[jira] [Resolved] (JENA-261) QueryIterService returns an empty solution on exception

["Andy Seaborne (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/JENA-261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne resolved JENA-261.
--------------------------------

    Resolution: Not A Problem

Resolving as "not a problem" because ARQ follows the SPARQL federate query spec.

If the space should change, so will ARQ.

                
> 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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