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Posted to dev@storm.apache.org by "James Lampton (JIRA)" <ji...@apache.org> on 2014/06/24 03:40:24 UTC

[jira] [Created] (STORM-368) Trident groupBy().aggregate() produces no results if Spout.nextTuple always emits

James Lampton created STORM-368:
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             Summary: Trident groupBy().aggregate() produces no results if Spout.nextTuple always emits
                 Key: STORM-368
                 URL: https://issues.apache.org/jira/browse/STORM-368
             Project: Apache Storm (Incubating)
          Issue Type: Bug
    Affects Versions: 0.9.2-incubating
            Reporter: James Lampton


I was debugging an issue with Pig-Squeal and noticed that my Combine Aggregators weren't working with the RandomSentenceSpout.  After some investigation, I discovered that no values are emitted from the aggregate if the underlying Spout always emits tuples.

I will attach a test case to demonstrate shortly.



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