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https://issues.apache.org/jira/browse/STORM-1044?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14747207#comment-14747207
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ASF GitHub Bot commented on STORM-1044:
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GitHub user mjsax opened a pull request:
https://github.com/apache/storm/pull/740
[STORM-1044] Setting dop to zero does not raise an error
- added IllegalArgumentException to .setBolt(...), .setSpout(...), and
.setStateSpout(...) in TopologyBuilder
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mjsax/storm storm-1044-dop
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/740.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #740
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commit 8ed57abb5a13cf59a66fb7eb3339b27ec2fe3e60
Author: mjsax <[email protected]>
Date: 2015-09-15T11:56:56Z
[STORM-1044] Setting dop to zero does not raise an error
- added IllegalArgumentException to .setBolt(...), .setSpout(...), and
.setStateSpout(...) in TopologyBuilder
----
> 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
> Assignee: 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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