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 bad
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
In short, 502 is an error type code bad Getway wrong gateway
2. Causes of Errors
Connec
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
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 most cases, the reason is that before installing PHP, some lib packages in the script may not be installed, resulting in PHP not being co
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 comrades. What are the settings of your server? I sent it to the hardware department.
------Solut
parameter will not work. The real ability to control the maximum execution time for PHP scripts is the following parameters in the php-fpm.conf configuration file:Attention! The format of the new PHP-FPM in the configuration file is:request_terminate_timeout=0sThe default value is 0 seconds, which means that the PHP script will continue to execute. This way, when all the php-cgi processes are stuck in the file_get_contents () function, the nginx+php WebServer can no longer process the new PHP r
LNMP upgrade php5.4.28 or later version error 502 bad Gateway
Encounter a very strange problem, with LNMP./upgrade_php.sh upgrade php5.4.27 normal.
But upgrade to php5.4.28 error, Access p.php hint: Nginx 502 bad Gateway. Try again in the morning, upgrade to 5.5.12 access p.php is also the same hint: Nginx 502
Nginx+php-fpm+mysql website, visit Nginx a page, reported 502 Gateway error, generally see this error, can judge is php-fpm problem, not nginx problem. By monitoring the Nginx error log, the following error is found:Upstream sent too big header while reading response headers from upstreamSolve this problem with Google:In nginx.conf the HTTP segment, add the following configuration:proxy_buffer_size 128k;proxy_buffers 32 32k;proxy_busy_buffers_size 128
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 mean that the upstream server has been shut d
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 has been shut down (no response
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 ", so what is the cause of the error and how to solve it. I have summarized it based on my experience.
Error 1: configuration error
Le
/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
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 and buffer size configurations.
For example a iptables + haproxy + nginx + PHP-FPM operati
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 comrades. What are the settings of your server? I sent it to the hardware department.
Reply to discussion (solution)
502 is usually the php-fpm of the meal. This may be due to an excessive number of FPM connections or a longer program
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
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 fastcgi timeout time, as follows:http{......Fast
On the Saturday game not to go, their own tools to test, the hint 502 bad gateway error, not know how the whole, unexpectedly put the server restarted, and so the boss of the verification code, tossing the majority of days, in fact, not so, direct birth php5-fpm, and Nginx can
/ETC/INIT.D/PHP5-FPM restart
Service Nginx Restart
If reboot fails
If prompted fail sudo nginx-t view reason http://www.linuxidc.com
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
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 processesMin_spare_servers: Minimum number of processesMax_spare_servers: Maximum number of processesWhen the server is idle, fpm will take the initia
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