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https://issues.apache.org/jira/browse/BEAM-7167?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17122050#comment-17122050
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Kenneth Knowles commented on BEAM-7167:
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This issue is assigned but has not received an update in 30 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> Unable to cancel a DoFn Timer
> -----------------------------
>
> Key: BEAM-7167
> URL: https://issues.apache.org/jira/browse/BEAM-7167
> Project: Beam
> Issue Type: Bug
> Components: beam-model
> Affects Versions: 2.12.0
> Reporter: Neil Kolban
> Assignee: Pablo Estrada
> Priority: P3
> Labels: stale-assigned
>
> The following was raised on
> [Stackoverflow|[https://stackoverflow.com/questions/55875832/how-to-cancel-unset-a-dofn-defined-timer]]:
>
> Having read [Timely (and Stateful) Processing with Apache
> Beam|https://beam.apache.org/blog/2017/08/28/timely-processing.html] and
> looked at the JavaDoc for a
> [Timer|https://beam.apache.org/releases/javadoc/2.12.0/org/apache/beam/sdk/state/Timer.html],
> I have successfully setup a timer to be fired. However, I am missing how to
> request that a timer be cancelled before it has fired. Is this a semantic
> that is possible / allowable in Beam architecture?
> My back-story is that I wish to register a timer to fire a callback if
> something has not occurred ... but if it HAS occurred prior to the timer
> firing, then I wish to cancel the timer from being fired.
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