Change nginx gateway timeout
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However, if modifications were recently made (such as upgrades or installations), it’s possible that file permissions were changed or are otherwise incorrect, which could cause an issue to propagate its way throughout the application and eventually lead to a 502 Bad Gateway Error. Bad File Permissions: ff the application was working fine before and suddenly this error occurs, permissions are not a very likely culprit.Origin server down: The server is not reachable, either because it is down or there is no connectivity to the server given.This is dependant on the TTL, or time to live, defined per record. It is important to note that DNS changes could take some time until they are global fully propagated and active. Domain name not resolvable: The domain name is not resolving to the correct IP or it does not resolve to any IP.There are a few main culprits that cause 502 Bad Gateway responses. Nginx error log Location: /var/log/nginx/error.log The main Nginx configuration file is /etc/nginx/nf Here are a few examples of error page what you might see: It’s also possible there’s an improperly configured firewall or even a coding error, and that the problem won’t get fixed until those issues are addressed. It’s possible the server is overloaded or there are network issues between the two servers, and it’s just a temporary problem.
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The error should look like the below image.Ī 502 Bad Gateway error 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). Today, we will discuss 502 Bad Gateway error on Nginx web server. While some are simple, others have obtuse or confusing meanings and, worst of all, since these codes are the result of a much broader relationship between the client, the web application, a web server, and untold numbers of outside web services, pinning down exactly what a given error indicates can be a challenge in the best of circumstances. HTTP response codes, particularly those that represent an error, can be difficult to deal with.