Phoenix 1.3.0-rc1 exits in GenServer.call

Phoenix Forum Questions / Help
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Hi,

I’m trying to deploy a Phoenix 1.3.0-rc1 to Heroku.

It builds properly but I’m unable to access the website. It might be useful to notice that I’m able to access the app while running Phoenix on my machine.

Also worth noticing that I’m using SSL.

This is $ heroku logs --tail output:

2017-03-31T01:45:15.876452+00:00 app[api]: Release v14 created by user me@jonathansoifer.com
2017-03-31T01:44:31.000000+00:00 app[api]: Build succeeded
2017-03-31T01:45:21.350931+00:00 heroku[web.1]: Starting process with command `MIX_ENV=prod mix phx.server`
2017-03-31T01:45:23.798042+00:00 app[web.1]:     exited: {{shutdown,
2017-03-31T01:45:23.798041+00:00 app[web.1]:     application: customer_acquisition
2017-03-31T01:45:23.798015+00:00 app[web.1]:
2017-03-31T01:45:23.798040+00:00 app[web.1]: =INFO REPORT==== 31-Mar-2017::01:45:23 ===
2017-03-31T01:45:23.798042+00:00 app[web.1]:               {failed_to_start_child,
2017-03-31T01:45:23.798043+00:00 app[web.1]:                'Elixir.CustomerAcquisition.Web.Endpoint',
2017-03-31T01:45:23.798044+00:00 app[web.1]:                {shutdown,
2017-03-31T01:45:23.798051+00:00 app[web.1]:                 {failed_to_start_child,'Elixir.Phoenix.Endpoint.Handler',
2017-03-31T01:45:23.798052+00:00 app[web.1]:                  {shutdown,
2017-03-31T01:45:23.798053+00:00 app[web.1]:                    {ranch_listener_sup,
2017-03-31T01:45:23.798053+00:00 app[web.1]:                   {failed_to_start_child,
2017-03-31T01:45:23.798054+00:00 app[web.1]:                     'Elixir.CustomerAcquisition.Web.Endpoint.HTTP'},
2017-03-31T01:45:23.798054+00:00 app[web.1]:                    {'EXIT',
2017-03-31T01:45:23.798055+00:00 app[web.1]:                     {noproc,
2017-03-31T01:45:23.798056+00:00 app[web.1]:                      {gen_server,call,
2017-03-31T01:45:23.798057+00:00 app[web.1]:                        {set_new_listener_opts,
2017-03-31T01:45:23.798056+00:00 app[web.1]:                       [ranch_server,
2017-03-31T01:45:23.798058+00:00 app[web.1]:                         'Elixir.CustomerAcquisition.Web.Endpoint.HTTP',16384,
2017-03-31T01:45:23.798058+00:00 app[web.1]:                         [{env,
2017-03-31T01:45:23.798059+00:00 app[web.1]:                           [{dispatch,
2017-03-31T01:45:23.798060+00:00 app[web.1]:                             [{'_',[],
2017-03-31T01:45:23.798060+00:00 app[web.1]:                               [{[<<"socket">>,<<"websocket">>],
2017-03-31T01:45:23.798061+00:00 app[web.1]:                                 [],'Elixir.Phoenix.Endpoint.CowboyWebSocket',
2017-03-31T01:45:23.798062+00:00 app[web.1]:                                 {'Elixir.Phoenix.Transports.WebSocket',
2017-03-31T01:45:23.798062+00:00 app[web.1]:                                  {'Elixir.CustomerAcquisition.Web.Endpoint',
2017-03-31T01:45:23.798063+00:00 app[web.1]:                                   'Elixir.CustomerAcquisition.Web.UserSocket',
2017-03-31T01:45:23.798063+00:00 app[web.1]:                                   websocket}}},
2017-03-31T01:45:23.798064+00:00 app[web.1]:                                {'_',[],'Elixir.Plug.Adapters.Cowboy.Handler',
2017-03-31T01:45:23.798064+00:00 app[web.1]:                                 {'Elixir.CustomerAcquisition.Web.Endpoint',
2017-03-31T01:45:23.798065+00:00 app[web.1]:                                  []}}]}]}]}]}]}}}}}}}}},
2017-03-31T01:45:23.798066+00:00 app[web.1]:              {'Elixir.CustomerAcquisition.Application',start,[normal,[]]}}
2017-03-31T01:45:23.798066+00:00 app[web.1]:     type: permanent
2017-03-31T01:45:23.870799+00:00 app[web.1]: ** (exit) exited in: GenServer.call(Mix.State, {:get, {Map, :get, [:debug, false]}}, 5000)
2017-03-31T01:45:23.870801+00:00 app[web.1]:     ** (EXIT) no process
2017-03-31T01:45:23.870802+00:00 app[web.1]:     (elixir) lib/gen_server.ex:596: GenServer.call/3
2017-03-31T01:45:23.870803+00:00 app[web.1]:     (mix) lib/mix/cli.ex:65: Mix.CLI.run_task/2
2017-03-31T01:45:23.870804+00:00 app[web.1]:     (elixir) lib/code.ex:363: Code.require_file/2
2017-03-31T01:45:23.870804+00:00 app[web.1]:
2017-03-31T01:45:23.870999+00:00 app[web.1]: {"init terminating in do_boot",{noproc,{gen_server,call,[elixir_config,{get_and_put,at_exit,[]}]}}}
2017-03-31T01:45:23.871019+00:00 app[web.1]: init terminating in do_boot ()
2017-03-31T01:45:23.871288+00:00 app[web.1]:
2017-03-31T01:45:25.175329+00:00 app[web.1]: Crash dump is being written to: erl_crash.dump...done
2017-03-31T01:45:25.225434+00:00 heroku[web.1]: Process exited with status 1
2017-03-31T01:45:25.238818+00:00 heroku[web.1]: State changed from starting to crashed
2017-03-31T01:45:33.319992+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/" host=liberty.ai request_id=2de26102-043c-4635-aee0-df1c0f812fd1 fwd="191.183.100.215,172.68.25.249" dyno= connect= service= status=503 bytes= protocol=http
2017-03-31T01:45:33.968974+00:00 heroku[router]: at=error code=H10 desc="App crashed" method=GET path="/favicon.ico" host=liberty.ai request_id=f3f5e957-5796-4354-ade2-69bd7bc60c84 fwd="191.183.100.215,172.68.27.167" dyno= connect= service= status=503 bytes= protocol=http

Any help is appreciated.

1 Like
2

Are you calling a Mix function in your code? Remember that mix exists only at the compiler phase, you don’t have mix in a running production app.

1 Like
3

On a first glance the stacktrace looks as if an dependent application hasn’t been properly started.

Please show us the application/0 from your mix.exs and your list of deps from the same file.

1 Like
6

The mistake was that I was trying to run an rc1 application backporting to Elixir ~> 1.3 (because of Heroku’s limitation).

rc1 needs Elixir ~> 1.4

1 Like
7

As far as I understand the bug report you made, elixir 1.4 were not available at heroku, but there is also Phoenix1.3 heroku project compiles but Application error where the logs seem to suggest that 1.4 is actually used.

2 Likes
8

You’re right. I found out that later, thanks for pointing that out.

1 Like