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Shadow Version

2.0.1

Gradle Version

4.3

Expected Behavior

work as in 4.2.1

Actual Behavior

:shadowJar
A problem was found with the configuration of task ':shadowJar'. Registering invalid inputs and outputs via TaskInputs and TaskOutputs methods has been deprecated and is scheduled to be removed in Gradle 5.0.

• No value has been specified for property 'mainClassName'.

Build script

Extract of my build script

apply plugin: 'java'
apply plugin: 'application'
apply plugin: 'com.github.johnrengelman.shadow'

mainClassName = 'com.package.to.Class'

shadowJar {
baseName = 'launcher'
classifier = null
version = null
}