The selected wizard could not be started.Plug-in org.tigris.subversion.subclipse.ui was unable to load classorg.tigris.subversion.subclipse.ui.wizards.CheckoutWizard.

An error occurred while automatically activating bundle org.tigris.subversion.subclipse.ui 

eclipse  使用import  SVN 迁入项目报错，

我没耐心看，直接下载最新的subeclipse  将包覆盖在eclipse对应的安装包下，立马解决！