4.0.0 log4j2-example log4j2-example 0.0.1-SNAPSHOT org.apache.logging.log4j log4j-core ${log4j-core.version} com.fasterxml.jackson.core jackson-databind ${jackson.version} junit junit 4.12 src/main/resources/ **/*.java maven-compiler-plugin 3.7.0 1.8 1.8 2.8.8.1 2.8.2