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https://issues.apache.org/jira/browse/TIKA-1700?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14648429#comment-14648429
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Nick Burch commented on TIKA-1700:
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The thread you want is "Configuring parsers and translators" which started with
this post:
http://mail-archives.apache.org/mod_mbox/incubator-tika-dev/201505.mbox/%3calpine.deb.2.02.1505071441170.1...@urchin.earth.li%3E
But was mostly in June.
Not sure about doing it with an attribute, child elements might work better for
the other kinds of parameters/options we need to be able to give to parsers (eg
the OCR parser, or the Translation classes)
> tika-config.xml does not provide a way to set ServiceLoader to dynamic
> ----------------------------------------------------------------------
>
> Key: TIKA-1700
> URL: https://issues.apache.org/jira/browse/TIKA-1700
> Project: Tika
> Issue Type: Bug
> Components: core
> Affects Versions: 1.7, 1.8, 1.9, 1.10
> Environment: OSGi
> Reporter: Bob Paulin
> Attachments: TIKA-1700.patch
>
>
> Currently if you create a TikaConfig from a file (ex tika-config.xml). There
> is no way to specify that you want to use a ServiceLoader with dynamic set.
> Prior to tika 1.7 this was not an issue since the during the tika-config.xml
> parse Tika would instantiate parsers using the default constructor which in
> turn would instantiate a new ServiceLoader. The default ServiceLoader
> constructor sets dynamic to true which allows dynamic loading of parsers.
> Changes to TikaConfig now cause the tika-config.xml parse to call a
> constructor which passes the ServiceLoader to be passed as a parameter. This
> ServiceLoader is always constructed with a Classloader which will cause
> dynamic to always be set to false. This breaks Tika in OSGi environments
> which depend on dynamic being set to true (for example Apache Sling).
> I'm proposing adding an xml attribute to the parser element to instantiate
> the parser with dynamic set to true. This allows users of tika-config.xml to
> determine how they want parsers loaded.
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