http 501 error code

introduce Your Web server does not understand or support the HTTP methods it finds in the HTTP data stream sent to it by the client, such as your browser or our Checkupdown robot. These methods are defined in the HTTP protocol as follows: options:

Introduction Your web server does not understand or support the HTTP method it finds in the HTTP data stream sent to a client (such as your browser or our checkupdown robot. The methods defined in HTTP are as follows: Options: Find the

The server will often appear in error, then in peacetime when the server error, how we are going to solve, today's small series on the simple said server 500 errors, 501 errors, 502 errors, 503 errors, 504 errors, 505 errors in some of the problems.

question: Ajax cross-domain access error 501 Run the following code to make an error 501 $.ajax ({ type: "POST", URL: "http://192.168.1.202/sensordata.php", contentType: ' Application/json; Charset=utf-8 ',

HTTP error Code table all HTTP status codes and their definitions.Code indication2XX success200 normal; The request is complete.201 Normal; Immediately after the POST command.202 normal; Accepted for processing, but processing is not yet complete.203

Reference Documentation: http://www.foreverpx.cn/2016/06/22/cross_content_type/ Problem: Run the following code to make an error 501 $.ajax ({ type: "POST", URL: "http://192.168.1.202/sensordata.php", contentType: '

HTTP Error Code Description:"100": continue"101": witching protocols"200": OK"201": created& Quot; 202 & quot;: accepted"203": Non-authoritative information"204": NO content"205": reset content"206": Partial content& Quot; 300 & quot;: Multiple

"100": continue"101": witching protocols"200": OK"201": created& Quot; 202 & quot;: accepted"203": Non-authoritative information"204": NO content"205": reset content"206": Partial content& Quot; 300 & quot;: Multiple Choices"301": moved permanently"3

HTTP 400-Invalid request HTTP 401.1-Unauthorized: Logon failed HTTP 401.2-Unauthorized: Server configuration issues cause logon failure HTTP 401.3-acl prohibit access to resources HTTP 401.4-Unauthorized: Authorization denied by filter HTTP

HTTP Error Code Description:"100": continue"101": witchingProtocols"200": OK"201": created& Quot; 202 & quot;: accepted"203 ":Non-authoritative information"204": NO content"205": reset content"206": Partial content& Quot; 300 & quot;: Multiple