ucloud-sdk-java cn.ucloud 0.8.4.4-release 4.0.0 ucloud-sdk-java-udb 0.8.4.4-release cn.ucloud ucloud-sdk-java-common 0.8.4.4-release org.hibernate hibernate-validator junit junit test org.slf4j slf4j-api org.slf4j slf4j-simple provided org.skyscreamer jsonassert test