Hung process instances and associated server.log WARN "Failed to reinstate timer 'kie-server.kie-server.EJBTimerScheduler' " ---------------------------------------------------------------------------------------------------------------------------- Key: WFLY-13386 URL: https://issues.redhat.com/browse/WFLY-13386 Project: WildFly Issue Type: Bug Reporter: Enrique González Martínez Assignee: Enrique González Martínez Priority: Major Labels: downstream_dependency Fix For: 20.0.0.Beta1 When a timer is reloaded for the first time in other node there are no listeners attached to it causing this problem (only in cluster environments with db timers) {code} 2020-04-15 16:43:57,733 WARN [org.jboss.as.ejb3.timer] (Timer-1) WFLYEJB0161: Failed to reinstate timer 'kie-server.kie-server.EJBTimerScheduler' (id=33170e5f-3b34-4503-8796-9b5e6871c074) from its persistent state: java.lang.NullPointerException at org.jboss.as.ejb3.timerservice.persistence.database.DatabaseTimerPersistence$RefreshTask.run(DatabaseTimerPersistence.java:851) at java.util.TimerThread.mainLoop(Timer.java:555) at java.util.TimerThread.run(Timer.java:505) {code}