Timer repeats uncontrolled -------------------------- Key: WFLY-10584 URL: https://issues.jboss.org/browse/WFLY-10584 Project: WildFly Issue Type: Bug Components: EJB Affects Versions: 13.0.0.Final Reporter: Jörg Bäsner Assignee: Tomasz Adamski Priority: Major Attachments: playground-jar.jar Given an hourly timer like this: {code} @Schedule(hour = "*", persistent = false) public void hourlyTimer(Timer timer) { long methodEntryTime = System.currentTimeMillis(); ZonedDateTime nextTimeout = ZonedDateTime.ofInstant(timer.getNextTimeout().toInstant(), ZoneId.systemDefault()); logger.info("Call to hourly maintenance function completed in {} seconds, next timeout at {}", millis2secondsString(System.currentTimeMillis() - methodEntryTime), nextTimeout); } {code} Results in the Timezone [Europe/Helsinki] on the 24th or March 2018 at 23:00:00 LocalTime in a next trigger of the same, see: {noformat} 23:00:01,997 INFO [org.jboss.playground.PlaygroundAutoTimerBean] (EJB default - 1) Call to hourly maintenance function completed in 0 seconds, next timeout at 2018-03-24T23:00+02:00[Europe/Helsinki] 23:00:01,998 INFO [org.jboss.playground.PlaygroundAutoTimerBean] (EJB default - 6) Call to hourly maintenance function completed in 0 seconds, next timeout at 2018-03-24T23:00+02:00[Europe/Helsinki] 23:00:02,000 INFO [org.jboss.playground.PlaygroundAutoTimerBean] (EJB default - 7) Call to hourly maintenance function completed in 0 seconds, next timeout at 2018-03-24T23:00+02:00[Europe/Helsinki] 23:00:02,001 INFO [org.jboss.playground.PlaygroundAutoTimerBean] (EJB default - 7) Call to hourly maintenance function completed in 0 seconds, next timeout at 2018-03-24T23:00+02:00[Europe/Helsinki] {noformat}