4.0.0 spencer-tracing-java com.github.kaeluka spencer-tracing-java jar https://github.com/kaeluka/spencer-tracing com.github.kaeluka spencer-tracing 0.1.2 org.apache.maven.plugins maven-compiler-plugin 3.5.1 1.8 1.8 org.apache.maven.plugins maven-source-plugin 3.0.0 attach-sources jar-no-fork org.apache.maven.plugins maven-javadoc-plugin 2.10.4 attach-javadocs jar