In KModuleBeanFactoryPostProcessor there are statements like this: configFilePath = getClass().getResource("/").getPath(); which do not necessarily resolve to the path where the rule resources are. Replacing this code with one that looks for the rule packages location worked for me. -- View this message in context: http://drools.46999.n3.nabble.com/Test-Classpath-setup-question-tp4028583... Sent from the Drools: User forum mailing list archive at Nabble.com.