Errors running builder 'Maven Project Builder' on project "XXX"

Errors occurred during the build.
Errors running builder 'Maven Project Builder' on project 'XXX'.
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

新从svn上下载代码，使用maven->update project，下载maven管理的jar包，一直报这个问题，修改了各种配置和设置都不成功，最后发现居然是网络问题，没想到公司自己网络相互之间居然有不通的，经验主义害死人，修改了网络连接就好了