Absinthe absolutely supports Elixir 1.7. However, you need one of the latest versions. @Hanums you should mix deps.update absinthe.

That’s why I posted above. Just wanted to add one more voice to the fact that Elixir 1.7.4 and Absinthe 1.3 combo leads to compilation errors. And that upgrading to 1.4 fixes it.

What Ben recommended to you is not Elixir-specific. It’s a Linux command.

Delete your _build and deps directories (at the root of your project) and then execute this:

mix do deps.get, compile

Oh you’re actually on Absinthe 1.3.2? That simply won’t work on 1.7.4. Elixir changed some details about how module attributes worked that absinthe was accidentally relying on. You need to upgrade to 1.4.13.

I have been using Absinthe 1.4 with Elixir > 1.7

Here is my dependencies (Do not use 1.4.0, prefer 1.4)

      {:ecto, "~> 3.0", override: true},
      #
      {:absinthe, "~> 1.4"},
      {:absinthe_plug, "~> 1.4"},
      {:absinthe_ecto, "~> 0.1.3"},
      {:absinthe_relay, "~> 1.4"},
      {:absinthe_phoenix, "~> 1.4"},

I am overriding ecto because absinthe_relay requires ecto 2, but that is not required if You don’t use relay.

At least You need one query inside the query block. For example, You can try this…

  query do
    field :hello, :string do
      resolve fn _, _ -> {:ok, "world!"} end
    end
  end

In graphiql, You can query

{
  hello
}

And this would be the result.

{
  "data": {
    "hello": "world!"
  }
}

Do not forget to specify the json encoder in your router…

  scope "/" do
    pipe_through :api

    # Note: downloaded from CDN!
    forward "/graphiql",
      Absinthe.Plug.GraphiQL,
      schema: GraphqlWeb.Schema,
      json_codec: Jason
  end