Apache log4j 2.0 is log4j redesigned for Java 5 and concurrency. log4j 2.0 development is currently in its infancy. Proposed design principles, requirements and other development goals are collected in the project issue tracker.
Experimental source can be checked out anonymously from the SVN with this command:
svn co http://svn.apache.org/repos/asf/logging/log4j/branches/BRANCH_2_0_EXPERIMENTAL
Development discussion occurs on the log4j-dev mailing list.
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