[jboss-jira] [JBoss JIRA] Closed: (JBRULES-2881) sliding window:length(1) sticks to old event

sliding window:length(1) sticks to old event -------------------------------------------- Key: JBRULES-2881 URL: https://issues.jboss.org/browse/JBRULES-2881 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Components: drools-core, drools-core (fusion) Affects Versions: 5.1.1.FINAL Reporter: Wolfgang Laun Assignee: Edson Tirelli Priority: Critical Fix For: 5.2.0.CR1 A rule combining two events of type A and B, each "seen" through a sliding window of length 1 misfires. Rather that combining the latest A with the latest B, it keeps firing the latest B together with *all* old A's. Interestingly, this effect disappears if the order of patterns in the rule is inverted. Given the event sequence: A, A, B, A, B, the rule ab when A() over window:length(1) B() over window:length(1) then ... end misfires, but rule ba when B() over window:length(1) A() over window:length(1) then ... end works correctly. This may be related to JBRULES-2862.