4.0.0 org.apache.pulsar pulsar 1.21.0-incubating-SNAPSHOT .. pulsar-common Pulsar Common Common libraries needed by client/broker/tools org.slf4j slf4j-api com.fasterxml.jackson.core jackson-databind com.google.protobuf protobuf-java com.google.guava guava io.netty netty-all net.jpountz.lz4 lz4 org.apache.pulsar pulsar-checksum ${project.version}