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The principle is to use curl to obtain the HTTP header and execute the command to restart PHP-FPM when the 502 status code is found.
CopyCodeThe Code is as follows :#! /Usr/bin/PHP
$ Cmd = '/usr/local/PHP/sbin/PHP-FPM restart ';
For ($ I = 0; $ I $ Res = shell_exec ($ Exec );
If (stripos ($ res, '2014, 502 Bad gateway
The principle is to use Curl to obtain HTTP headers, found 502 status code to perform the restart PHP-FPM command.
Copy Code code as follows:
#!/usr/bin/php
$cmd = '/usr/local/php/sbin/php-fpm restart ';
for ($i = 0; $i $res = Shell_exec ($exec);
if (Stripos ($res, ' 502 Bad Gateway ')!== false) {
S
Nginx can receive 80 requests, but cannot go to tomcat:8080.
Direct access to Http://x.x.x.x:8080/project can be accessed
View/var/log/nginx/error.log
2015/04/01 11:38:13 [crit] 2895#0: *10 connect () to 127.0.0.1:8080 failed (13:permission denied) while connecting to Upstream, client:10.12.70.206, server:localhost:8080, Request: "GET/BPP http/1.1", Upstream: "http://127.0.0.1:8080/ App ", Host:" 10.11.202.204 "
Solution:
Http://stackoverflow.com/questions/25235453/nginx-proxy-server-localhost-
[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 follow the two steps below to solve the problem
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 rules one by one and found that there was no problem with the program because of the databa
Nginx + php-fpm error 502 bad gateway solution, nginxphp-fpm
1. nginx error cannot be found. Generally, You need to modify/usr/local/nginx/conf/nginx. conf (careful modification may cause other website problems)
Error 2,502
Case 1: nginx fails:
Command:/usr/local/nginx/sbin/nginx-s reload
Wait a moment later
Case 2: php disconnection:
First you need to modify the
Today, I set up a WORDPRESS site in the newly installed Linode VPS. Who knows that there was an inexplicable 502 Bad Gateway error when step = 2.20110112200117-156870207 [1]At the beginning of thought is the concurrency and memory problems, adjusted the php-fpm.ini, also re-compiled php. The problem persists. Okay. Check the Centos logs.# Less/var/log/messages //
, 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 information from the. ibd files ...", the next sentence is "Error:could not open single-table Tablespa CE file. \dota2\data_abilities-". You can see that the error is related to the *.
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
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 process is terminated for some reason (generally, the problem of reading the resource) is not co
, 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 gateway ti
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 bad nginx? People who do not know it will directly put the responsibility on nginx. I hope
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 configuration of php-fpm:
Indeed, the FastCGI serve
Baidu Encyclopedia
A popular explanation.1. What is 502 Bad Gateway errorIn short, 502 is an error-type code bad gateway.
2. Causes of ErrorsConnection Timeout We send a request to the server because the server is currently link
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