504:作为网关或者代理工作的服务器尝试执行请求时,未能及时从上游服务器(URI标识出的服务器,例如HTTP、FTP、LDAP)或者辅助服务器(例如DNS)收到响应。 注意:某些代理服务器在DNS查询超时时会返回400或者500错误. 通俗的来说,nginx作为一个代理服务器,将请求转发到其他服务器或者php-cgi来处理,当nginx收到了无法理解...
504,Gateway Timeout,网关超时。 它表示网关没有从上游及时获取响应数据。注意它和502在超时场景下的区别,502是指上游php-fpm因为超过自身允许的执行时间而不能正常生成响应数据,而504是指在php-fpm还未执行完成的某一时刻,由于超过了nginx自身的超时时间,nginx则以为上游php-fpm没有按照设置时间返回响应数据就会返回5...
The 504 error means: The HyperText Transfer Protocol (HTTP) 504 Gateway Timeout server error response code indicates that the server, while acting as a gateway or proxy, did not get a response in time from the upstream server that it needed in order to complete the re...
Status Code 499、500、502、504也是后端Http服务经常返回的状态码,试想一下,对于每个状态码,如果你能通过一些修改或配置来人为复现它,是不是会更利于你去掌握它呢?本文就是通过制造它们的方式来学习它们。 502,504在超时的场景下会比较像,经常有人不能区分它们。499产生的原因也常常会和504会有内在的关联,你都...
500 Internal Server Error:服务器遇到未预料的情况,无法完成请求。 501 Not Implemented:服务器不支持请求的方法。通常用于未实现的功能。 502 Bad Gateway:服务器作为网关或代理时,从上游服务器收到无效响应。 503 Service Unavailable:服务器暂时无法处理请求。常用于服务器过载或维护。 504 Gateway Timeout:服务器...
Is your browser displaying an http error 403 instead of the web page you requested? This means that the web server has not granted you access to that page. The reason for this differs from case to case; sometimes the website operator as secured this area from being accessed but… ...
This means the requester has asked the server to switch protocols and the server is acknowledging that it will do so. 102 Processing (WebDAV – Web分布式创作和版本管理) (RFC 2518) 由于WebDAV可能含有文件操作等众多子请求,需要一定时间去完成该请求。此code用于告知服务器已收到并正在处理请求,尚未有响...
If the error message ‘HTTP 504 Gateway Timeout’ appears when you attempt to open a website, it means that the allowed time for responding to browser queries has been exceeded. A lot of the time the culprit is not the web server itself, but instead some other component of the… ...
A“400 Bad Request” error means the server cannot process the request due to client-side issues. A “404 Not Found” error, on the other hand, indicates that the server cannot find the requested resource. In short, a 400 error is about a bad request, while a 404 error is about a ...
504 Gateway Timeout 由作为代理或网关的服务器使用,表示不能及时地从远程服务器获得应答。(HTTP 1.1新) 505 HTTP Version Not Supported 服务器不支持请求中所指明的HTTP版本。(HTTP 1.1新) === 英文版: 100:Continue 101:Switching Protocols 102:Processing 200:OK 201:Created 202:Accepted 203:Non-Authoria...