[GitHub] [jena] acoburn commented on issue #731: JENA-1888: Exclude log4j2 from OSGi bundle

[GitBox <gi...@apache.org>]

acoburn commented on issue #731:
URL: https://github.com/apache/jena/pull/731#issuecomment-617368874


   I looked a little deeper into this. The issue is related to the `org.apache.logging.log4j.core` package, which isn't exported by the pax-logger implementation that is part of the newer Karaf platforms. (Running `package:exports | grep -i log4j` in the different versions of Karaf will give you this information).
   
   The simple work-around is to just install the required bundle:
   
   ```
   bundle:install -s mvn:org.apache.logging.log4j/log4j-core/2.13.1
   ```
   
   (or the equivalent in a downstream features file).
   
   Either way, it seems that this PR is _not_ the right approach, and this should not be merged. The open question is just whether this dependency should be added to the Jena-provided features.xml file or just leave things as they currently are, but documenting how this works.


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