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https://issues.apache.org/jira/browse/ARTEMIS-2926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17205386#comment-17205386
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Francesco Nigro edited comment on ARTEMIS-2926 at 10/2/20, 11:55 AM:
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That explain why we're getting a doubled time between executions then, would
like to try out a PR? PRs are welcome :)
was (Author: nigrofranz):
That explain why we're getting a doubled execution then, would like to try out
a PR? PRs are welcome :)
> Scheduled task executions are skipped randomly
> ----------------------------------------------
>
> Key: ARTEMIS-2926
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2926
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.13.0
> Reporter: Apache Dev
> Priority: Major
>
> Scheduled tasks extending {{ActiveMQScheduledComponent}} could randomly skip
> an execution, logging:
> {code}
> Execution ignored due to too many simultaneous executions, probably a
> previous delayed execution
> {code}
> The problem is in the "ActiveMQScheduledComponent#runForExecutor" Runnable.
> Times to be compared ({{currentTimeMillis()}} and {{lastTime}}) are taken
> inside the runnable execution itself. So, depending on relative execution
> times, it could happen that the difference is less than the given period
> (e.g. 1 ms), resulting in a skipped execution.
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