kerb4j-base64 com.kerb4j 0.2.0 4.0.0 kerb4j-base64-java8 com.kerb4j kerb4j-base64-common 0.2.0 java-8-plus [1.8,) org.apache.maven.plugins maven-compiler-plugin 3.11.0 17 17 org.codehaus.mojo build-helper-maven-plugin 3.4.0 add-source generate-sources add-source src/main/java8