jackson deserialisation error

[mmaryo]

Hello

Library Version
Kotlin 1.4.0
Quarkus 1.8.1.Final
graphql-kotlin 4.0.0-alpha.4

Describe the bug
There is a bug while deserialize response with Jackson

To Reproduce

There an exemple in the repo https://github.com/mmaryo/test-graphql-kotlin

This is a simple Graphql

type Query {
    pairs: [Pair!]!
}
query UniswapPairTop100Query {
    pairs {
        id
    }
}
type Pair {
    id: ID!
}

And the code
(run the classe in test folder)

val client = (URL(apiUrl))
runBlocking {
    val pairsTop100 = uniswapClient.pairsTop100()
    println(pairsTop100)
}

And the result

com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Strange Map type java.util.Map: cannot determine type parameters
 at [Source: (String)"{"errors":[{"locations":[{"line":1,"column":1}],"message":"Unexpected `type[Name]`\nExpected `{`, `query`, `mutation`, `subscription` or `fragment`"}]}"; line: 1, column: 1]

	at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:62)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerFactory.buildBeanDeserializer(BeanDeserializerFactory.java:227)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerFactory.createBeanDeserializer(BeanDeserializerFactory.java:143)
	at com.fasterxml.jackson.databind.deser.DeserializerCache._createDeserializer2(DeserializerCache.java:414)

[dariuszkuc]

Sounds like an issue with Jackson -> see quarkusio/quarkus#11549, FasterXML/jackson-module-kotlin#356 and #850

Try explicitly downgrading Jackson to 2.11.1 that might help.

Closing as duplicate of #850