buildscript { repositories { jcenter() } dependencies { classpath "io.ratpack:ratpack-gradle:1.5.4" classpath "com.h2database:h2:1.4.193" } } if (!JavaVersion.current().java8Compatible) { throw new IllegalStateException("Must be built with Java 8 or higher") } apply plugin: "io.ratpack.ratpack-java" apply plugin: 'java' apply plugin: 'groovy' apply plugin: 'io.ratpack.ratpack-groovy' repositories { jcenter() } dependencies { compile ratpack.dependency('hikari') compile 'com.h2database:h2:1.4.193' testCompile 'junit:junit:4.11' runtime "org.slf4j:slf4j-simple:1.7.21" } test { testLogging { events 'started', 'passed' } } mainClassName = "com.baeldung.Application"