4.0.0 flink-parent org.apache.flink 2.1-SNAPSHOT flink-datastream Flink : DataStream : Impl jar --add-opens=java.base/java.util=ALL-UNNAMED org.apache.flink flink-datastream-api ${project.version} org.apache.flink flink-streaming-java ${project.version} org.apache.flink flink-test-utils-junit test org.apache.flink flink-streaming-java ${project.version} test-jar test org.apache.flink flink-runtime ${project.version} test-jar test