Fix deprecated ApplicationPluginConvention / mainClassName (removed in Gradle 9.0) #23

Deprecation Warning

ApplicationPluginConvention and the mainClassName property are deprecated. Use application.mainClass.set(...) instead.

Where

• plugins/gradle/example-server/build.gradle:12
• plugins/gradle/example-client/build.gradle:13

mainClassName = "io.github.besi97.product.Application"

Fix

application {
    mainClass = "io.github.besi97.product.Application"
}

Removed in

Gradle 9.0

Resource

https://docs.gradle.org/8.14.3/userguide/upgrading_version_8.html#application_convention_deprecation