4.0.0 io.druid.extensions druid-kafka-eight druid-kafka-eight druid-kafka-eight io.druid druid 0.7.0-SNAPSHOT ../../pom.xml io.druid druid-api org.apache.kafka kafka_2.8.0 0.8.1.1 log4j log4j org.apache.zookeeper zookeeper junit junit test