org.apache.maven.plugins:maven-resources-plugin:jar:2.6 Plugin

Could not calculate build plan:

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 Plugin 

将maven 本地倉庫下的 org.apache.maven.plugins 目錄下的所有檔案删除，重新下載下傳。

然後update maven project 

ok 解決了