errors.erl

[error] 05:59:13.770 Error in process #PID<0.22274.1> on node :"core@10.0.2.143" with exit value:
{:function_clause,
[{:cowboy_protocol, :parse_method,
["",
{:state, #Port<0.52289>, :ranch_tcp, [:cowboy_router, :cowboy_handler],
false,
[listener: Core.Endpoint.HTTP,
dispatch: [{:_, [],
[{["ws", "v1", "client", "websocket"], [],
Phoenix.Endpoint.CowboyWebSocket,
{Phoenix.Transports.WebSocket,
{Core.Endpoint, Core.Client.Socket, :websocket}}},
{:_, [], Plug.Adapters.Cowboy.Handler, {Core.Endpoint, []}}]}]],
:undefined, :undefined, 5, 1, 100, 4096, 64, 4096, 100, 5000,
1490767158770}, "\\#ST\n"],
[file: '/home/ubuntu/core/deps/cowboy/src/cowboy_protocol.erl', line: 168]}]}


[error] 05:59:13.771 Ranch protocol #PID<0.22274.1> (:cowboy_protocol) of listener Core.Endpoint.HTTP terminated
** (exit) an exception was raised:
** (FunctionClauseError) no function clause matching in :cowboy_protocol.parse_method/3
(cowboy) /home/ubuntu/core/deps/cowboy/src/cowboy_protocol.erl:168: :cowboy_protocol.parse_method("", {:state, #Port<0.52289>, :ranch_tcp, [:cowboy_router, :cowboy_handler], false, [listener: Core.Endpoint.HTTP, dispatch: [{:_, [], [{["ws", "v1", "client", "websocket"], [], Phoenix.Endpoint.CowboyWebSocket, {Phoenix.Transports.WebSocket, {Core.Endpoint, Core.Client.Socket, :websocket}}}, {:_, [], Plug.Adapters.Cowboy.Handler, {Core.Endpoint, []}}]}]], :undefined, :undefined, 5, 1, 100, 4096, 64, 4096, 100, 5000, 1490767158770}, "\\#ST\n")