error 502 bad gateway fix

[ArticleAuthor: Zhang banquet this article version: V1.0 last modified: 2008.07.30 reprint please indicate the original article link: http://blog.s135.com/read.php/361/] Yesterday, a friend asked me how to solve the "502 Bad Gateway" error when he changed the Web server to nginx 0.6.31 + PhP 4.4.7 (FastCGI. I will fo

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 | gr

The 502 error is the one that all nginx running PHP don't want to see. Nginx 502 has many reasons, but most of the reasons can be attributed to the lack of resources, that is, the back-end php-fpm processing problems, nginx the correct client request to the backend PHP-FPM process, However, because of the PHP-FPM process problems caused by the failure to parse th

Cause1. PHP FastCGI Process count is insufficientWhen the number of concurrent accesses to the website is huge, the number of php fastcgi processes is not guaranteed, because cgi works in a single thread and multiple processes, that is to say, cgi needs to process a page before continuing the next page. If the number of processes is not enough, when the access is huge, cgi processes the previous requests in line, and the subsequent requests will only be abandoned. In this case, nginx may encount

. 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

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

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

128Fastcgi_busy_buffers_size 256k;Fastcgi_temp_file_write_size 256k;Fastcgi_intercept_errors on;The main setting here is the first three, which isFastcgi_connect_timeout 300s;Fastcgi_send_timeout 300s;Fastcgi_read_timeout 300s;This set the php-cgi connection, send and read time, 300 seconds enough to use, so my server rarely appear 504 Gateway time-out this error. The key is the php-fpm.conf setting, which

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

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

LNMP common 502 Bad Gateway Problems When we configure LNMP, we always encounter 502 problems. Whether it is in the browser or using the curl command, it is easy to see "502 Bad Gateway

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 database capacity of about 10G.The failure o

The first reason for the nginx 502 Bad Gateway error of the one-click lnmp installation package is that the lnmp one-click installation package has many problems: 502 Bad Gateway. In mo

/wwwroot/jifen.51.com/www/index.php'(Request:"Get/center/index") Execution timed out(31.055392sec), terminating[ in-dec- . ,: -: One] WARNING: [Pool www] Child9978, script'/opt/wwwroot/jifen.51.com/www/index.php'(Request:"Get/center/index") Execution timed out(30.037908SEC), terminatingOpen the php-fpm.conf configuration file, set the Request_terminate_timeout = 30 set of a single script execution more than 30s will be terminated.And in the php.ini config file Max_execution_time = 60, set a sin

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