plug_error.ex

defmodule ApiEndpoint.Endpoint do
  # ....
  
  plug Absinthe.Plug,
    schema: ApiEndpoint.Schema
end

defmodule ApiEndpoint.Router do
  forward "/api/v2", Absinthe.Plug, schema: ApiEndpoint.Schema
end

defmodule ApiEndpoint.Schema do
  use Absinthe.Schema
  import_types Users.Types
  import_types Storages.Types

  query do
    field :storages, list_of(:storage) do
      resolve &Storages.StorageResolver.all/2
    end
    field :storage, type: :storage do
      arg :id, non_null(:id)
      resolve &Storages.StorageResolver.one/2
    end
    field :user, type: :user do
      arg :id, non_null(:id)
      resolve &Users.UserResolver.one/2
    end
  end
end

== Compilation error on file web/router.ex ==
** (ArgumentError) The supplied schema: ApiEndpoint.Schema is not a valid Absinthe Schema
    lib/absinthe/plug.ex:50: Absinthe.Plug.get_schema/1
    lib/absinthe/plug.ex:38: Absinthe.Plug.init/1
    (phoenix) lib/phoenix/router/route.ex:112: Phoenix.Router.Route.build_pipes/1
    (phoenix) lib/phoenix/router/route.ex:88: Phoenix.Router.Route.build_dispatch/2
    (phoenix) lib/phoenix/router/route.ex:56: Phoenix.Router.Route.exprs/1
    (phoenix) lib/phoenix/router.ex:281: Phoenix.Router."-MACRO-__before_compile__/2-fun-0-"/1
    (elixir) lib/enum.ex:1184: Enum."-map/2-lists^map/1-0-"/2
    (phoenix) expanding macro: Phoenix.Router.__before_compile__/1
    web/router.ex:1: ApiEndpoint.Router (module)
    (elixir) lib/kernel/parallel_compiler.ex:117: anonymous fn/4 in Kernel.ParallelCompiler.spawn_compilers/1