resolution will not be reattempted until the update interval of vas has elap

转自：http://kia126.iteye.com/blog/1785120

maven在执行过程中抛错： 

引用

... was cached in the local repository, resolution will not be reattempted until the update interval of nexus has elapsed or updates are forced -> [Help 1]

原因就是有些jar包没有完全下载完成，在编译的时候找不到jar包。只需要在配置文件中增加一个更新策略<updatePolicy>always</updatePolicy>就可以了。 
找到你的conf/setting.xml 

引用

<profile> 
  <id>nexus</id> 
  <!--Enable snapshots for the built in central repo to direct --> 
  <!--all requests to nexus via the mirror --> 
  <repositories> 
    <repository> 
      <id>central</id> 
      <url>http://central</url> 
      <releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases> 
      <snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots> 
    </repository> 
  </repositories> 
<pluginRepositories> 
    <pluginRepository> 
      <id>central</id> 
      <url>http://central</url> 
      <releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases> 
      <snapshots><enabled>true</enabled><updatePolicy>always</updatePolicy></snapshots> 
    </pluginRepository> 
  </pluginRepositories> 
</profile>