[edit] proxy_next_upstream

Syntax: proxy_next_upstream error | timeout | invalid_header | http_500 | http_502 | http_503 | http_504 | http_404 | off ...
Default: error timeout
Context: http
server
location
Reference: proxy_next_upstream


Directive determines in what cases the request will be transmitted to the next server:

Transferring the request to the next server is only possible when nothing has been transferred to the client -- that is, if an error or timeout arises in the middle of the transfer of the request, then it is not possible to retry the current request on a different server.


Module: HttpProxyModule