I am working on Mac OSX Mountain-Lion with the following environment: $ gradle --version
------------------------------------------------------------ Gradle 1.2 ------------------------------------------------------------ Gradle build time: Wednesday, September 12, 2012 10:46:02 AM UTC Groovy: 1.8.6 Ant: Apache Ant(TM) version 1.8.4 compiled on May 22 2012 Ivy: 2.2.0 JVM: 1.7.0_07 (Oracle Corporation 23.3-b01) OS: Mac OS X 10.8.1 x86_64 When trying to run gradle on my project I am getting the following exception: Caused by: java.lang.NoClassDefFoundError: org/codehaus/groovy/transform/powerassert/ValueRecorder at JavaPG.apply(JavaPG.groovy:44) at JavaPG.apply(JavaPG.groovy) at org.gradle.api.internal.plugins.DefaultProjectsPluginContainer.providePlugin(DefaultProjectsPluginContainer.java:107) My master build script looks like that: buildscript { repositories { mavenLocal() mavenCentral() mavenRepo url: 'http://maven.hello2morrow.com/repository' } dependencies { classpath group: 'com.hello2morrow', name: 'gradle-javapg', version: '1.18' } } subprojects { apply plugin: "java" apply plugin: "groovy" apply plugin: "idea" apply plugin: JavaPG sourceCompatibility = 1.7 repositories { mavenLocal() mavenRepo url: "http://maven.hello2morrow.com/repository" mavenCentral() } dependencies { compile fileTree(dir: '../com.hello2morrow.ext.slf4j/lib', include: '*.jar') compile fileTree(dir: '../com.hello2morrow.ext.truezip/lib', include: '*.jar') groovy localGroovy() testCompile group: 'junit', name: 'junit', version: '4.7' } group = "com.hello2morrow" version = "1.0.0" } I am absolutely clueless how to fix that problem. Thanks for any help Best regards Alexander von Zitzewitz hello2morrow Inc. 1 (877) 294-6327