nexus-aliyun *,!jeecg,!jeecg-snapshots,!mapr-releases Nexus aliyun http://maven.aliyun.com/nexus/content/groups/public mapr-public mapr-releases mapr-releases https://maven.aliyun.com/repository/mapr-public libs-release central https://repo.spring.io/libs-release confluent confluent Nexus public mirror http://packages.confluent.io/maven/