[ERROR] Plugin org.apache.maven.plugins:maven-resources-plugin:2.6 or one of its

 dependencies could not be resolved: Failed to read artifact descriptor for org.

apache.maven.plugins:maven-resources-plugin:jar:2.6: Could not transfer artifact

 org.apache.maven.plugins:maven-resources-plugin:pom:2.6 from/to maven-net-cn (h

ttp://maven.net.cn/content/groups/public/): Connect to maven.net.cn:80 [maven.ne

t.cn/114.215.201.67] failed: Connection refused: connect -> [Help 1]