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https://issues.apache.org/jira/browse/JENA-2349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17631154#comment-17631154
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Andy Seaborne commented on JENA-2349:
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It's not certain that this will be seen by the people interested in GeoSPARQL
here on JIRA.
Other jena-geosparql issues are on github.
Could you put in a PR?
The "G" library provides safe ways to work on graphs.
> GeoSPARQL leaves open iterators
> -------------------------------
>
> Key: JENA-2349
> URL: https://issues.apache.org/jira/browse/JENA-2349
> Project: Apache Jena
> Issue Type: Bug
> Components: GeoSPARQL
> Reporter: Holger Knublauch
> Priority: Major
>
> These two lines in GenericSpatialPropertyFunction L133 do not close the
> iterators created by find(). This causes problems with downstream code (such
> as our product) which expects that all query iterators get closed to have a
> clean transaction boundary.
> Node lat = graph.find(subject, SpatialExtension.GEO_LAT_NODE,
> null).next().getObject();
> Node lon = graph.find(subject, SpatialExtension.GEO_LON_NODE,
> null).next().getObject();
> The above is particularly problematic for MultiUnion graphs, but may also for
> malformed graphs where a subject has two or more geo:lat/long triples.
> (I am not 100% sure that it's exactly the two lines above that are causing
> the unclosed iterators but they look wrong regardless.)
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