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https://issues.apache.org/jira/browse/FLINK-5753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16020929#comment-16020929
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Kostas Kloudas commented on FLINK-5753:
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Thanks [~jurijuri]] I will close it and you can re-open it if the problem
persists (or send to the mailing list, if possible with the program that
re-produces the bug).
Now for your watermark emitter, why don't you use the
{{BoundedOutOfOrdernessTimestampExtractor}} that comes with Flink?
> CEP timeout handler.
> --------------------
>
> Key: FLINK-5753
> URL: https://issues.apache.org/jira/browse/FLINK-5753
> Project: Flink
> Issue Type: Bug
> Components: CEP
> Affects Versions: 1.1.2
> Reporter: Michał Jurkiewicz
> Assignee: Kostas Kloudas
>
> I configured the following flink job in my environment:
> {code}
> Pattern<Event, ?> patternCommandStarted = Pattern.<Event>
> begin("event-accepted").subtype(Event.class)
> .where(e -> {event accepted where
> statement}).next("second-event-started").subtype(Event.class)
> .where(e -> {event started where statement}))
> .within(Time.seconds(30));
> DataStream<Either<Event, Event>> events = CEP
> .pattern(eventsStream.keyBy(e -> e.getEventProperties().get("deviceCode")),
> patternCommandStarted)
> .select(eventSelector, eventSelector);
> static class EventSelector implements PatternSelectFunction<Event, Event>,
> PatternTimeoutFunction<Event, Event> {}
> {code}
> The problem that I have is related to timeout handling. I observed that:
> if: first event appears, second event not appear in the stream
> and *no new events appear in a stream*, timeout handler is not executed.
> Expected result: timeout handler should be executed in case if there are no
> new events in a stream
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