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Posted to log4j-dev@logging.apache.org by "Jonathan Hanba (JIRA)" <ji...@apache.org> on 2015/08/01 17:53:04 UTC
[jira] [Commented] (LOG4J2-920) ClassNotFoundException for
BundleContextSelector when initialising in an OSGi environment
[ https://issues.apache.org/jira/browse/LOG4J2-920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14650405#comment-14650405 ]
Jonathan Hanba commented on LOG4J2-920:
---------------------------------------
There is a correct way to fix this issue and it is not by adding a generic <DynamicImport-Package> field to the pom.xml file.Two lines have to be added to the pom.xml file for the log4j-api OSGi bundle. Basically it is not properly wired up to the log4j-core OSGi bundle (in other words it is not importing the packages needed from log4j-core). The log4j-api pom.xml file has to include these two lines under <Import-Package>
org.apache.logging.log4j.core.osgi;resolution:=runtime,
org.apache.logging.log4j.core.lookup;resolution:=runtime,
So the entire <Import-Package> in the log4j-api pom.xml file looks like this:
<Import-Package>
org.apache.logging.log4j.core.osgi;resolution:=runtime,
org.apache.logging.log4j.core.lookup;resolution:=runtime,
sun.reflect;resolution:=optional,
*
</Import-Package>
> 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: LOG4J2-920.zip, patch.diff, patch2.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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