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https://issues.apache.org/jira/browse/JENA-261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13396674#comment-13396674
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Claude Warren commented on JENA-261:
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The submitted patch works with my test data. There are no test cases as the
code depends upon static methods and there is no existing test harness for this
section of the code.
> QueryIterService returns an empty solution on exception
> -------------------------------------------------------
>
> Key: JENA-261
> URL: https://issues.apache.org/jira/browse/JENA-261
> Project: Apache Jena
> Issue Type: Bug
> Components: ARQ
> Affects Versions: ARQ 2.9.0, ARQ 2.9.1
> Reporter: Claude Warren
> Attachments: JENA-261_patch.txt
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> in nextStage() when a RuntimeException is caught and the 'silent' parameter
> has been set, a QueryIterSingleton is created. This results in an empty
> solution being returned. I think the proper action would be to return a
> QueryIterNullIterator so that the empty result is not returned.
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