[jboss-jira] [JBoss JIRA] (DROOLS-751) Different threads accessing LeftTuple fields that reference LeftTupleSet

Different threads accessing LeftTuple fields that reference LeftTupleSet ------------------------------------------------------------------------ Key: DROOLS-751 URL: https://issues.jboss.org/browse/DROOLS-751 Project: Drools Issue Type: Bug Affects Versions: 6.0.0.Final, 6.1.0.Final, 6.2.0.Final Reporter: Tibor Zimányi Assignee: Mario Fusco Priority: Critical Labels: reported-by-qe Fix For: 6.3.0.Beta1 In class LeftTupleSetsImpl there are missing nullchecks in some methods that contains handling LeftTuple instances. I.e. in method removeInsert there is LeftTuple variable previous that is not nullchecked.