how to fix 502 bad gateway

In the Nginx reverse proxy mode, the page loading is incomplete or the 502 bad gateway appears directly. There are many cases of 502 bad Gateway, most of which are related to the setting of the Nginx timeout problem. The follo

likely that one of these websites is faulty or overloaded. Contact the website administrator. A general explanation of the solution to 502 bad getway errors 1. What is 502 bad getway error?In short, 502 is the gateway with the e

You can try to clear the browser cache access to your FTP to see if you can log in Successfully resolved 502 Bad Gateway error Log on Today, show 502 bad Gateway,nginx the most annoying place is often this error, because I do no

Recently, the phenomenon of server downtime more frequent, temporary work, G to hang up, 502 Bad Gateway Nginx, I can not help but remind me before the 504 gateway time-out, the two should be a bit of contact, we must find out. The implication of Nginx 504 Gateway time-out i

Recently, server downtime occurs frequently. When I get off work, G crashes and 502 Bad Gateway Nginx reminds me of the previous 504 Gateway Time-out, the two should be in a certain relationship. Nginx 504 Gateway Time-out means that the requested

. conf:Fastcgi_connect_timeout 300 s;Fastcgi_send_timeout 300 s;Fastcgi_read_timeout 300 s;Fastcgi_buffer_size 128 K;Fastcgi_buffers 8 128 K; #8 128Fastcgi_busy_buffers_size 256 K;Fastcgi_temp_file_write_size 256 K;Fastcgi_intercept_errors on;The most important setting here is the first three, that isFastcgi_connect_timeout 300 s;Fastcgi_send_timeout 300 s;Fastcgi_read_timeout 300 s;This specifies the connection, send, and read time for the PHP-CGI, 300 seconds is enough, so my server rarely get

introduce A server (not necessarily a WEB server) is being used as a gateway or proxy to fulfill a request from a customer (such as your browser or our Checkupdown robot) to access the desired URL. To complete the request, this server accesses an upstream server but receives an invalid response. This usually does not mean that the upstream server is closed (no response to the gateway/proxy), but that the up

Some websites that run on Nginx sometimes appear "502 Bad Gateway" errors, even when they occur frequently. The following is a small compilation of some of the Nginx 502 error troubleshooting methods, for reference:The reason for Nginx 502 error is more because of a problem

Some websites running on Nginx sometimes appear as "502 Bad Gateway" errors, some times even frequently. The following is a small compilation of some of the Nginx 502 error troubleshooting Methods for reference: The reason for the Nginx 502 error is more due to a problem wi

502 Bad Gateway error solutionThere are many causes of Nginx 502 errors because of problems with backend servers in proxy mode. These errors are not nginx problems, so you must find the cause from the backend! However, nginx has put all these errors on its own, which makes it highly questionable for nginx promoters. Af

Cause 502 Bad Gateway Servers (which can be not Web servers) are gateways or proxies that meet customer requirements (such as Web browsers or our Checkupdown bots) to access the requested URL. 　　This server received an invalid response from an upstream server to fulfill its requirements. Meaning: This usually does not mean that the upstream server h

this time, Nginx cannot transfer the PHP file to PHP-FPM processing, so the CPU will be reduced to very low (not to handle PHP, not to execute SQL), and the load will rise to very high (close and open children, nginx wait php-fpm), the network card traffic is also reduced to very low ( Nginx cannot generate data transfer to client)Solving the problem is simple, increase the number of children, and set max_requests to 0 or a larger value, restart PHP-FPMThe implication of Nginx 504

LNMP a key installation package for the environment but I found my WordPress backstage, some of the page 502 Bad Gateway error problem, let's look at the solution. My PHP version is 5.2.17. MySQL version is 5.1.60 WordPress version 3.8.3 Read the PHP-FPM log, basically are similar to the following error The code is as follows Copy Code

　　First, 502 bad gateway meaning 502 Bad Gateway English translates into 502 types of errors or invalid gateways, where 502 refers to the e

probably a problem--one of those sites that has a device failure or overload. Contact the administrator of the Web site. About 502 Bad Getway the solution to the error of the popular explanation 1. What is 502 bad Getway error In short, 502 is an error type code

Some websites that run on Nginx sometimes appear "502 Bad Gateway" errors, even when they occur frequently. Here are some of the Nginx 502 error troubleshooting methods compiled from Google for your reference:The reason for Nginx 502 error is more because of a problem with t

Today, my VPs frequently prompts that the nginx 502 Bad Gateway is incorrect. After the VPs is restarted, it becomes annoying. I cannot figure it out. There was no problem when my website reached 1290 of the traffic in the previous two days. Why did 502 Bad

, find a balance point. There's also a lazy approach to max_children, If your PHP is 5.3, then you can set the FPM style to Apache-like, this time the number of children by FPM automatic control. The corresponding configuration parameters are Start_servers: Number of start processes Min_spare_servers: Minimum number of processes Max_spare_servers: Maximum number of processes When the server is more idle, FPM will take the initiative to kill some redundant children, to save resources, when the se

The first reason: Install LNMP a key installation package when PHP did not install successfully and 502 bad Gateway, starting from 0.9 as long as the installation of success or failure will be prompted. Failure to install the general reason is that before the installation of PHP, some LIB packages in the script may not be installed, causing PHP failed to compile

A large number of queries often appear 502 bad Gateway Millions of data were checked directly Nginx 502 bad gateway. Another server is good. I cannot log on to the server to view the configuration. Ask you to get nginx+php comrade