Bob Paulin created TIKA-1700:
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Summary: 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: 1.9, 1.8, 1.7, 1.10
Environment: OSGi
Reporter: Bob Paulin
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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