mac svn バージョンアップ

$ svn --version
svn, version 1.4.4 (r25188)
compiled May 31 2008, 03:45:57

http://www.nabble.com/Unable-to-load-default-SVN-client.-td18737157.html

You need Subversion 1.5 and the JavaHL library. OSX comes with 1.4
(and does not include JavaHL). You can download an OSX installer
here:

http://www.collab.net/downloads/community/

When you install Subclipse, you also need to install the JavaHL client
adapter. It is listed as recommended, but not required.

http://latower.com/2009/05/upgrading-subversion-on-osx/

http://www.collab.net/downloads/community/ からダウンロード。インストール
/usr/bin/svn* をバックアップして /opt/subversion/bin/svn*にシンボリックリンク

sudo ln -s /opt/subversion/bin/svn svn
sudo ln -s /opt/subversion/bin/svnadmin svnadmin
sudo ln -s /opt/subversion/bin/svndumpfilter svndumpfilter
sudo ln -s /opt/subversion/bin/svnlook svnlook
sudo ln -s /opt/subversion/bin/svnserve svnserve
sudo ln -s /opt/subversion/bin/svnsync svnsync
sudo ln -s /opt/subversion/bin/svnversion svnversion

$ svn --version
svn, version 1.6.2 (r37639)
compiled May 14 2009, 14:34:54

Subclipse 1.4が動くようになった