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https://issues.apache.org/jira/browse/STORM-3309?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stig Rohde Døssing resolved STORM-3309.
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Resolution: Fixed
Fix Version/s: 2.0.1
> TickTupleTest is still flaky
> ----------------------------
>
> Key: STORM-3309
> URL: https://issues.apache.org/jira/browse/STORM-3309
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-server
> Affects Versions: 2.0.0
> Reporter: Stig Rohde Døssing
> Assignee: Stig Rohde Døssing
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.1
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> {quote}
> testTickTupleWorksWithSystemBolt Time elapsed: 6.802 s <<< FAILURE!
> java.lang.AssertionError: Iteration 1 expected:<52000> but was:<51000>
> {quote}
> The test runs a topology in a local cluster with time simulation. One of the
> bolts has tick tuples enabled, and the test tries to check that the ticks
> arrive with 1 second intervals.
> As far as I can tell, the problem is that time simulation doesn't cover the
> bolt and spout executors. When the test increases simulated time by 1 second
> and waits for the cluster to idle, the test expects that to mean that the
> bolt will at that point have consumed the tick. In some cases this doesn't
> happen, and multiple tick tuples may end up queued before the bolt consumes
> them. Since the bolt is responsible for generating the timestamp, the test
> will fail.
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