how to fix 502 bad gateway nginx

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

Received an alert email today prompting the website 502 Bad Gateway,You cannot open the Web site URL after entering it:Log on to the server to see Nginx process OK:To view the FASTCGI process has stopped running:Problems found after the search is what the cause of the problem, the first fastcgi process started after th

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

There are 502 errors in php-cgi processes, long PHP execution time, or php-cgi process death. 1). Long PHP Execution Time If the server performance is good enough and the broadband resources are sufficient, the PHP script does not have a loop or bug, you can set the "request_terminate_timeout" to 0s directly.PHP-FPM.CONF 103 lines Around The code is as follows Copy Code The meaning of 0s is to allow php-cgi to

PHP thread open File handle limited error 502 bad Gateway The resources on the Internet are basically considered to be errors caused by the limited opening of a file handle by a PHP thread. The specific solution is as follows: ? 1. Raise the file handle of the server open Open /etc/security/limits.conf: (Increase) * soft???????? 51200 *?????? nofile. 5120

Today, after the upgrade of PHP 502 Bad Gateway error, according to experience is PHP-FPM problem, but see what traffic on the Internet, child process settings, but I do not have any traffic on the server. So you can only look at the configuration file. [Global] PID =/usr/local/php/var/run/php-fpm.pid error_log =/usr/local/php/var/log/php-fpm.log log_level = Noti

Tags: lnmp nginx PHPWhen the website was relocated to a new server, it was originally lamp and now changed to lnmp.Change the rewrite file htaccess to nginx Conf. You can only open the home page on a website. When other rewrite pages are opened, they are constantly loaded.Loading will prompt after several minutes502Bad Gateway!......Later, I checked the rewrite r

the reason for the 502 Bad Gateway appears: 1, the general we open the page when the 502 bad Gateway, indicating that the server did not correspond, that is, our web server did not receive valid information caused. S

Test site found, keep clicking to save large information data, after a period of time, the page appears 502 Bad Gateway The proxy server received an invalid response to upstream server. Checked, according to Http://bbs.chinaunix.net/viewthread.php?tid=1230212 said, httd.conf Tim Plus Setenv force-proxy-request-1.0.1Setenv proxy-nokeepalive 1 Is not a mistake

502 Bad Gateway Phpstorm 10.0.1 I was learning "upload files" a class encountered, with the Google Chrome browser Windows platform, the normal output echo what is not a problem, an "upload image" appears, and then all of the PHP or HTML to run is like this, restart is good, But uploading is not possible. Occasional error hints are 404

The way to resolve 502 Bad Gateway is: 1. Depending on the performance of the server, in the php-fmp.conf to increase the value of Max_children, I currently use 15. (a php-fpm uses about 20M of RAM, if your memory is about 1G,1024/20=50) 2. Use the reload parameter to reload the PHP-FPM periodically. Release the memory used by PHP-FPM, the PHP script execution

502 Bad Gateway Causes A server (not necessarily a Web server) is a gateway or proxy to meet customer requirements, such as a Web browser or our Checkupdown robot, to access the requested URL. This server received an invalid response from an upstream server to fulfill its requirements. Meaning This usually does not

A simple script to monitor 502, and if it encounters 502, automatically restarts the PHP process. Suitable for LNMP environments.The following files are stored in/root or other directories:#!/bin/bashMY_URL="http://www.tarena.com.cn/"RESULT=`curl -I $MY_URL|grep"HTTP/1.1 502"`if[ -n "$RESULT"]; then/etc/init.d/php-fpm restartfiGive executable permission:chmod+x /

Win7 open Web page with browser three ways to 502 bad gateway errors Method One, shutdown agent 1, the first may be our browser using the agent, we open the desktop browser to find the right corner of the tool open, in the Drop-down menu to find the proxy server option; 2, then in the pop-up Proxy server option, choose not to use the proxy option

corresponding ports on the queue is full of two casesThe somaxconn of the system can be modified in the following wayVim/etc/sysctl.confNet.core.somaxconn = 2048Sysctl-pIn PHP-FPM, there is an option for thisListen.backlog =-1This value, preferably not set to-1, 1 when the system is not able to set the number of settings, resulting in 502 appears2015/02/11 12:37:22 [ERROR] 25725#0: *1015645 connect () to Unix:/tmp/php-cgi.sock failed (11:resource tem

results, look forward to your discovery ha!Second, Nginx 502 bad GatewayThe implication of Nginx 502 Bad Gateway is that the requested php-cgi has been executed, but the php-cgi proces

PHP thread open File handle limited error 502 bad Gateway

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. After all, we can understand the word "Bad Gateway? Isn't it

, many things require long-term experience to produce results. We look forward to your findings! Nginx 502 Bad Gateway means that the requested PHP-CGI has been executed, but the PHP-CGI process is terminated for some reason (generally because the problem with reading resources) is not completed.Nginx 504

README directly. As a result, the 502 bad gateway error was caused. The HTTP status code with 5 headers is caused by the server, so check the nginx log: Error log: See upstream: "fastcgi: // 127.0.0.1: 9090". Here, the port seems to be incorrect, so check the configuration of the VM: Let's take a look at the configu