[jira] [Commented] (JENA-660) Concurrency issue in SPARQL when DEBUG logging is enabled

["ASF subversion and git services (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/JENA-660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940444#comment-13940444 ] 

ASF subversion and git services commented on JENA-660:
------------------------------------------------------

Commit 1579219 from [~andy.seaborne] in branch 'jena/trunk'
[ https://svn.apache.org/r1579219 ]

JENA-660 : remove static to unshare string formatting

> Concurrency issue in SPARQL when DEBUG logging is enabled
> ---------------------------------------------------------
>
>                 Key: JENA-660
>                 URL: https://issues.apache.org/jira/browse/JENA-660
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: ARQ
>    Affects Versions: Jena 2.11.1
>            Reporter: Knut-Olav Hoven
>            Assignee: Andy Seaborne
>              Labels: patch
>             Fix For: Jena 2.11.2
>
>
> Doing multi-threaded SPARQL queries, each thread creating, building and querying separate models, it might still fail if DEBUG logging is enabled on line 84.
> We hit an exception in String/StringBuilder in this setup.
> Commit that hopefully fixes this issue:
>  https://github.com/hovenko/jena/commit/53b815e92751af1f54b7e6cb83ad495a6cff68fa



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