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<H1>[99s-extend] Cowboy + SSL</H1>
<B>Loïc Hoguin</B>
<A HREF="mailto:extend%40lists.ninenines.eu?Subject=Re%3A%20%5B99s-extend%5D%20Cowboy%20%2B%20SSL&In-Reply-To=%3C54C6170E.6030709%40ninenines.eu%3E"
TITLE="[99s-extend] Cowboy + SSL">essen at ninenines.eu
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<I>Mon Jan 26 11:29:34 CET 2015</I>
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<PRE>Hey, this is a known issue with recent Erlang versions:
<A HREF="https://github.com/ninenines/ranch/issues/90">https://github.com/ninenines/ranch/issues/90</A>
I don't have a good fix for it other than requiring ssl for using
Cowboy/Ranch. I probably will.
On 01/21/2015 07:28 PM, <A HREF="https://lists.ninenines.eu/listinfo/extend">e at bestmx.net</A> wrote:
><i> reading the sources i have found that this crash i am trying to report
</I>><i> is intended behavior,
</I>><i> but
</I>><i> it happens in the middle of the SHUTDOWN procedure!
</I>><i>
</I>><i>
</I>><i> I tried to investigate how a relx's release shuts down
</I>><i> and i have found it is merely one call to: init:stop/0
</I>><i> nothing else.
</I>><i>
</I>><i> the manual says:
</I>><i>
</I>><i> stop() -> ok
</I>><i>
</I>><i> All applications are taken down smoothly, all code is unloaded, and all
</I>><i> ports are closed before the system terminates. If the -heart command
</I>><i> line flag was given, the heart program is terminated before the Erlang
</I>><i> node terminates.
</I>><i>
</I>><i> I end up totally clueless -- everything is rock solid yet it crashes.
</I>><i> maybe there is some clue in the sequence of shutting down applications?
</I>><i>
</I>><i> does anything controls/defines that sequence?
</I>><i>
</I>><i>
</I>><i>
</I>><i> On 01/19/2015 08:32 PM, <A HREF="https://lists.ninenines.eu/listinfo/extend">e at bestmx.net</A> wrote:
</I>>><i> Hello.
</I>>><i>
</I>>><i> i still have a problem with SSL.
</I>>><i> as soon as i change cowboy:start_http call to cowboy:start_https
</I>>><i> my release refuses to stop (when requested)
</I>>><i> and when i revert to "http" it starts and stops normally.
</I>>><i>
</I>>><i> i am sure it is the only difference: start_http vs. start_https
</I>>><i>
</I>>><i> i am using relx with default settings as it was provided by cowboy
</I>>><i> (Erlang R17, System: Debian "testing")
</I>>><i>
</I>>><i> here is my_app.erl:
</I>>><i>
</I>>><i> start(_Type, _Args) ->
</I>>><i> Dispatch =
</I>>><i> cowboy_router:compile([{'_', [{"/start", ws_handler, []}]}]),
</I>>><i>
</I>>><i> cowboy:start_https( https, 100, [ {port, 8765}
</I>>><i> , {cacertfile, ?Dir ++ "/ssl/cowboy-ca.crt"}
</I>>><i> , {certfile, ?Dir ++ "/ssl/server.crt"}
</I>>><i> , {keyfile, ?Dir ++ "/ssl/server.key"} ]
</I>>><i> , [{env, [{dispatch, Dispatch}]}]),
</I>>><i>
</I>>><i> online37_sup:start_link().
</I>>><i>
</I>>><i> stop(_State) -> ok.
</I>>><i>
</I>>><i>
</I>>><i> once i call:
</I>>><i> release/bin/my_release stop
</I>>><i>
</I>>><i> the erlang.log repeats hundreds of:
</I>>><i>
</I>>><i> =ERROR REPORT==== 19-Jan-2015::20:06:02 ===
</I>>><i> Error in process <0.234.0> on node '<A HREF="https://lists.ninenines.eu/listinfo/extend">online37 at 127.0.0.1</A>' with exit value:
</I>>><i> {{case_clause,{error,closed}},[{ranch_acceptor,loop,3,[{file,"src/ranch_acceptor.erl"},{line,28}]}]}
</I>>><i>
</I>>><i>
</I>>><i>
</I>>><i>
</I>>><i> what could it be?
</I>>><i> any misconfiguration of my system (regarding ssl support)?
</I>>><i> what exactly does ranch expect from me?
</I>>><i>
</I>>><i>
</I>>><i> _______________________________________________
</I>>><i> Extend mailing list
</I>>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">Extend at lists.ninenines.eu</A>
</I>>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">https://lists.ninenines.eu/listinfo/extend</A>
</I>><i> _______________________________________________
</I>><i> Extend mailing list
</I>><i> <A HREF="https://lists.ninenines.eu/listinfo/extend">Extend at lists.ninenines.eu</A>
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</I>
--
Loïc Hoguin
<A HREF="http://ninenines.eu">http://ninenines.eu</A>
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