More details... The error is as you would expect: Description Resource Path Location Type The method getDeploymentTemplate() is undefined for the type Rule_init_282bd9bb0e30465c8efc3f0b1b9e23f2 init.drl /<path to file removed intentionally> line 11 Drools Error Eclipse simply cannot resolve the function when it is referenced by another file in the same package; however, the engine can at runtime. -- View this message in context: http://drools.46999.n3.nabble.com/Eclipse-Drools-Plugin-Compilation-Error... Sent from the Drools: User forum mailing list archive at Nabble.com.