GraphiQL "subscriptionsClient.subscribe is not a function"

[RusticFlare]

The Bug

When I try to subscribe through GraphiQL I see this error:

My Setup

I have a schema

type Query {
    hello : String!
}

type Subscription {
    helloWorld : String!
}

and resolvers (in Kotlin)

import com.coxautodev.graphql.tools.GraphQLQueryResolver
import com.coxautodev.graphql.tools.GraphQLSubscriptionResolver
import org.reactivestreams.Publisher
import org.springframework.stereotype.Component
import reactor.core.publisher.Flux

@Component
class Query : GraphQLQueryResolver {
    fun hello() = "Hello World!"
}

@Component
class Subscription : GraphQLSubscriptionResolver {
    fun helloWorld(): Publisher<String> = Flux.just("Hello", "World!")
}

and dependencies in build.gradle

dependencies {
    compile 'com.graphql-java-kickstart:graphql-spring-boot-starter:5.7.0'
    runtime 'com.graphql-java-kickstart:graphiql-spring-boot-starter:5.7.0'
}

Extra Info

Queries Work

Subscriptions Work With Version 5.6.0

The last versions for subscriptions to work with GraphiQL seems to be 5.6.0:

dependencies {
    compile 'com.graphql-java-kickstart:graphql-spring-boot-starter:5.6.0'
    runtime 'com.graphql-java-kickstart:graphiql-spring-boot-starter:5.6.0'
}

[oliemansm]

Thanks for the report. It has to do with breaking changes in subscriptions-transport-ws, see also: apollographql/GraphiQL-Subscriptions-Fetcher#13. Until a fix is found and implemented either downgrade the GraphiQL version to use, or use Altair instead which does not have this problem.

[Selectorrr]

Any updates? We are stuck on graphiql version 0.11.11 but current is 0.13.0. As I understand the problem in the subscriptions-transport-ws library, can we freeze the version (0.8.3) of this library instead of the graphiql?
Or we can wait to be accepted this PR:
apollographql/GraphiQL-Subscriptions-Fetcher#18

[oliemansm]

The current version used is 0.13.0 along with 0.9.15 of subscription-transport-ws and I'm not seeing those errors anymore. So, it has been solved so it seems.

[krishofmans]

I was on 5.10.0 and still got the error, setting it back to 5.6.0 only for graphiql is our current workaround.

[Selectorrr]

The error still exists, it is necessary to reopen issue

[krishofmans]

I've retried this using 6.0.0 but I'm still having the same issue, If you want to have a look I can share the project's gitlab link.

You can test it here: https://poker.otd.rotate-it.be/graphiql
The code is also available: https://gitlab.rotate-it.be/tripled/poker

[mkaraula]

Can confirm. We are experiencing the same Issue on 6.0.1

[oliemansm]

I just tested this again with version 7.0.0 of this spring boot starter, and I'm not getting any errors. I ran it both from the example application in this library, and in one of my own projects. They used to fail before, but both run fine for me at this time.

I also see the websocket with subscriptions is started successfully including the keep alive messages.

I tried both with the embedded graphiql version, as well as with version 0.17.5 by setting the configuration:

graphiql.cdn.enabled=true
graphiql.cdn.version=0.17.5

Can you guys check if it's working for you now too? And otherwise there must be something in the configuration that's different that's causing it.