error 502 bad gateway

PHP program appears 502 bad gateway how to break? Reply content: PHP program appears 502 bad gateway how to break? Confirm that the PHP-FPM process is healthy, and then start with the run environment and adjust the timeout

reason is that before installing PHP, some of the Lib package in the script may not be installed, resulting in PHP did not compile the installation successfully.Workaround: You can try installing it manually according to the script in the LNMP one-click installation package to see what the error is causing, search the web, or send the error message. We'll give you an analysis of the cause of the mistake.

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 two configuration items by yourself, depending

continuously debug and find a balance point based on the running status of your website. There is also a lazy approach for max_children, If your php is 5.3You can set the fpm style to apache-like. In this case, the number of children is automatically controlled by fpm. The corresponding configuration parameters are: Start_servers: Number of starting processes Min_spare_servers: Minimum number of processes Max_spare_servers: Maximum number of processes When the server is idle, fpm will take the

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

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

# 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 Gateway, not wait for a period of time Nginx only reported 502, open

error occurs. You can increase memory_limit of php. ini to 64 MB.Other causes that may cause 502 bad gateway errorsInsufficient. php-fpm process countUse netstat-napo | grep "php-fpm" | wc-l to check the number of fastcgi processes. If the number is close to the upper limit configured in conf, you need to in

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

 Site Access Tips 502 Bad gateway how to solve. According to the analysis is generally the PHP thread open file handle restricted caused.share in Linux environment site hints 502 Bad Gateway solution 1, raise the file handle

Nginx 502 Bad Gateway can be forcibly refreshed by the client, but the solution is either to change the configuration or put it on the CDN. In this case, someone found that index.html can be accessed. Because we are an online website and do not have much time to study it, this is temporary. Then, someone suggested that Ctrl + F5 should be used to refresh the cach

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

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 U

1th: Resource problems caused by request_terminate_timeout if the value of Request_terminate_timeout is set to 0 or too long, it may cause file_get_contents resource problems. If the remote resource requested by file_get_contents is too slow, file_get_contents will remain stuck there and will not time out.We know php.ini inside.Max_execution_timeYou can set the maximum execution time for PHP scripts, but in php-cgi (PHP-FPM), this parameter is not effective. The real ability to control the maxim

, can set innodb_force_recovery > 0 in MY.CNF Innodb:and force InnoDB to continue crash recovery here. You can see the error code is 2, check the MySQL official website error code description is "No such file or directory". Back to the error log, the previous sentence of the error code is "Reading tablespace info

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 /

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/l

There was a strange problem today when the form was submitted directly 502 bad gateway! Begin to suspect is a program problem, then check the program is normal, found that post field number is greater than 1000 when 502 bad Gateway