Stephan Ewen created FLINK-2586:
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Summary: Unstable Storm Compatibility Tests
Key: FLINK-2586
URL: https://issues.apache.org/jira/browse/FLINK-2586
Project: Flink
Issue Type: Bug
Components: Storm Compatibility
Affects Versions: 0.10
Reporter: Stephan Ewen
Priority: Critical
Fix For: 0.10
The Storm Compatibility tests frequently fail.
The reason is that they kill the topologies after a certain time interval. That
may fail on CI infrastructure when certain steps are delayed beyond usual.
Trying to guarantee progress by time is inherently problematic:
- Waiting too short makes tests unstable
- Waiting too long makes tests slow
The right way to go is letting the program decide when to terminate, for
example by throwing a special {{SuccessException}}.
Have a look at the Kafka connector tests, they do this a lot and hence run
exactly as short or as long as they need to.
Here is an example of a failed run:
https://s3.amazonaws.com/archive.travis-ci.org/jobs/77499577/log.txt
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