Matt Sicker created LOG4J2-515:
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Summary: Support OSGi bundles without requiring OSGi dependencies.
Key: LOG4J2-515
URL: https://issues.apache.org/jira/browse/LOG4J2-515
Project: Log4j 2
Issue Type: Epic
Components: API, Appenders, Configurators, Core, Filters, Layouts,
Receivers
Affects Versions: 2.0-rc1
Environment: OSGi, non-OSGi
Reporter: Matt Sicker
In order to properly support OSGi, we need to use a combination of ideas.
# Packages and modules should be as coherent as possible. This makes bundling
them into bundles and services significantly easier. Plus, it's a good idea
anyway.
# Use [Felix SCR
annotations|http://felix.apache.org/documentation/subprojects/apache-felix-maven-scr-plugin/scr-annotations.html]
in order to support more advanced OSGi concepts without requiring an explicit
dependency on OSGi. This way, the annotations can be discarded or ignored by
non-OSGi environments.
# Provide more bundles. The core bundles, while a good start, could be further
modularized.
# Don't rely on class loader hacks. Instead, methods that need to use a class
loader should always include a ClassLoader parameter. Class loader hacks can be
used in centralized locations as a fallback mechanism where no advanced class
loaders are provided.
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