Unexpected rule fire by sharing From and pojo without hashCode/equals --------------------------------------------------------------------- Key: DROOLS-2557 URL: https://issues.jboss.org/browse/DROOLS-2557 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 7.7.0.Final Reporter: Toshiya Kobayashi Assignee: Mario Fusco Labels: support Under the conditions: - "from" clause with multiple rules - calling update() - Pojo doesn't implement hashCode/equals (to be precise, only hashCode() on Child object seems to matter) A rule is activated/fired unexpectedly. Please see Unit test for details.