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re: Ruby on Rails GraphQL API Tutorial: From 'rails new' to First Query VIEW POST

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re: Hi Isa, thanks for the great post. I was following it step by step, however for some reason I am running into an "ActionController::RoutingError (N...
 

Hi Jose-Xu! At which step are you seeing this error? I'd guess it's probably from trying to access localhost:3000/graphql in your browser? If so, I believe the issue is that the /graphql route only accepts a POST request.

Let me know which part you're getting that error at, and I'll see what I can do to help! :)

 

Hi Isa, I actually found my issues, as I typed something wrong in my query_type.rb file. Thanks for made it clear that I should not have expect localhost:3000/graphql to work in the browser!

Glad to hear it Jose-Xu, and well done!

I was recreating the API step-by-step, and thought the issue might be that the GraphQL gem's rails generate graphql:install wasn't auto-creating all the files it needed to--and that would've been a WAY BIGGER PROBLEM! Very happy it was something less drastic than that. :)

thank you so much for help again!!!!

 

Hi Isa, thanks for your reply, and sorry for the late reply, since I do not get any notifications. And yes the problem is exactly like what you said it appears as I trying to access localhost:3000/graphql. and it seems like it is getting a GET request. However in the route.rb I have wrote post "/graphql", to: "graphql#execute". Do you know if there are any other places that I might have made a mistake? Much appreciate!

Hi Jose-Xu, no problem at all on the late reply! :)

It might help to break down the expected behavior. When you say you are trying to access localhost:3000/graphql, do you mean:

  • you are trying to visit there in a browser and see something, or
  • you are trying to send a POST request with a GraphQL Query for a body?

The only way to access the endpoint at localhost:3000/graphql is by sending a POST request (in this tutorial's case, through Insomnia) and have the requests body be formatted as a GraphQL Query. So, trying to access localhost:3000/graphql from a browser will always return an error because it's never expecting a GET request.

On the other hand, if your issue is that you're getting errors with sending a POST request with a GraphQL Query body, then the issue is probably with the request body itself! Are you using Insomnia (or something similar, like Postman) to send the POST request? And if so, can you send a screenshot so we can look over it? :)

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