the request.
You must enter the username and password to access the requested page.
You are forbidden to access the page requested.
404 Not Found
The server could not find the requested page.
405 Method Not Allowed
You are not allowed to use the method specified in the request.
406 Not Acceptable
The response generated by the server cannot be accepted by the client.
407 Proxy Authentication Required
You must use the proxy server for authentication. Then the request can be processed.
408 Request Timeout
The request timed out.
The request cannot be processed due to a conflict.
500 Internal Server Error
The request is not completed because the service is abnormal.
501 Not Implemented
The request is not completed because the server does not support the requested function.
502 Bad Gateway
The request is not completed because the request is invalid.
503 Service Unavailable
The request is not completed because the system is out of service temporarily.
504 Gateway Timeout
Gateway times out.