[99s-extend] Cowboy + SSL

[e at bestmx.net]

reading the sources i have found that this crash i am trying to report 
is intended behavior,
but
it happens in the middle of the SHUTDOWN procedure!


I tried to investigate how a relx's release shuts down
and i have found it is merely one call to: init:stop/0
nothing else.

the manual says:

stop() -> ok

All applications are taken down smoothly, all code is unloaded, and all 
ports are closed before the system terminates. If the -heart command 
line flag was given, the heart program is terminated before the Erlang 
node terminates.

I end up totally clueless -- everything is rock solid yet it crashes.
maybe there is some clue in the sequence of shutting down applications?

does anything controls/defines that sequence?



On 01/19/2015 08:32 PM, e at bestmx.net wrote:
> Hello.
>
> i still have a problem with SSL.
> as soon as i change cowboy:start_http call to cowboy:start_https
> my release refuses to stop (when requested)
> and when i revert to "http" it starts and stops normally.
>
> i am sure it is the only difference: start_http vs. start_https
>
> i am using relx with default settings as it was provided by cowboy
> (Erlang R17, System: Debian "testing")
>
> here is my_app.erl:
>
> start(_Type, _Args) ->
>    Dispatch =
>    cowboy_router:compile([{'_', [{"/start", ws_handler, []}]}]),
>
>    cowboy:start_https( https, 100, [ {port, 8765}
>    , {cacertfile, ?Dir ++ "/ssl/cowboy-ca.crt"}
>    , {certfile, ?Dir ++ "/ssl/server.crt"}
>    , {keyfile, ?Dir ++ "/ssl/server.key"} ]
>    , [{env, [{dispatch, Dispatch}]}]),
>
>    online37_sup:start_link().
>
> stop(_State) -> ok.
>
>
> once i call:
> release/bin/my_release stop
>
> the erlang.log repeats hundreds of:
>
> =ERROR REPORT==== 19-Jan-2015::20:06:02 ===
> Error in process <0.234.0> on node 'online37 at 127.0.0.1' with exit value:
> {{case_clause,{error,closed}},[{ranch_acceptor,loop,3,[{file,"src/ranch_acceptor.erl"},{line,28}]}]}
>
>
>
> what could it be?
> any misconfiguration of my system (regarding ssl support)?
> what exactly does ranch expect from me?
>
>
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