nihalgonsalves / apollo-server-issue3859

Bug Reproduction

apollo-server-issue3859

Start

npm install
npm start

Open the Gateway playground at http://localhost:4000/

Queries:

• ✅ OK:

  {
  serviceAQueryReturningBType(ids: ["should-exist"]) {
      id
      someFieldFromB
      extendedByServiceA
  }
  }
  ``
  

• 🚫 NOT OK:

  {
  serviceAQueryReturningBType(ids: ["should-not-exist"]) {
      id
      someFieldFromB
      extendedByServiceA
  }
  }

  Error:

  {
      "errors": [
          {
              "message": "Field \"someFieldFromB\" was not found in response.",
              "extensions": {
                  "code": "INTERNAL_SERVER_ERROR"
              }
          }
      ]
  }