I am trying to enable configuration cache in our p...

# apollo-kotlin

[Stylianos Gakis]

I am trying to enable configuration cache in our project, and through one of our discussions in here some time ago, I have this code https://github.com/HedvigInsurance/android/blob/e37734cb47bf26aa9e172a99adad5b7817[…]uild-logic/convention/src/main/kotlin/ApolloConventionPlugin.kt in a convention plugin we have to download both of our 2 schemas.
Thing is, trying to run it now with configuration cache on, I get an error and I am trying to understand if it’s me who’s doing something wrong, or if there’s something that’s on apollo-kotlin side

[Stylianos Gakis]

Oh actually just running ./gradlew :apollo:giraffe:downloadGiraffeApolloSchemaFromIntrospection which is the automatically generated task, I also get the error

Configuration cache problems found in this build.

1 problem was found storing the configuration cache.
- Task `:apollo:giraffe:downloadGiraffeApolloSchemaFromIntrospection` of type `com.apollographql.apollo3.gradle.internal.ApolloDownloadSchemaTask`: cannot serialize object of type 'org.gradle.api.internal.project.DefaultProject', a subtype of 'org.gradle.api.Project', as these are not supported with the configuration cache.
  See <https://docs.gradle.org/8.0.2/userguide/configuration_cache.html#config_cache:requirements:disallowed_types>

[mbonnin]

That's a bug. Can you open an issue?

[Stylianos Gakis]

Yes, I’ll make one asap.
For now, I can make it run with --no-configuration-cache actually, so that’s good. Do you know if I can somehow embed that in the task itself too, or if it’s just gonna be on me to run it by passing the right flag, and also change how we call it from CI?

[mbonnin]

I think there's an API to mark a task as "not ready for CC"

[mbonnin]

let me check

[mbonnin]

Maybe this?

tasks.named("downloadGiraffeApolloSchemaFromIntrospection") {
  notCompatibleWithConfigurationCache("<https://issue.link.here>")
}

?

[Stylianos Gakis]

Filed this for now, https://github.com/apollographql/apollo-kotlin/issues/4925
Now let me test your suggestion ^_^

[Stylianos Gakis]

Alright, yes this works! And for my specific case, since I was referencing more than one task, I had to do this basically

tasks.register("downloadApolloSchemasFromIntrospection") {
  notCompatibleWithConfigurationCache("<https://github.com/apollographql/apollo-kotlin/issues/4925>")
  tasks.findByName("downloadGiraffeApolloSchemaFromIntrospection")?.let { downloadTask ->
    downloadTask.notCompatibleWithConfigurationCache("<https://github.com/apollographql/apollo-kotlin/issues/4925>")
    dependsOn(downloadTask)
  }
  tasks.findByName("downloadOctopusApolloSchemaFromIntrospection")?.let { downloadTask ->
    downloadTask.notCompatibleWithConfigurationCache("<https://github.com/apollographql/apollo-kotlin/issues/4925>")
    dependsOn(downloadTask)
  }
}

And it now runs without passing in the flag. Thanks a lot!

[mbonnin]

Sure thing, thanks for filing this!

[Stylianos Gakis]

Works even by just putting it directly in the download task itself, since my custom task doesn’t do anything to break this, since all it does is hook two download tasks together.

tasks.withType<com.apollographql.apollo3.gradle.internal.ApolloDownloadSchemaTask>().configureEach {
  notCompatibleWithConfigurationCache("<https://github.com/apollographql/apollo-kotlin/issues/4925>")
}

Added that option in the issue too, in case someone else has the same issue hopefully it can help 😊

[Stylianos Gakis]

Closed down #4925 since your suggestion worked, turned out it was just me messing up myself, not your task 😅