Wrong compiled type definition ------------------------------ Key: DROOLS-4051 URL: https://issues.jboss.org/browse/DROOLS-4051 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 7.21.0.Final Reporter: Stéphane Tondini Assignee: Mario Fusco Priority: Major I defined a drl file that declare a type like : {code} package com.test.rules.model.process; // Process related objects declare Process caseRef : String @key owner : String @key end {code} At rules compile time, Drools throws the following exception : {code} Caused by: java.lang.IllegalArgumentException: Error parsing bootstrap resources : New declaration of java.lang.Process can't declare a different set of fields existing : [] declared : [caseRef] diff : [++caseRef] Unable to process type Process {code} Drools compiles *java.lang.Process* instead of my customized type.