On making today found a Maven project study, have never thought has been an error, himself to look a lot of information on the Internet, are all said ecplise when configuring Maven should pay attention to what, but have not been solved, I hope eldest brother can give me this rookie only a little help,
Let me about the problem below:
Ecplise has been reported after this error:

Could not calculate build plan: Plugin org.apache.maven.plugins:maven-resources-plugin:2.6 or one of its dependencies could not be resolved: Failure to transfer org.apache.maven.plugins:maven-resources-plugin:jar:2.6 from http://maven.aliyun.com/nexus/content/groups/public was cached in the local repository, resolution will not be reattempted until the update interval of aliyun has elapsed or updates are forced. Original error: Could not transfer artifact org.apache.maven.plugins:maven-resources-plugin:jar:2.6 from/to aliyun (http://maven.aliyun.com/nexus/content/groups/public):