Error 502 – Web server received an invalid response while acting as a gateway or proxy server


I saw this error some time ago while working on an eCommerce solution. 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. Redirect/move happens like it should, but after approximatively 2 minutes after posting an order the user receives an http error 502.
The order is correctly processed by SAP but the web applications is built in a way that the user is getting a confirmation page when the order is processed: this page is never presented to the user due to the 502 error.

FREB gave us further details about the error: 502.3, 2147954417 which translates into ERROR_INTERNET_OPERATION_CANCELLED.

This lead me to this post which describes a different error but based on the same principle and the solution still applies to our scenario: we increased the proxy timeout to 5 minutes to accommodate all reasonably long running requests and the problem was solved.

appcmd.exe set config  -section:system.webServer/proxy /timeout:"00:05:00"  /commit:apphost

 

 

Carlo

It’s not the size of the dog in the fight, it’s the size of the fight in the dog.

Mark Twain

Comments (2)

  1. Web server received an invalid response while acting as a gateway or proxy server. says:

    Web server received an invalid response while acting as a gateway or proxy server.

  2. monynhavicente@hotmail.com says:

    nao estou conseguindo entrar no meu face…..