Spring Boot GraphQL: Expected type to be a GraphQLInputType, but it wasn't

Question

I am trying to set up a GraphQL endpoint in Spring Boot, and when I try to run my App, I get the following error:

Expected type 'Order' to be a GraphQLInputType, but it wasn't! Was a type only permitted for object types incorrectly used as an input type, or vice-versa?

Here is my models.graphqls:

type Order {
    id: String!
    storeOrderId: String
    connectionId: String
}

type Mutation {
    createOrder(order: Order): Order
}

Joey · Accepted Answer · 2022-02-14 22:49:37Z

1

This is happening because you're trying to use a type for an input, which isn't allowed.

type Order {

Should be...

input Order {

So that the whole thing looks like:

I am trying to set up a GraphQL endpoint in Spring Boot, and when I try to run my App, I get the following error:

Expected type 'Order' to be a GraphQLInputType, but it wasn't! Was a type only permitted for object types incorrectly used as an input type, or vice-versa?

Here is my models.graphqls:

input Order {
    id: String!
    storeOrderId: String
    connectionId: String
}

type Mutation {
    createOrder(order: Order): Order
}

answered Feb 14, 2022 at 22:49

Joey

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Comments

Ldbmcs · Accepted Answer · 2022-03-30 03:15:57Z

0

if it still does't work after use a input type, There may be other problems here.

the input java types should have public getters,
the input java types should also implement Serializable interface

answered Mar 30, 2022 at 3:15

Ldbmcs

1

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