Introduction:

WordPress 502 Bad Gateway Error means an act or condition of ignorant or imprudent deviation from a code of behaviour. No one wants to deal with error codes while surfing the web. And as a developer, mistakes like this can shift your traffic and impair your reach. Fixing the problem quickly should be your top priority.

Definition of WordPress 502 bad gateway Error:

A WordPress 502 Bad Gateway Error is a general indicator that there’s something wrong with a website’s server communication. Since it’s just a generic error, it doesn’t actually tell you the website’s exact issue. When this happens, your website will serve an error web page to your site’s visitors.

Let’s dig deeper into the WordPress 502 Bad Gateway error and well offer five solutions you can try to fix the problem. 

Different Variations You Might See In The WordPress 502 Bad Gateway Error: 

There are different ways in which you might see 502 errors. Let’s have a look at the various messages that you might face due to the 502 error.

This error is also sometimes shown as :

•         HTTP Error 502- Bad Gateway
•         502 Proxy Error
•         502 Bad Gateway
•         502 Service Temporarily Overloaded
•         HTTP 502
•         502 Bad Gateway NGINX
•         Error 502

Causes of 502 Bad Gateway Error:

1. Origin Server Is not Working:

One of the reasons you might experience this error is that the server is not working properly. This means the server is not accessible; there can be many explanations for this, like, as either the server is down or there is a connectivity problem or there might be a very high amount of traffic on the server.

2. Domain Name:

Another reason for seeing a WordPress 502 Bad Gateway error is that the domain is not determining the right IP address. This usually occurs due to incorrect DNS records being set at the Domain hosting level. In case you have set,  you also have to keep in mind that changes in DNS can take time to propagate globally. This relies on various factors including time to live or TTL.

3. Block Request By Firewall:

The firewall is used to block the transmission between the servers. It is another common reason to face the 502 error. There is the possibility that your WordPress security plugins might block the communication between the servers or can even block your local or ISP IP. To rule this out, you can try accessing the site from a different Internet connection. Moreover, systems are over-sensitive that start blocking the requests from servers.

4. Failure of the Server:

You might experience a 502 error if the server has completely failed. It can be due to a system crash or sometimes the server is taken offline for maintenance or similar reasons. This can also be because the content of the server might be violating the server provider’s terms and conditions.

5. Error in Browser:

Sometimes, some browser extensions can also lead to errors while rendering the website, particularly Ad Block extensions. Apart from this, rare cases might cause the error due to the browser version being outdated.

How To Fix The WordPress 502 Bad Gateway Error?

There are numerous things that you can try to resolve this problem. Mostly, the 502 errors are the result of bugs in the PHP or the Server configuration or network errors among servers. There is nothing wrong with your computer or your internet connectivity.

In some cases, there might be a problem at your end with the browser, or your ISP or local IP might be blocked as mentioned earlier. By following these given fixeses you can resolve WordPress 502 Bad Gateway error problem.

Common Fixes of WordPress 502 Bad Gateway Error (For Users):

1. Refresh the webpage:

When experiencing a 502 error, there are chances that the server of the website might be overloaded with a higher amount of traffic than it cannot handle. If this is the case, you can try to fix this by simply refreshing the webpage.

Alternatively, you can also press the keys Ctrl + R or F5 to refresh/reload the page. This error means there is a networking error that is beyond your control, so it can be a temporary error while the server is getting a large amount of traffic or the server could be under a DDOS attack. By trying again in a while, you might not see this again.

2. Try in Incognito Mode:

Another way to fix this error is by starting a new Private or Incognito session in your browser. All you have to do is just close the existing tabs and open a new Private or Incognito window. If you experienced this error because of an issue on your browser, then starting your browser again in private mode should resolve the issue.

3. Clear the Cache Memory of your Browser:

There is a chance that the corrupted files stored on your browser might be causing a WordPress 502 Bad Gateway error. So, if you clear the cache of your browser, you might resolve this error. Moreover, you should remove the cookies from your browser. It can also help in resolving this error.

4. Try Another Browser:

You can try to use another browser such as Chrome, Safari, Firefox, and Internet Explorer. If you don’t see this error when you change your browser, this indicates that the problem was in the browser. You can even reinstall the browser to check if this resolves the problem.

5. Check Your DNS:

Another solution for this error is by checking your domains’ DNS records. Sometimes the Bad Gateway error is caused by problems associated with DNS records. If you have not changed the DNS records, then you can also check if the IP in the records is set correctly and if there is no typo

6. Restart Your Network Device:

First of all, You need to switch off the power supply of your internet modem. To do this, Unplug your internet modem and hold it up for 10 seconds. When its indicators are completely turned off,  You need to plug it in again and turn on the power on button and Wait for your computer to establish a connection again.

Common Fixes for WordPress 502 Bad Gateway Error ( For Developers):

As a developer, you can solve these issues by:

Check your server: You can determine whether your server is reachable or not by conducting a trace route or ping test on the server IP.

Check DNS: Another way to resolve this error is by checking if your fully qualified domain name is resolving properly or not, as mentioned above. You can use the DNS test tool for this purpose.

Clear Local DNS cache: You can also try to clear the DNS cache to see if this issue resolves or not. To do this you need to open your cmd prompt for windows users. 

Check Error Logs: You can also check the server or site error logs created on the server to check if there is any particular error being thrown on the server. Using this error you can then try and resolve the issue. If you are a WordPress user you need to add the following codes in your  wp-config.php

By doing this you will get all the information regarding the errors that have occurred due to any recently added application. And you will get all the causes of the errors which are produced by your website.

Check Plugins and themes on your WordPress: For WordPress sites, you can temporarily rename the wp-content/plugins folder to rule out any error due to any plugin on the site. In case the issue is not due to the plugins, you can also check for the theme by downloading the default WordPress theme and switching over to that. In case the site loads fine after activating the default theme, then the issue might be due to your theme.

Check your firewall: It is advised to check the firewall logs for an unusual block. Sometimes Firewalls also prevent or block sites. To overcome this issue you need to temporarily disable your firewalls and check whether the issue persists or is resolved.

Disable CDN Temporarily: Another reason could be that the server is being targeted by a DDOS attack. In such cases, you may use services like Fail2ban to try and block the attacking IPs or you can use CDN providers like Cloudflare, to mitigate any DDOS attacks on the server. On the other hand, sometimes the WordPress 502 Bad Gateway error also triggers due to an issue with your CDN or firewall itself

Contact your hosting provider: If none of the above-mentioned methods work, you have the last and most important step to take, to contact your hosting service provider for assistance

Therefore, you should not panic if you see 502 error Bad Gateway. It is an error that is related to a communication problem between the servers. By trying these solutions, you can get rid of this problem. In case this error continues for days, you can record the time and the version of your browser to submit a report to your hosting provider

Conclusion: 

As you can see from the above post, there are sufficient methods available combining both user and developer-friendly available, With the help of which you can troubleshoot and try to fix a WordPress 502 Bad Gateway error on your WordPress site.

Since this error triggers from the server side rather than the client side. It means the problem is not coming from either your website, computer, or internet connection. However, you should not forget to check out your third-party plugins or themes for bad codes or misconfigured files.

We hope the methods mentioned in this post to fix 502 bad gateway errors will help you to bring your website to normal just like it was before the error. 

We hope this article helped you to Fix Word Press 502 Bad Gateway Error! You may also want to see our complete list of guide on https://techtopoint.com/

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