How do I fix 502 Bad Gateway Nginx ubuntu?

sock; Then, check your Nginx configuration with nginx -t and reload both Nginx and php-fpm services. If the PHP-FPM processes are running but you are seeing the 502 error message, then you would need to tine tune your PHP-FPM’s process management to utilize the available memory on the server properly.

How do I fix Nginx error 502?

How to Fix a 502 Bad Gateway Error

Reload the page.
Look for server connectivity issues.
Check for any DNS changes.
Sift through your logs.
Fix faulty firewall configurations.
Comb through your website’s code to find bugs.
Contact your host.

Why does Nginx return to 502?

502 Bad Gateway in Nginx commonly occurs when Nginx runs as a reverse proxy, and is unable to connect to backend services. This can be due to service crashes, network errors, configuration issues, and more.

How do I fix Error 502 Gateway?

Troubleshoot a 502 error message

Refresh the page.
Start a new browser session or load the site on a different browser.
Restart your computer and networking equipment.
Clear your cache and cookies.
Change your DNS server.
Contact the website administrator or your internet service provider.

Does 502 Bad Gateway mean blocked?

What does 502 Bad Gateway mean? # A 502 Bad Gateway indicates that the edge server (server acting as a proxy) was not able to get a valid or any response from the origin server (also called upstream server).

What NGINX used for?

NGINX is open source software for web serving, reverse proxying, caching, load balancing, media streaming, and more. It started out as a web server designed for maximum performance and stability.

How do I fix Nginx error?

Here are the steps to fix 500 Internal Server Error in NGINX on localhost, CPanel, PHP, Ubuntu and other platforms.

Hard Refresh.
Examine Server Logs.
Examine Your Script.
Check File/Folder Permission.
Check redirections.
Increase Script Timeout.

Is 502 Bad Gateway a virus?

There’s more than one reason you’re seeing a 502 Bad Gateway error. Most likely, it’s because the origin server your computer is communicating with is down completely. Think of your firewall as a security system protecting your computer from harmful outsiders such as viruses, hackers, malware, and other dangers.

How do I stop 502 Bad Gateway NGINX?

Clear your browser cache and delete cookies. Your browser may be holding on to certain files that were saved once you visited the website with a 502 error. Restart your computer/networking equipment. Change your DNS servers.

What is NGINX bad gateway?

A 502 Bad Gateway Error means that the web server you’ve connected to is acting as a proxy for relaying information from another server, but it has gotten a bad response from that other server. It’s possible the server is overloaded or there are network issues between the two servers, and it’s just a temporary problem.

What is a 502 proxy Error?

What’s an HTTP 502 An HTTP 502 – bad gateway server error response code indicates that the server, while acting as a gateway or proxy, received an invalid response from the upstream server. The timeout of the proxy was reached prior to the request completion. If the connection proxy > server drops.

What is the difference between Tomcat and NGINX?

Nginx is an open-source, feature-rich web server that uses the asynchronous and event-driven approach to process static and dynamic requests. Tomcat is an open-source, high-performance HTTP server used to serve the HTTP request, which Apache Software Foundation maintains. …

Why do I get 502 Bad Gateway error in Nginx?

You get 502 Bad Gateway Error in NGINX when it is acting as a reverse proxy and receives a bad response from one of the original back end servers. So NGINX returns 502 Bad Gateway error to client browser. There are various reasons why NGINX gives 502 Bad Gateway response that we will look at further.

What is HTTP status code error in Nginx?

Nginx running with other services as a gateway. Bad buffering / timeout configuration. Such type of error is referred to as an HTTP Status Code Error. It generally occurs at the gateway. Where gateway is an access point, a bridge communicates between the two servers.

Why is Nginx unable to connect to Apache on Linux?

For instance, in Linux servers that run Plesk automation suite, Nginx runs on port 80, and Apache runs on port 7080. But firewalls by default block uncommon ports such as 7080, and it will result in Nginx unable to connect to Apache. Result? 502 Bad Gateway error.

Why is Nginx not working with PHP5 FPM?

NGINX with PHP5-FPM While using NGINX with PHP5-FPM, if it is not well configured, the website will throw 502 Bad Gateway Error. There might be a possibility that PHP5-FPM will get overloaded with too many requests, maybe because of PPC running on that website. In this case, restart PHP5-FPM and check the error logs.