[erlang-questions] noproc gen_server cowboy

Björn-Egil Dahlberg wallentin.dahlberg@REDACTED
Wed May 14 02:36:15 CEST 2014


Oh no .. trouble in paradise.

I see the same duplication problem here (nice catch Erik),

1> <<I1:32,I2:32>> = <<15990163246731:64>>, {I1,I2}.
{3723,3723}

Which leads me to think there is a problem in int efile_fileinfo(...) with
the highs and lows.






2014-05-14 0:02 GMT+02:00 Ahmad Baitalmal <ahmad@REDACTED>:

> Thanks Erik,
>
> I did a bit more digging, The call for file:read_file_info in
> cowboy_static.erl is returning this:
>
> {ok,{file_info,15990163246731,regular,read_write,
>                {{2014,5,13},{20,51,46}},
>                {{2014,5,9},{19,57,47}},
>                {{2014,5,13},{19,46,18}},
>                33188,1,2049,0,1704124,0,0}}
>
> The file is only 3723 bytes. I verified this also on an erl shell. Same
> result.
>
> So it looks like something is up in kernel-3.0/file.erl when running on a
> mipsel chip.
>
> Everything else is working, except for this file size issue. Oh and the
> body is empty.
>
> For now, I plan on using an onresponse hook to load up the file and fix
> the content-length as it goes out. :( Not ideal...
>
> ______________
> *Ahmad Baitalmal*
> *CEO & Co-Founder*
> *BitBuilder.com <http://BitBuilder.com>*
> 650.539.9401
>
> On May 13, 2014, at 1:13 AM, Erik Søe Sørensen <eriksoe@REDACTED> wrote:
>
> It's not just a reverse-endian'ed size...
> 458453399216374 = 0x'0001'A0F6'0001'A0F6 -- weird duplication...
> (0x1A0F6 = 106742 = 104.2KB, so that part fits.)
>
>
> 2014-05-13 1:10 GMT+02:00 Ahmad Baitalmal <ahmad@REDACTED>:
>
>> Thanks Loïc,
>>
>> It now runs and I can connect. I thought I read somewhere that relx
>> automatically started the related apps. I guess it doesn't always.
>>
>> There is something wrong still, I'm getting this error for all files in
>> the browser.
>> net::ERR_CONTENT_LENGTH_MISMATCH
>>
>> I checked the headers and cowboy is reporting the header "
>> *Content-Length:* 458453399216374" for a file that is only 104K.
>>
>> Could this be a problem with cowboy running on a little-endian machine
>> (mipsel)?
>>
>> Thanks,
>>
>>
>> On Sun, May 11, 2014 at 10:32 PM, Loïc Hoguin <essen@REDACTED> wrote:
>>
>>> You didn't start the cowboy dependencies, I'm not sure how it could have
>>> worked on your Mac. Cowboy requires crypto, cowlib and ranch to be started
>>> to run. Try application:ensure_all_started(cowboy) instead and it'll do
>>> that for you.
>>>
>>>
>>> On 05/12/2014 02:20 AM, Ahmad Baitalmal wrote:
>>>
>>>> Hi,
>>>> Im going crazy trying to solve this.
>>>>
>>>> Works on my Mac, but when I copy to a linux router (OpenWRT, R17, cowboy
>>>> 0.9.0) it give me the error below.
>>>> Is this a cowboy or erlang gen_server issue?
>>>> I tried http, same result. So it's not an ssl issue. I can't tell what
>>>> the error is...
>>>>
>>>>
>>>> % --------------------- This is my app code that starts cowboy
>>>> -module(onion_app).
>>>> -behavior(application).
>>>> -export([start/2]).
>>>> -export([stop/0]).
>>>> -export([stop/1]).
>>>> -include("common.hrl").
>>>>
>>>> start(_Type, _Args) ->
>>>>    application:start(cowboy),
>>>>    Dispatch = cowboy_router:compile([
>>>>      {'_', [
>>>>        {"/",       cowboy_static,   {priv_file, onion ,"index.html"}},
>>>>        {"/[...]",  cowboy_static,   {priv_dir, onion , ""}}
>>>>      ]}
>>>>    ]),
>>>>    RootDir = code:root_dir(),
>>>>    Port = 443,
>>>>    cowboy:start_https(my_https_listener, 10,[
>>>>        {port, Port},
>>>>        {certfile, RootDir ++ "/ssl/onion.crt"},
>>>>        {keyfile, RootDir ++ "/ssl/onion.key"}
>>>>      ],
>>>>      [
>>>>        {env, [{dispatch, Dispatch}]}
>>>>      ]
>>>>    )
>>>>    onion_sup:start_link().
>>>> stop(_State) ->
>>>>    ok.
>>>>
>>>>
>>>> % --------------------- I'm getting this error :(
>>>> Exec: /mnt/sda1/onion/erts-6.0/bin/erlexec -boot
>>>> /mnt/sda1/onion/releases/1/onion -env ERL_LIBS
>>>> /mnt/sda1/onion/releases/1/lib -config
>>>> /mnt/sda1/onion/releases/1/sys.config -args_file
>>>> /mnt/sda1/onion/releases/1/vm.args -- console
>>>>
>>>> =INFO REPORT==== 11-May-2014::03:45:55 ===
>>>>      application: onion
>>>>      exited: {bad_return,
>>>>               {{onion_app,start,[normal,[]]},
>>>>                {'EXIT',
>>>>                 {noproc,
>>>>                  {gen_server,call,
>>>>                   [ranch_sup,
>>>>                    {start_child,
>>>>                     {{ranch_listener_sup,my_https_listener},
>>>>                      {ranch_listener_sup,start_link,
>>>>                       [my_https_listener,10,ranch_ssl,
>>>>                        [{port,443},
>>>>                         {certfile,"/mnt/sda1/onion/ssl/onion.crt"},
>>>>                         {keyfile,"/mnt/sda1/onion/ssl/onion.key"}],
>>>>                        cowboy_protocol,
>>>>                        [{env,
>>>>                          [{dispatch,
>>>>                            [{'_',[],
>>>>                              [{[],[],cowboy_static,
>>>>                                {priv_file,onion,"index.html"}},
>>>>                               {[<<"tomato">>,'...'],[],
>>>> tomato,[tomato]},
>>>>                               {['...'],
>>>>                                [],cowboy_static,
>>>>                                {priv_dir,onion,[]}}]}]}]}]]},
>>>>                      permanent,5000,supervisor,
>>>>                      [ranch_listener_sup]}},
>>>>                    infinity]}}}}}
>>>>      type: permanent
>>>> Eshell V6.0  (abort with ^G)
>>>> (onion@REDACTED)1> {"Kernel pid
>>>> terminated",application_controller,"{application_
>>>> start_failure,onion,{bad_return,{{onion_app,start,[
>>>> normal,[]]},{'EXIT',{noproc,{gen_server,call,[ranch_sup,{
>>>> start_child,{{ranch_listener_sup,my_https_listener},{ranch_
>>>> listener_sup,start_link,[my_https_listener,10,ranch_ssl,[{
>>>> port,443},{certfile,\"/mnt/sda1/onion/ssl/onion.crt\"},{
>>>> keyfile,\"/mnt/sda1/onion/ssl/onion.key\"}],cowboy_protocol,
>>>> [{env,[{dispatch,[{'_',[],[{[],[],cowboy_static,{priv_file,
>>>> onion,\"index.html\"}},{['...'],[],cowboy_static,{priv_dir,
>>>> onion,[]}}]}]}]}]]},permanent,5000,supervisor,[ranch_
>>>> listener_sup]}},infinity]}}}}}}"}
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> --
>>>> Ahmad
>>>> ___________
>>>> 650.539.9395
>>>>
>>>> Sent from my iPhon
>>>>
>>>>
>>>> _______________________________________________
>>>> erlang-questions mailing list
>>>> erlang-questions@REDACTED
>>>> http://erlang.org/mailman/listinfo/erlang-questions
>>>>
>>>>
>>> --
>>> Loïc Hoguin
>>> http://ninenines.eu
>>>
>>
>>
>>
>> --
>> Ahmad
>> ___________
>> 650.539.9395
>>
>> Sent from my iPhone
>>
>> _______________________________________________
>> erlang-questions mailing list
>> erlang-questions@REDACTED
>> http://erlang.org/mailman/listinfo/erlang-questions
>>
>>
>
>
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