504 bad gateway

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

Today, my VPs frequently prompts that the nginx 502 Bad Gateway is incorrect. After the VPs is restarted, it becomes annoying. I cannot figure it out. There was no problem when my website reached 1290 of the traffic in the previous two days. Why did 502 Bad Gateway appear this time? Depressed !!! After searching for a

　　First, 502 bad gateway meaning 502 Bad Gateway English translates into 502 types of errors or invalid gateways, where 502 refers to the error type code. 　　Second, produce 502 bad Gateway error reason There are many reasons fo

Some websites that run on Nginx sometimes appear "502 Bad Gateway" errors, even when they occur frequently. Here are some of the Nginx 502 error troubleshooting methods compiled from Google for your reference:The reason for Nginx 502 error is more because of a problem with the backend server in proxy mode. These errors are generally not the problem of nginx itself, be sure to find the reason from the back e

Nginx + Apache + SSL + SVN svn copy 502 Bad Gateway When Nginx is used to access the SVN server through https, the following error occurs when svn copy is executed:Svn: Server sent unexpected return value (502 Bad Gateway) in response to COPY request Solution:Location /{Proxy_redirect off;Proxy_set_header Host $ host;P

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 Occurrence1, PHP fastcgi process number is not enoughThe number of PHP fastcgi processes is not guaranteed when there is a huge amount of co

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. Step one, close the agent 1, the first may be our browser using the agent, we open the des

 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 of the server open open vi/etc/security/limits.conf bottom plus * Soft nofile 51200* hard

, 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, this time the number of children by FPM automatic control. 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 more idle, FPM will take the initiative to kill some redundant children, to save resources, when the se

502 Bad Gateway error solutionThere are many causes of Nginx 502 errors because of problems with backend 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

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 error The code is as follows Copy Code may 13 19:35:21.668482 [WARNING] Fpm_std

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

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

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 occurred immediately after the thought may be

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

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 in the front tick, and then restart the brow

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 time is too long to cause memory to use exce

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, thought resolved, excited to continue to ke