gistfile1.txt

[error] GenServer #PID<0.664.0> terminating
** (FunctionClauseError) no function clause matching in Chat.MetadataChannel.handle_info/2
    (chat) web/channels/metadata_channel.ex:13: Chat.MetadataChannel.handle_info({:redix_pubsub, #PID<0.665.0>, #Reference<0.3467860231.2808610818.72062>, :subscribed, %{channel: "metadata"}}, %Phoenix.Socket{assigns: %{}, channel: Chat.MetadataChannel, channel_pid: #PID<0.664.0>, endpoint: Chat.Endpoint, handler: Chat.UserSocket, id: nil, join_ref: "138", joined: true, private: %{log_handle_in: :debug, log_join: :info}, pubsub_server: Chat.PubSub, ref: nil, serializer: Phoenix.Socket.V1.JSONSerializer, topic: "metadata", transport: :websocket, transport_pid: #PID<0.394.0>})
    (phoenix) lib/phoenix/channel/server.ex:304: Phoenix.Channel.Server.handle_info/2
    (stdlib) gen_server.erl:637: :gen_server.try_dispatch/4
    (stdlib) gen_server.erl:711: :gen_server.handle_msg/6
    (stdlib) proc_lib.erl:249: :proc_lib.init_p_do_apply/3
Last message: {:redix_pubsub, #PID<0.665.0>, #Reference<0.3467860231.2808610818.72062>, :subscribed, %{channel: "metadata"}}
State: %Phoenix.Socket{assigns: %{}, channel: Chat.MetadataChannel, channel_pid: #PID<0.664.0>, endpoint: Chat.Endpoint, handler: Chat.UserSocket, id: nil, join_ref: "138", joined: true, private: %{log_handle_in: :debug, log_join: :info}, pubsub_server: Chat.PubSub, ref: nil, serializer: Phoenix.Socket.V1.JSONSerializer, topic: "metadata", transport: :websocket, transport_pid: #PID<0.394.0>}

metadata_channel.ex

defmodule Chat.MetadataChannel do
  use Phoenix.Channel

  def join("metadata", message, socket) do
    {:ok, pubsub} = Redix.PubSub.start_link()

    Redix.PubSub.subscribe(pubsub, "metadata", self())

    {:ok, socket}
  end

  # Handle the message coming from the Redis PubSub channel
  def handle_info({:redix_pubsub, :message, message, redis_channel}, socket) do
    # do something with the message

    # Push the message back to the user over the channel topic
    # This assumes the message is already in a map
    broadcast! socket, "live_log_#{redis_channel}", message

    {:no_reply, socket}
  end

  def handle_info({:redix_pubsub, pid, ref, :subscribed, channel}, socket) do
    # do something with the message

    # Push the message back to the user over the channel topic
    # This assumes the message is already in a map
    broadcast! socket, "live_log_#{redis_channel}", message

    {:no_reply, socket}
  end
end