这是一个网页弹出来的吧，它的意思是这个网或者通道已经坏了不能访问。502是个代码序号。
The image above shows a “502 Bad Gateway NGINX” error from a server using NGINX as a reverse proxy, which is a very common web-server setup. The error page may be further customized by some hosting providers. Below you can see an example of a customized “502 Bad Gateway” Error page...
HTTP Status Code 502, colloquially known as the "Bad Gateway" error, is a member of the 5xx series of HTTP response status codes. This family of codes is used to signify instances where the server is aware that it has stumbled upon an error or is in a position where it cannot complete...
This is the category the 502 error falls into, along with the common 500 error that indicates an internal service issue. A 502 bad gateway error may not always appear the same way every time. There are different versions of the 502 error message, including a blank white screen. Some of ...
Typically, when you visit a website, your access request will be sent to a web server. If this server receives an invalid response from an upstream server, you’ll get a 502 bad gateway message. Although the 502 error is not as common as a500 internal server erroror a503 service unavaila...
502 Bad Gateway The server was acting as a gateway or proxy and received an invalid response from the upstream server. 503 Service Unavailable This error code refers to the server that was acting as a gateway or proxy and has received an invalid response from the upstream server. ...
500 – Internal Server Error 502 – Bad Gateway 503 – Service Unavailable 504 – Gateway Timeout In Conclusion Looking for more on a particular status code? We have a series of short guides on every HTTP response, so you can optimize your digital marketing strategy. Grab them here: ...
502 bad gateway Hi There I keep getting 502 Bad gateway message on a site that I regularly use.Can anybody please advice me on how i can correct this please.I have tried other browsers but they are the same message.Thanks In Advance 2 years ago 4737 15 how do you fix 504 gateway...
That is why understanding what a 503 Service Unavailable error means, its causes, and how to fix it is key to maintaining an active, welcoming website. HTTP Status codes from the 5xx branch denote server-side errors. Such errors are: 500 (Internal Server Error) 502 (Bad Gateway) and (...
The server response may include aRetry-Afterheader, informing the client when to check back if the functionality is available. This error requires a fix from the web server side. 502 Bad Gateway The gateway or proxy server gives this status code when it receives an invalid response while attem...