In other words, using a proxy server places an intermediary between the user’s browser and the website’s server. Temporarily Disable Your Content Delivery Network (CDN)Įarlier, we mentioned that your browser requests will sometimes be routed through a reverse proxy server. For more information on clearing the cache, you can find it over at Hubspot’s hub page on the topic. If the error persists, it’s time to get serious. When you have cleared the cache, try reloading your website once more. This same process can also be completed using Firefox, Safari, Internet Explorer, and just about any other browser. Keep in mind that this menu will also delete your browsing history, if you don’t disable that setting before clicking on the Clear Data button. Look for the Cached Images and Files option under the Basic tab, and click on Clear Data after selecting it. Chrome users can do this by navigating to the Settings > Advanced menu, and locating the Clear Browsing Data option: ![]() If all of the above fails, you should proceed to empty your browser’s cache manually. Especially if you’re using the Forced Reload via Shift-CTRL-R on Windows or Shift-CMD-R on Mac. Simply reloading the site a few times can often do the trick. This occurs if your browser is relying on its cache, rather than loading the latest version of your site from the server. The 502 error can appear when you try to access your website, even if the underlying problem has been resolved. ![]() If you find that neither solution solves the problem, however, you can use the following methods to troubleshoot the 502 error. These are basic fixes that can sometimes make the 502 error go away, and they’re easy enough to tackle on your own. You should also try resetting your router, and checking your Domain Name System (DNS) settings. If not, this is when you may want to get in touch with your hosting provider. If it is, then the problem is probably on your end. You can try running a traceroute, to see if your server is reachable in the first place. How to Fix the 502 Bad Gateway Errorīefore you shift into troubleshooting mode, there’s one quick test you can run to determine if your server is responding as it should. Most websites can’t afford to be down for hours at a time, after all, so if this error persists it’s time to start troubleshooting on your end. With that in mind, we’re going to focus on what to do if the 502 bad gateway error doesn’t go away on its own quickly. You should make sure to contact your host’s support team as soon as possible after receiving the notice that your site is affected by a 502 error. In these cases, your hosting provider will usually jump to the rescue quickly (since clients tend not to appreciate downtime). The good news is that if the problem is server-side, you may not need to take any action. Faulty PHP scripts, courtesy of one of your plugins or themes.A problem with your reverse proxy server. ![]() Perhaps a DDOS attack, or even just a larger-than-intended spike in traffic. The server is overloaded with too many requests.A server that is timed out, currently unavailable, or just not working as intended.A lot of websites also use multiple servers, which complicates things even further since any of them could be the cause of the 502 error.Īll of this means there are a few potential causes for this particular error code. For example, your browser’s request might get routed through a proxy server before making its way to the host in question, so it can be hard to pinpoint where the issue is located. ![]() However, the connection between your browser and most websites isn’t as straightforward as it used to be. The HyperText Transfer Protocol (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. This can mean that the connection timed out, or can be the result of several other issues.įrom the Mozilla Developer Network, the official definition is: On the other hand, the 502 bad gateway error occurs when a server sends back an ‘invalid’ response. If everything is working properly, that server will send back the information your browser asked for, and the website will load. When you visit a website, your browser sends one or more requests to the server that hosts the site. The 502 bad gateway error pops up from time to time, and often means there’s a problem with your server.
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