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https://issues.apache.org/jira/browse/LOG4J2-920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14563931#comment-14563931
 ] 

Ralph Goers commented on LOG4J2-920:
------------------------------------

I will admit to not being experienced with OSGi, but one of the aspects of the 
Log4j API is that it allows users to create their own implementation should 
they desire to. Adding this import seems like it would make that impossible.

> ClassNotFoundException for BundleContextSelector when initialising in an OSGi 
> environment
> -----------------------------------------------------------------------------------------
>
>                 Key: LOG4J2-920
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-920
>             Project: Log4j 2
>          Issue Type: Bug
>          Components: API
>    Affects Versions: 2.1
>         Environment: Apache Felix, Java 8
>            Reporter: Ludovic HOCHET
>         Attachments: patch.diff
>
>
> When initialising Log4J2 in an Apache Felix environment, I get the following 
> exception: 
> ERROR StatusLogger Unable to create context 
> org.apache.logging.log4j.core.osgi.BundleContextSelector 
> java.lang.ClassNotFoundException: 
> org.apache.logging.log4j.core.osgi.BundleContextSelector not found by 
> org.apache.logging.log4j.api [78]
>     at 
> org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1556)
>     at 
> org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:77)
>     at 
> org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1993)
>     at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
>     at java.lang.Class.forName0(Native Method)
>     at java.lang.Class.forName(Class.java:260)
>     at org.apache.logging.log4j.util.LoaderUtil.loadClass(LoaderUtil.java:117)
>     at 
> org.apache.logging.log4j.util.LoaderUtil.newInstanceOf(LoaderUtil.java:136)
>     at 
> org.apache.logging.log4j.util.LoaderUtil.newCheckedInstanceOf(LoaderUtil.java:163)
>     at 
> org.apache.logging.log4j.core.util.Loader.newCheckedInstanceOf(Loader.java:311)
>     at 
> org.apache.logging.log4j.core.impl.Log4jContextFactory.createContextSelector(Log4jContextFactory.java:96)
>     at 
> org.apache.logging.log4j.core.impl.Log4jContextFactory.<init>(Log4jContextFactory.java:54)
>     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>     at 
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
>     at 
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>     at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
>     at java.lang.Class.newInstance(Class.java:438)
>     at org.apache.logging.log4j.LogManager.<clinit>(LogManager.java:96)
> [...]
> Due to a missing import of the org.apache.logging.log4j.core.osgi package in 
> the API OSGi metadata in its pom



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