Web browser errors are very common thing while visiting any website. There are numerous situations when users occurred with HTTP errors. Whenever users visit any website web browser sends request to a web server. The web server response back with requested webpage. Depending on the condition it might throw some errors. The web browser error are thrive in code 500, 501, 502, 503, 504, 520. But we will only discuss about 502 gateway error. Typically HTTP code only occurs when server disapproves web browser request. Below are the reasons for throwing 502 error.
Reasons for 502 Gateway Error: -
- Server Overloads – Server overloads occurs when memory resources are exhausted. Such overloads causes when higher amount of visitors visiting your website. Exhausting of memory causes negative impact to your website.
- Blocked by firewall – Firewall are very necessary because of ongoing cyber-attacks. Because of high amount of cyber-attacks, firewalls needs to put strict security policies. That’s why firewall blocks unnecessary request. Sometime legitimate requests are also rejected. Because some firewalls cannot handle high amount of request and becomes unstable. But with time firewalls are changing and evolving with machine learning.
- Logical Error – Programming is another reason for 502 gateway error. While writing large code lines, you might encounter with lots of error. Sometimes developer forgot to debug all the errors. That’s why logical error occurs and you might get response of 502 bad gateway.
- Network Problems – Web traffic routing problems occurs because of large web traffic congestion. Heavy web traffic also causes to show 502 bad gateway.
- Connection Timeout – When server takes long time to reply and request get delayed from a requested device. Connection timeout are the common reason for 502 bad gateway.
- Domain Name does not resolve – The requested domain name is not resolving to any IP address. After making changes in DNS. You might find 502 bad gateway.
- Server Down – The requested URL running on server might
not available. Or server could be down.
How to fix 502 bad gateway?
- Clean Web Browser Cache – Cleaning web browser helps in fixing 502 bad gateway. Sometimes web browser cache and cookies do not let website to connect with server. While opening webpage, sometimes cookies get corrupted. Go to web browser history and clean all history.
- Refreshing You Webpage – If webpage is still not opening. Wait for around 2-3 minutes and then try to refresh webpage.
- Different Web Browser – Use different web browser to open webpage. This will rule out option for 502 bad gateway error.
- Flush DNS – Sometimes DNS settings got corrupted in the operating system. Open CMD as administrator type ipconfig /flushdns. This will flush all the DNS.
- Use Another Device – If still website is not opening. Use another device to avoid any errors.
- Check Web
Browser Settings – Make sure
to check any unnecessary web extensions. Disable and delete unnecessary web
extensions.
Conclusion: -
502 bad gateway is very error occurs frequently. There are
different ways to resolve 502 issue. Follow above steps to stop 502 bad gateway
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