Sliding Window rule duplicate fireing after fireAllRules() loop --------------------------------------------------------------- Key: DROOLS-256 URL: https://issues.jboss.org/browse/DROOLS-256 Project: Drools Issue Type: Bug Security Level: Public(Everyone can see) Affects Versions: 5.5.0.Final Environment: Modified 'Hello world' example, Eclipse Juno with Java 1.6 on Mac OS Reporter: Alexander Wolf Assignee: Mario Fusco Given the following rule: //counts numbers of events in the previous 3 seconds rule "slidingTimeCount" when $n: Number (intValue > 0) from accumulate ( $e : Message() over window:time(3s) , count($e)) then System.out.println("Messages in last 3 seconds: " + $n); end When Messages (Event) are inserted in a loop and after this loop fireAllRules() on the session is invoked, the rule fires twice.