unable to load default svn client

In Eclipse under Win7, subclipse 1.10.x is installed, subclipse and subversion Client Adapter have been selected. however, when creating a new SVN repository, the error unable to load default svn client appears. in

Help –> Install new Software –> Work with: (svn_1.10.x -http://subclipse.tigris.org/update_1.10.x) 选中subclipse 下的Subversion JavaHL Native Library Adpter OK.