All about 502 Bad Gateway Error?

by Mia Mart I am a writer

All about 502 Bad Gateway Error

If you are running a WordPress website then by now you must have come across a situation in which you see an error message on screen displaying a 502 Bad Gateway Error. This situation can get very frustrating because this is one of the generic WordPress errors and the error message does not give any information about the cause of the error. This is a reason why the process of fixing this error is a little bit difficult. By now you must have started wondering what is this error all about and how can you fix that.

What is this error?

Error 502 bad gateway generally occurs when there is some issue in the communication with the webserver. Although the error message does not provide any clear information about the problem causing factor. There are a variety of reasons that can cause this error to appear on your website. One of the most common reasons is, the webserver gets overloaded. And another possible reason is, there can be some network issues between the two servers. Whatever the case is, this is a temporary error. There can be instances when an improper configuration of firewall can cause this error. And in some other cases, this error occurs when there is a coding error.

How to Fix?

The most important question is how to fix this error. There are a few different solutions that you can try to fix this problem. The solution depends on the reason for the error occurrence.

Refresh the page:

There can be instances when there are some connectivity issues with the webserver. And this can cause Error 502 - bad gateway. In this case, you can get rid of the problem only by refreshing the page. Just try to refresh the webpage and there are fair chances that this will fix the error and your website will get back to normal.

Check for connectivity issues with the server:

The majority of the websites are supported by multiple servers. And there are also a few websites that are supported by third-party hosting providers. If any of the web servers are down for maintenance purposes then the chances are high that HTTP Error 502 will occur on your website. In this case, you will have to wait for the server to finish its maintenance. Or if the error is being caused by some other issue with the server then you will have to wait for the server to fix that problem. You can also run a ping test to check whether the webserver is working fine or not.

Check for DNS changes:

If you have changed the webserver of your website then the chances are that this problem is being caused by the DNS changes. You should also check if the changes have taken full effect or not. In this case, you should wait for some time so that the error can disappear. Generally, this issue takes a few hours to get fixed. You will have to wait for the changes to the DNS server to take full effect so that you can get your website up and running.

Check the logs:

Another way to find out the reason for this error is to check the server logs thoroughly. These logs help you to know the health of your server. There are chances that you will find out any warnings or some other information about the error when you check the logs.

Find Improperly Configured Firewall:

The firewall adds an extra layer of protection to your website. This way your website gets protection against any malware or unauthorized access. If your website has a faulty firewall configuration then the chances are there that you will come across the HTTP Error 502. This happens because the firewall perceives every request from a content delivery network as an attack on the server. If you want to fix this issue then you should check the firewall configuration of your website.

Check the code for any errors:

There can be cases when you have a piece of code that is not written properly. And it can cause this error to occur on your website. To get rid of this error you have to check the code thoroughly and find out where the problem lies. You can perform a thorough debug process. This will help you to understand exactly when and where things started going wrong.

Contact the hosting provider:

If you are still not able to get rid of the error after trying all the possible solutions then the problem might lie with the hosting provider. In such a scenario, no matter what you do, the error message will remain there on your screen. In this case, it is always a good idea to contact the hosting service provider. This way you can easily get the problem fixed.

Wrapping Up!

Like every other HTTP error, the 502 Bad Gateway Error also causes a whole lot of inconvenience if it occurs on your website. Here we have explained everything about this error. What it is all about, what causes this error and how can you get rid of it. For your other issues related to WordPress like WordPress Landing Pages, WordPress Support also you can call us on 1-888-3O8-852O. We are available 24x7.

You can read more about:

What does 504 gateway timeout mean?

How to fix WordPress Speed Issues?

How to clear cache on WordPress?