Bob Kerns created LOG4J2-238:
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             Summary: OSGi dependency failures in core
                 Key: LOG4J2-238
                 URL: https://issues.apache.org/jira/browse/LOG4J2-238
             Project: Log4j 2
          Issue Type: Bug
          Components: Core
    Affects Versions: 2.0-beta5
         Environment: OSGi (Eclipse 4.2.2, but I think the issue is generic 
OSGi)
            Reporter: Bob Kerns


To get the core module to load, in addition to re-fixing what was almost fixed 
in LOG4J2-159 I had to make several packages optional.

* com.lmax.disruptor
* com.lmax.disruptor.dsl
* com.lmax.disruptor.util

These provided a dependency on sun.misc, which I could hack around to make 
available but isn't normally available in OSGi and thus not a dependency I can 
easily put into a product. I believe the dependency is on sun.misc.Unsafe  I'd 
like to use it...

There is also a direct dependency somewhere on
* sun.misc (also Unsafe)

* com.sun.tools.jconsole -- I think this unlikely to be used in an OSGi 
environment, so optional is appropriate.

* org.codehaus.jackson
* org.codehaus.jackson.map

These would be easy enough to satisfy, but since most people won't need JSON 
logging, the dependency should be optional.

I think the correct minimal fix is just to make them all optional in the 
manifest. Eliminating the need for sun.misc would be a good further step

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