[jboss-jira] [JBoss JIRA] (WFLY-6561) EJB Timers Intermittently Execute Repeatedly on Server Restart with Error Code WFLYEJB0043

[Kevin Chen (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-6561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13199251#comment-13199251 ] 

Kevin Chen commented on WFLY-6561:
----------------------------------

It looks like others are running into the same problem.  The only major difference is our scheduled methods are all non-persistent.

https://stackoverflow.com/questions/34241076/wflyejb0043-a-previous-execution-of-timer-timer-is-still-in-progress-skippin

> EJB Timers Intermittently Execute Repeatedly on Server Restart with Error Code WFLYEJB0043
> ------------------------------------------------------------------------------------------
>
>                 Key: WFLY-6561
>                 URL: https://issues.jboss.org/browse/WFLY-6561
>             Project: WildFly
>          Issue Type: Bug
>          Components: EJB
>    Affects Versions: 10.0.0.Final
>            Reporter: Kevin Chen
>            Assignee: Stuart Douglas
>
> On Wildfly10, we are experiencing intermittent problems where on server startup, an @Timeout annotated method can be executed hundreds of times in a second (log below).  Going through the references to the @Timeout methods and the @Scheduled methods, all scheduled methods are set to be non-persistent (ex: timerConfig.setPersistent(false), persistent=false) so we don't know how this could occur.  It is not consistent and our only solution has been to kill the Wildfly10 server process and restart.
> 13:47:27,824 WARN  [org.jboss.as.ejb3] (EJB default - 6) [  ] WFLYEJB0043: A previous execution of timer [id=d31eb95a-3f8b-4b7d-882e-f1ff53bc7de8 timedObjectId=synergy.synergy-app-head.QuartzWatcherService auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl at dec94c6 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Wed Apr 06 12:10:00 PDT 2016 timerState=IN_TIMEOUT info=null] is still in progress, skipping this overlapping scheduled execution at: Wed Apr 06 13:47:27 PDT 2016.
> 13:47:27,825 WARN  [org.jboss.as.ejb3] (EJB default - 96) [  ] WFLYEJB0043: A previous execution of timer [id=d31eb95a-3f8b-4b7d-882e-f1ff53bc7de8 timedObjectId=synergy.synergy-app-head.QuartzWatcherService auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl at dec94c6 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Wed Apr 06 12:10:00 PDT 2016 timerState=IN_TIMEOUT info=null] is still in progress, skipping this overlapping scheduled execution at: Wed Apr 06 13:47:27 PDT 2016.
> 13:47:27,825 WARN  [org.jboss.as.ejb3] (EJB default - 97) [  ] WFLYEJB0043: A previous execution of timer [id=d31eb95a-3f8b-4b7d-882e-f1ff53bc7de8 timedObjectId=synergy.synergy-app-head.QuartzWatcherService auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl at dec94c6 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Wed Apr 06 12:10:00 PDT 2016 timerState=IN_TIMEOUT info=null] is still in progress, skipping this overlapping scheduled execution at: Wed Apr 06 13:47:27 PDT 2016.
> 13:47:27,825 WARN  [org.jboss.as.ejb3] (EJB default - 37) [  ] WFLYEJB0043: A previous execution of timer [id=d31eb95a-3f8b-4b7d-882e-f1ff53bc7de8 timedObjectId=synergy.synergy-app-head.QuartzWatcherService auto-timer?:false persistent?:false timerService=org.jboss.as.ejb3.timerservice.TimerServiceImpl at dec94c6 initialExpiration=null intervalDuration(in milli sec)=0 nextExpiration=Wed Apr 06 12:10:00 PDT 2016 timerState=IN_TIMEOUT info=null] is still in progress, skipping this overlapping scheduled execution at: Wed Apr 06 13:47:27 PDT 2016.



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