log4j appender in felix OSGI -- ClassNotFoundException

[Hubert Felber <Hu...@abacus.ch>]

Hi 
I try to use a FileAppender in my jar with log4j

Of course log4j does not know my jar and so OSGI says:

log4j:ERROR Could not instantiate class [com.company.appender.CFileAppender].
java.lang.ClassNotFoundException: *** Class 'com.company.appender.CFileAppender' 
was not found because bundle log4j [5] does not import 'com.company.appender' 
even though bundle [logging [39](R 39.0)] osgi.wiring.package; {bundle-symbolic-name=logging, bundle-version=1.0.0.SNAPSHOT, version=1.0.0.SNAPSHOT, osgi.wiring.package=com.company.appender} 
does export it. To resolve this issue, add an import for 'com.company.appender' to bundle log4j [5]. ***

Chaning the log4j manifest as proposed works, but I don´t want to do this.

I tried to expand the classpath of log4j with a bundle fragment which imports 'com.company.appender' but endend 
with errors I do not understand. 

The fragment is solved, but as soon as I drop in my logging bundle with felix fileinstall I get BundleException("Stopping a starting or stopping bundle is currently not supported."); 
And then the system exits.

Is there a way to do this, without touching the log4j Manifest? Should this work with fragment bundles with log4j as host?




Thank you
Hubert




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