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502
Bad Gateway
Description
A large web site may have many servers that are interconnected. Something went wrong between these mutliple servers. It may also be an indication the web site is overloaded or there is a problem with one of the servers.
Some web servers provide additional information and/or a secondary error number. For example, 502.1. If this occurs, check the Internet solutions list for for a better explanation and solution.
Examples
Server Error
502 - Web server received an invalid response while acting as a gateway or proxy server.
There is a problem with the page you are looking for, and it cannot be displayed. When the Web server (while acting as a gateway or proxy) contacted the upstream content server, it received an invalid response from the content server.
Bad Gateway
Web server received an invalid response while acting as a gateway or proxy server.
Web Server at ...
Error messages will differ depending on the web server and if replaced by the web site designers.
Occurrences
Frequency is relative to other Internet warnings and errors.
Solutions and Fixes
This issue can only be fixed by the web site owner.
Undefined solution - please let the webmaster know about this issue. [later_time2
cached-13]
Solution 2 of 2 - Notify Webmaster
46
You might notify the webmaster about the issue. Include the error number and the address (URL) where the error occurred along with any other relevant details.
Many sites use an email address in the form webmaster@sitename.com where you replace sitename.com with the web sites address (don't include a www). Keep in mind with the amount of spam, they may use a different address and/or it might get ignored. Check the websites' contact information to get reliable contact information.
Official Explanation
The server, while acting as a gateway or proxy, received an invalid response from the upstream server it accessed in attempting to fulfill the request.
"502 Bad Gateway" is supported by most Web Servers.
The five hundred series of errors indicate something is wrong at the server and it is unable to complete the action.
While we believe this information up to date and accurate, FAQware is not responsible for any inaccuracies. If you find something that is out of date or inaccurate, please let us know at
so we can correct it.
