This plugin fixes conflicting Log4j2Plugins.dat files when building an uberjar using leiningen.
See LOG4J2-673 for reference.
You might see error messages such as below if you depend on any Log4j2 plugins in your project.
ERROR StatusLogger Unrecognized format specifier [d] ERROR StatusLogger Unrecognized conversion specifier [d] starting at position 16 in conversion pattern. ERROR StatusLogger Unrecognized format specifier [thread] ERROR StatusLogger Unrecognized conversion specifier [thread] starting at position 25 in conversion pattern. ERROR StatusLogger Unrecognized format specifier [level] ERROR StatusLogger Reconfiguration failed: No configuration found for '2b43529a' at 'null' in 'null'
The code is based off of the same technique used for Maven in https://github.com/edwgiz/maven-shaded-log4j-transformer
Add the following to your project.clj to laod the plugin.
:plugins [[arctype/log4j2-plugins-cache "1.0.0"]] :middleware [leiningen.log4j2-plugins-cache/middleware]
Copyright © 2018 Arctype Corporation.
Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.