spark-parent me.lucko 1.0-SNAPSHOT 4.0.0 spark-common jar clean package spark-common org.apache.maven.plugins maven-compiler-plugin ${compiler.version} 1.8 1.8 com.google.code.gson gson 2.7 provided com.google.guava guava 19.0 provided com.squareup.okhttp3 okhttp 3.10.0 compile com.squareup.okio okio 1.14.0 compile