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From Damien Clark <damo.cla...@gmail.com>
Subject Re: [users@httpd] RE: Web sockets & proxypass - No protocol handler was valid for the URL
Date Thu, 07 Sep 2017 14:19:07 GMT

> On 7 Sep 2017, at 11:53 pm, Eric Covener <covener@gmail.com> wrote:
> 
>> 
>> I am wondering whether the use of a rewriterule with the “P” flag is the reason
the upgrade header hasn’t been included.  I wonder this because it is pretty widely reported
to work fine when using ProxyPass to ws uri.
>> 
> 
> I will have to look more later, but what's your exact httpd version? I
> think if Upgrade is not preserved it implies mod_proxy_http was used
> via either ProxyPass or some failure in mod_proxy_wstunnel taking over
> -- so LogLevel trace8 might help.

I have attached the complete log output as a plain text file, but I think this might be the
bit you are looking for (see below).  It appears mod_proxy_http handled the request via the
rewriterule with the ‘p’ flag.  To preserve the necessary headers, how might I force the
request to be handled by mod_proxy_wstunnel?  Or am I looking at this all wrong?

Thanks again Eric.

D.

[Fri Sep 08 00:09:26.808052 2017] [mpm_event:trace6] [pid 2078:tid 139884475877120] event.c(1434):
connections: 2 (clogged: 0 write-completion: 0 keep-alive: 0 lingering: 0 suspended: 0)
[Fri Sep 08 00:09:27.078989 2017] [proxy_http:error] [pid 2078:tid 139884492662528] (70007)The
timeout specified has expired: [client 119.18.39.57:53016] AH01102: error reading status line
from remote server localhost:3000, referer: http://buzzer.click/
[Fri Sep 08 00:09:27.079072 2017] [proxy:error] [pid 2078:tid 139884492662528] [client 119.18.39.57:53016]
AH00898: Error reading from remote server returned by /socket.io/, referer: http://buzzer.click/
[Fri Sep 08 00:09:27.601732 2017] [proxy_http:error] [pid 2078:tid 139884626945792] (70007)The
timeout specified has expired: [client 119.18.39.57:53019] AH01102: error reading status line
from remote server localhost:3000, referer: http://buzzer.click/
[Fri Sep 08 00:09:27.601795 2017] [proxy:error] [pid 2078:tid 139884626945792] [client 119.18.39.57:53019]
AH00898: Error reading from remote server returned by /socket.io/, referer: http://buzzer.click/


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