4.0.0 pom wayang-plugins org.apache.wayang 0.7.0 wayang-iejoin 0.7.0 org.apache.wayang.extensions.iejoin org.apache.wayang wayang-core 0.7.0 org.apache.wayang wayang-basic 0.7.0 org.apache.wayang wayang-java 0.7.0 wayang-iejoin_2.12 java8 1.8 wayang-iejoin_2.11