502 bad gateway nginx fix

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 se

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

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

set "request_terminate_timeout" to 0 s if the PHP script does not have loops or bugs. 0 s means to keep the PHP-CGI running without a time limit. And if you can't do that, that is, your PHP-CGI may have a bug, or if your bandwidth is insufficient or your PHP-CGI may be suspended for other reasons, we recommend that you assign a value to "request_terminate_timeout", which can be set based on the performance of your server. In general, the better the performance, the higher you can set, 20 minute

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

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 th

# in Nginx and PHP-FPM next visit Nginx on the instant 502 question Php-fpmsignal 7 (Sigbus) Failure phenomenon Use the tinkphp3.2.x frame, the page occasionally appear a visit Nginx on the report 502 bad

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,

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

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,

Yesterday's own machine old tips 502 Bad Gateway error, the following small series to give you a summary of the Nginx appeared 502 the solution, the wrong gateway, have encountered such problems of friends can refer.Cause of Occur

The recent 502 error of Nginx Gap, how to implement automatic restart PHP-FPM? Think of the solution 1. Execute shell script with crontab timer, reboot after error (timed execution every 5 seconds)2. Using the Nohup,shell script background execution Sample Script #!/bin/bash while : do URL="http://192.168.1.30" RESULT=`curl -m 10 -I -s $URL | grep "HTTP/1.1

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

, 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

Server normal operation 2 months, the day before yesterday the whole station suddenly appeared 502 bad Gateway, all pages are not open, using the NGINX+PHP-FPM mode.Server situation: This server traffic is relatively large, PV around 300,000 per day, database use of MYSQL5, the largest table data has 800,000, the total

WordPress 502 Bad Gateway Solution The first is to change several configurations of the PHP-FPM: /www/wdlinux/php/etc/php-fpm.conf /www/wdlinux/etc/php-fpm.conf Max_children from the previous 10 to the current 30, so that there is sufficient php-cgi process can be used;Change the request_terminate_timeout from the previous 0s to 60s, so that the php-cgi proces

processes" is close to the preset "fastcgi process", then the "fastcgi process count" is not sufficient and needs to be increased. But be careful to calculate whether your memory is enough to support more processes, if the physical machine memory is not large enough, it is useless to increase the number of processes.2, some of the PHP program execution time than the Nginx wait time, you can appropriately increase the nginx.conf configuration file fas

by the page consumption of our site may be too large. On the Internet to find a solution, in the foreign site saw a way to increase the buffer, thoroughly solve the problem of Nginx 502 bad Gateway. The method is as follows: HTTP { ... Fastcgi_buffers 8 16k; Fastcgi_buffer_size 32k; ... } Increase the above tw

debug, 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, at which time the number of children is automatically controlled by FPM. 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 idle, FPM will actively kill some extra children to conserve resources, and the ser

Nginx + Apache + SSL + SVN svn copy 502 Bad Gateway When Nginx is used to access the SVN server through https, the following error occurs when svn copy is executed:Svn: Server sent unexpected return value (502