Failure after connecting to an Elixir node

[Szymon Mentel]

** Cowboy handler epl_3d_EPL terminating in websocket_handle/3
   for the reason error:undef
** Message was {text,<<"<6238.1374.0>">>}
** Options were []
** Handler state was undefined_state
** Request was [{socket,#Port<0.3495>},
                {transport,ranch_tcp},
                {connection,keepalive},
                {pid,<0.184.0>},
                {method,<<"GET">>},
                {version,'HTTP/1.1'},
                {peer,{{127,0,0,1},40159}},
                {host,<<"localhost">>},
                {host_info,undefined},
                {port,8000},
                {path,<<"/epl_3d_EPL">>},
                {path_info,undefined},
                {qs,<<>>},
                {qs_vals,undefined},
                {bindings,[]},
                {headers,[{<<"host">>,<<"localhost:8000">>},
                          {<<"connection">>,<<"Upgrade">>},
                          {<<"pragma">>,<<"no-cache">>},
                          {<<"cache-control">>,<<"no-cache">>},
                          {<<"upgrade">>,<<"websocket">>},
                          {<<"origin">>,<<"http://localhost:8000">>},
                          {<<"sec-websocket-version">>,<<"13">>},
                          {<<"user-agent">>,
                           <<"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36">>},
                          {<<"accept-encoding">>,
                           <<"gzip, deflate, sdch, br">>},
                          {<<"accept-language">>,
                           <<"en-US,en;q=0.8,pl;q=0.6">>},
                          {<<"cookie">>,
                           <<"user_id=a9cf3ecd-6b04-42bb-9e94-8b05c81f1c6f; _tide_key=SFMyNTY.g3QAAAABbQAAAAtfY3NyZl90b2tlbm0AAAAYdnc1RnJ0cCtZVVhnMHFhZ01RbFM4QT09.K1vMyMqaQDdK-gTu5_7NV-E2vsJFHS83WxgFKQl7qjA; menuPosition=right-menu">>},
                          {<<"sec-websocket-key">>,
                           <<"7UxEOOT70mx0CRJLhQfXLQ==">>},
                          {<<"sec-websocket-extensions">>,
                           <<"permessage-deflate; client_max_window_bits">>}]},
                {p_headers,[{<<"upgrade">>,[<<"websocket">>]},
                            {<<"connection">>,[<<"upgrade">>]}]},
                {cookies,undefined},
                {meta,[{websocket_version,13}]},
                {body_state,waiting},
                {multipart,undefined},
                {buffer,<<>>},
                {resp_compress,false},
                {resp_state,done},
                {resp_headers,[]},
                {resp_body,<<>>},
                {onresponse,undefined}]
** Stacktrace: [{epl,proplist_to_json,
                    [[{pid,<6238.1374.0>},
                      {current_function,{gen_server,loop,6}},
                      {initial_call,{proc_lib,init_p,5}},
                      {status,waiting},
                      {message_queue_len,0},
                      {messages,[]},
                      {links,
                          [<6238.1366.0>,<6238.1367.0>,#Port<6238.168573>,
                           <6238.1327.0>]},
                      {dictionary,
                          [{'$ancestors',
                               [<6238.1367.0>,'Elixir.Tide.Repo.Pool',
                                'Elixir.Tide.Repo','Elixir.Tide.Supervisor',
                                <6238.1363.0>]},
                           {'$initial_call',
                               {'Elixir.DBConnection.Connection',init,1}}]},
                      {trap_exit,false},
                      {error_handler,error_handler},
                      {priority,normal},
                      {group_leader,<6238.1362.0>},
                      {total_heap_size,4184},
                      {heap_size,2586},
                      {stack_size,9},
                      {reductions,536457},
                      {garbage_collection,
                          [{min_bin_vheap_size,46422},
                           {min_heap_size,233},
                           {fullsweep_after,65535},
                           {minor_gcs,1622}]},
                      {suspending,[]}]],
                    []},
                {epl_3d_EPL,websocket_handle,3,
                    [{file,"src/epl_3d_EPL.erl"},{line,60}]},
                {cowboy_websocket,handler_call,7,
                    [{file,"src/cowboy_websocket.erl"},{line,528}]},
                {cowboy_protocol,execute,4,
                    [{file,"src/cowboy_protocol.erl"},{line,522}]}]

[Michal Slaski]

Already fixed in erlanglab/epl_3d#1, please pull the latest deps and rebuild.

[Szymon Mentel]

The epl_3d version in the apps/epl/rebar.config has to be bumped appropriately.

[Michal Slaski]

Thanks, fixed.