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From Adam Teale <>
Subject [users@httpd] Web sockets & proxypass - No protocol handler was valid for the URL
Date Tue, 27 Dec 2016 13:39:39 GMT

I've been trying to setup a reverse proxy to a localhost websocket url.

ProxyPass /chat/stream/ wss://localhost:8000/chat/stream/
ProxyPassReverse /chat/stream/ wss://localhost:8000/chat/stream/

I get an error in the apache error_log that reads:

No protocol handler was valid for the URL /chat/stream/. If you are using a
DSO version of mod_proxy, make sure the proxy submodules are included in
the configuration using LoadModule.

I have read a lot of pages via google of people using this method so I
wonder if there is some issue in our setup/install of Apache that ships
with Mac OS X 10.11 & 5.2?

I have all the standard modules loaded in httpd_server_app.conf

LoadModule proxy_module libexec/apache2/
LoadModule proxy_http_module libexec/apache2/
LoadModule proxy_wstunnel_module libexec/apache2/

When I access the application running on localhost:8000 directly on the
server everything works fine

Any ideas what could be going on?


Apache 2.4.18, Mac OS X 10.11, 5.2

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