In order to use CSE SDK, which is based on ServiceComb-java-chassis, you need to use the following maven mirrors. Or you can download maven artifacts and import it to your local maven repository.
<mirrors>
<mirror>
<id>mirrorId</id>
<mirrorOf>*</mirrorOf>
<name>Mirror of central repository.</name>
<url>http://maven.huaweicse.com/nexus/content/groups/public</url>
</mirror>
</mirrors>