解决：Plugin org.apache.maven.plugins:maven-resources-plugin:2.6错误

Maven时出现以下错误

Errors occurred during the build.

Errors running builder 'Maven Project Builder' on project 'aaa'.
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 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 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 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

找到maven的包的位置：window->preferences->Maven->User Settings找到。 
一般是在：{user.home}.m2\repository

2、查看是哪个包的问题，例如：我的问题是org.apache.maven.plugins:maven-resources-plugin包下的2.6出了问题。 
则找到：C:\Users\Admin.m2\repository\org\apache\maven\plugins\maven-resources-plugin\2.6 删除这个包。

3、回到Eclipse右键项目选择Maven->Update Project…