Maven pom.xml文件异常

异常描述:


  Failure to transfer org.apache.maven.surefire:surefire:pom:2.7.1 from http://repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted 
 until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.apache.maven.surefire:surefire:pom:2.7.1 from/to central 
 (http://repo1.maven.org/maven2): No response received after 60000


问题解决:

   1.打开maven的本地库C:\Users\小山\.m2\repository\org\apache\maven\surefire\surefire\2.7.1,删除maven-        surefire-plugin-2.7.1.pom.lastUpdated文件

2.右键点击project -> Maven - Update Dependencies