NullPointerException when serializing KieSession with a Timer ------------------------------------------------------------- Key: DROOLS-3836 URL: https://issues.jboss.org/browse/DROOLS-3836 Project: Drools Issue Type: Bug Components: core engine Affects Versions: 7.19.0.Final Reporter: Tibor Zimanyi Assignee: Tibor Zimanyi Priority: Major When running test [1] in a loop, it fails on NullPointerException with the following stacktrace [2]. It is better reproducible using short event expiration (e.g 1ms). [1] https://github.com/kiegroup/drools/blob/4ce8431e43a3bcd55f367b247d9a4766a... [2] https://gist.github.com/baldimir/dff726297026f15da9181df2bf4c79fb