Benjamin Röhl created LOG4J2-3319:
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Summary: Add minimal support for log4j 1.2 API bundle usage in
Eclipse IDE
Key: LOG4J2-3319
URL: https://issues.apache.org/jira/browse/LOG4J2-3319
Project: Log4j 2
Issue Type: Improvement
Components: Core, log4j 1.2 emulation, OSGi
Affects Versions: 2.12.4
Reporter: Benjamin Röhl
h2. Status Quo
The "log4j core" and "log4j 1.2 api" library (and others as well) are build as
bundle.
The compatibility library is build as fragment.
h2. Problem
Using the log4j core and 1.2 api library in Eclipse-runtime (via [target
platform|https://wiki.eclipse.org/PDE/Target_Definitions]) does not properly
work out, since the _1.2 api_ fragment bundle is extending the _core_ bundle's
api, by declaring extra _Export-Packages_ statements for log4j 1.2 api.
Unfortunately Eclipse is not capable of resolving those extra added API (via
{_}Export-Packages{_}) from a fragement, even though at runtime it is supposed
to work.
h2. Solution Proposal
Add the following bundle manifest header to _core_ bundle, to support the extra
added API by the _1.2 api_ fragement bundle:
{code:java}
Eclipse-ExtensibleAPI: true{code}
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