Distributed web session expiration ScheduledExecutorService leaks threads on undeploy ------------------------------------------------------------------------------------- Key: WFLY-3695 URL: https://issues.jboss.org/browse/WFLY-3695 Project: WildFly Issue Type: Bug Security Level: Public(Everyone can see) Components: Clustering Affects Versions: 8.1.0.Final Reporter: Paul Ferraro Assignee: Paul Ferraro Priority: Critical Fix For: 8.2.0.CR1, 9.0.0.Beta1 The ScheduledExecutorService employed by the SessionExpirationScheduler uses shutdown() to shutdown the thread pool - however, unless we explicitly setExecuteExistingDelayedTasksAfterShutdownPolicy(false), all scheduled tasks will attempt to execute after shutdown!