Vijayakumar Palaniappan created FLINK-6297:
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Summary: CEP timeout does not trigger under certain conditions
Key: FLINK-6297
URL: https://issues.apache.org/jira/browse/FLINK-6297
Project: Flink
Issue Type: Bug
Affects Versions: 1.2.0
Reporter: Vijayakumar Palaniappan
-TimeoutPattern does not trigger under certain conditions. Following are the
preconditions:
-Assume a pattern of Event A followed by Event B within 2 Seconds
-PeriodicWaterMarks every 1 second
-Assume following events have arrived.
-Event A-1[time: 1 sec]
-Event B-1[time: 2 sec]
-Event A-2[time: 2 sec]
-Event A-3[time: 5 sec]
-WaterMark[time: 5 sec]
I would assume that after watermark arrival, Event A-1,B-1 detected. A-2 timed
out. But A-2 timeout does not happen.
if i use a punctuated watermark and generate watermark for every event, it
seems to work as expected.
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