Transformer implementation to concatenate Log4j2Plugins.dat files due build with Maven Shaded plugin.
How to use:
<project>
...
<build>
...
<plugins>
...
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-shade-plugin</artifactId>
<version>2.4.3</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
<configuration>
<finalName>${project.artifactId}${appSuffix}</finalName>
<transformers>
...
<transformer
implementation="com.github.edwgiz.mavenShadePlugin.log4j2CacheTransformer.PluginsCacheFileTransformer">
</transformer>
</transformers>
...
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>com.github.edwgiz</groupId>
<artifactId>maven-shade-plugin.log4j2-cachefile-transformer</artifactId>
<version>2.6.1</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
<pluginRepositories>
<pluginRepository>
<id>central</id>
<name>Central Repository</name>
<url>http://central.maven.org/maven2</url>
</pluginRepository>
</pluginRepositories>
</project>