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https://issues.apache.org/jira/browse/STORM-1044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14741109#comment-14741109
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Matthias J. Sax commented on STORM-1044:
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I think the easiest way to fix this, would be to check the {{parallelism_hint}}
in {{TopologyBuilder}}. If you think this is the right approach, I could fix
this issues by myself. Otherwise, please let me know which other approach would
be appropriate.
> Setting dop to zero does not raise an error
> -------------------------------------------
>
> Key: STORM-1044
> URL: https://issues.apache.org/jira/browse/STORM-1044
> Project: Apache Storm
> Issue Type: Bug
> Reporter: Matthias J. Sax
> Priority: Minor
>
> While I did some testing (with automatic topology plugging code) I set the
> dop of all spouts and bolts to zero. I submitted the topology to
> {{LocalCluster}} and did not get any error.
> It took me a while to figure out that the wrongly specified dop were the
> reason for an empty result of the test. From a user point of view, it would
> be nice to raise an exception when the {{parallelism_hint}} is smaller than 1.
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