Potential memory leak in StatelessKnowledgeSessionImpl#execute when fireAllRules throwing RuntimeException ---------------------------------------------------------------------------------------------------------- Key: DROOLS-72 URL: https://issues.jboss.org/browse/DROOLS-72 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 5.5.0.Final Reporter: Trung Nguyen Assignee: Mario Fusco Fix For: 5.5.1.Final, 6.0.0.Alpha9 when {{ksession.fireAllRules()}} throws RuntimeException, it cause {{ksession}} never gets released. {code:lang=java} public void execute(Object object) { StatefulKnowledgeSession ksession = newWorkingMemory(); ksession.insert( object ); ksession.fireAllRules( ); ksession.dispose(); } public void execute(Iterable objects) { StatefulKnowledgeSession ksession = newWorkingMemory(); for ( Object object : objects ) { ksession.insert( object ); } ksession.fireAllRules( ); ksession.dispose(); } {code}