Missing nullchecks in LeftTupleSetsImpl --------------------------------------- Key: DROOLS-751 URL: https://issues.jboss.org/browse/DROOLS-751 Project: Drools Issue Type: Bug Reporter: Tibor Zimányi Assignee: Mark Proctor 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.