Exception: 504 Gateway Timeout// ERR_CONNECTION_CLOSED

A 504 Gateway Timeout error typically indicates that a server involved in processing the request did not receive a timely response from another server it was accessing while attempting to load the web page or perform another request by the browser. This error can be caused by various factors, including issues with the website/server, network problems, or browser configuration. Here are some steps you can take to troubleshoot and resolve the issue:

1. Reload the Page: Sometimes, the error may occur due to a temporary glitch. Try reloading the page by pressing Ctrl + R (or Cmd + R on Mac) to see if the issue persists.
2. Clear Browser Cache: Cached files or cookies in your browser may sometimes cause connection issues. Clear your browser’s cache and cookies, then try accessing the website again.
3. Try Another Browser: If the issue persists, try accessing the website using a different web browser to determine if the problem is specific to your current browser.
4. Check Your Internet Connection: Ensure that your internet connection is stable and working properly. You can try accessing other websites to confirm this.
5. Disable Browser Extensions: Browser extensions or add-ons can sometimes interfere with website connections. Try disabling any extensions you have installed and see if the issue resolves.
6. Restart Your Router: If you’re experiencing network issues, restarting your router or modem may help. Unplug it from the power source, wait for a few seconds, then plug it back in and wait for it to reboot.
7. Temporary Server Issue: The website you’re trying to access may be experiencing temporary server problems. In this case, there’s not much you can do except wait for the issue to be resolved on their end.
8. Check Firewall or Antivirus Settings: Sometimes, overly aggressive firewall or antivirus settings can block connections to certain websites. Temporarily disable your firewall or antivirus software and try accessing the website again.
9. Contact Website Support: If none of the above steps resolve the issue, and you’re certain it’s not a problem with your internet connection, then the problem may lie with the website itself. Contact the website’s support team for assistance.
10. Server Overload: The server that is acting as a gateway or proxy might be overloaded with requests, causing it to take longer than usual to process requests and return responses.
11. At times, restarting the Tomcat service can be necessary. This action is prompted when the Tomcat page becomes unresponsive due to an excessive number of connections.