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https://issues.apache.org/jira/browse/JENA-576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15558180#comment-15558180
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ASF GitHub Bot commented on JENA-576:
-------------------------------------
Github user ajs6f commented on the issue:
https://github.com/apache/jena/pull/151
As for the fix, specifically I went to `HttpOp` and made sure that any HTTP
clients built there get closed properly. HTTP clients that get passed in don't
get closed because that's the job of the client (i.e. user of Jena, not HTTP
client) that passed them in. Also I checked through the tests in `jena-jdbc`
and made sure they don't multiply clients pointlessly and use some pooling for
faster test execution.
> Upgrade Apache HTTP Client to 4.3
> ---------------------------------
>
> Key: JENA-576
> URL: https://issues.apache.org/jira/browse/JENA-576
> Project: Apache Jena
> Issue Type: Dependency upgrade
> Components: ARQ
> Affects Versions: Jena 2.11.0
> Reporter: Rob Vesse
> Assignee: Rob Vesse
> Priority: Minor
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> As of 2.11.0 ARQ centralizes all HTTP operations through HttpOp which relies
> on Apache HTTP Client. Currently we are using 4.2.3 while the latest stable
> release is actually 4.3.1
> Therefore we should look at upgrading our code to use the latest version
> which may entail some refactoring since there appears to have been some
> breaking changes across the minor version bump which users have seen in usage
> - e.g.
> https://github.com/pyvandenbussche/sparqles/issues/9#issuecomment-27220738
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