what is 503 service

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

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

Next, I would like to review the TCP/IP protocol family related things, of course, most of these things were learned in college, but that sentence, the basis of things still need to review the back of the time. The next few blog is about the TCP/IP

The complete HTTP 1.1 specification is from RFC 2616 and can be accessed online at Http://www.talentdigger.cn/home/link.php?url=d3d3LnJmYy1lZGl0b3Iub3JnLw%3D%3D. The status code for HTTP 1.1 is marked as a new feature because many browsers only

1xx (Temporary response)A status code that represents a temporary response and requires the requestor to continue the operation. Code Description100 (continued) The requesting person shall continue to make the request. The server returns this code

Headers_sent () Http_response_code () sent () Header () Definition and usageThe Headers_sent () function checks whether the HTTP header has been sent and where it was sent.Returns True if the header was sent, otherwise

 An error may occur when the browser requests a service from the Web server. It is possible to return the following series of status messages:1XX: Information message: Description: Continue The server only

Some common status codes $-Server successfully returned to Web page304(unmodified) The requested webpage has not been modified since the last request. When the server returns this response, the Web page content is not returned.404-The requested page

"100″: Continue (continue) The initial request has been accepted and the customer should continue to send the remainder of the request. (HTTP 1.1 new) "101″: Switching protocols (switching protocol) The requestor has asked the server to switch

1XX messageThis type of status code, on behalf of which the request has been accepted, needs to be processed. This type of response is a temporary response that contains only the status line and some optional response header information and ends

Status Code classification Overall range Defined range Category 100~199 100~101 Information 200~299 200~206 Success 300~399 300~305 redirect

1.URLLIB2 IntroductionURLLIB2 is the Python module that crawls the URL (Uniform Resource Locator). It provides a very simple interface, using the Urlopen function. It can use many different protocols to crawl URLs.It also provides a slightly more

The http--Hypertext Transfer Protocol (hypertext Transfer Protocol) is the most widely used network protocol on the Internet and is the standard that all WWW files must comply with.To be a good web developer, you must be familiar with the HTTP

How HTTP WorksThe HTTP protocol uses the request/response model. The client sends a request message to the server, and the server responds with a state.The following are the steps for HTTP request/Response:The client connects to the Web server: The

Some of the common status codes are :200-Server successfully returned to Web page404-The requested page does not exist503-Server TimeoutA complete list of HTTP status codes is provided below. Click on the link to learn more. You can also get more

When using HttpWatch for packet capture analysis, we often see 200, 301, and 304 of these status codes. What do you mean by the three?200 means normal 0k, and this is what everyone on earth knows.301 Moved Permanently indicates that the customer

An error may occur when the browser requests a service from the Web server.It is possible to return the following series of status messages:1XX: Information message: Description: Continue The server only

ActiveMQ deployment steps and background management website Service Unavailable Problem Solving notes, activemq and webservice When ActiveMQ was recently deployed, it was found that some servers could open the background management website, some

HTTP common status codes 200 301 302 404, 302404 HTTP Status Code) Some common status codes are: Start with 1 1xx indicates the status code of the temporary response and requires the requester to continue the operation. Code Description 100

Java Web knowledge point Summary 1. Java Web knowledge point summary Java Web knowledge point Summary 1 Common status codes and their meanings Some common HTTP status codes are: 200 -- the server returns the webpage successfully 400 -- the server