For Ubuntu 14 use Subversion 1.8
sudo add-apt-repository ppa:dominik-stadler/subversion-1.8
sudo apt-get update
sudo apt-get install libsvn-java
In eclipse.ini add:
-Djava.library.path=/usr/lib/x86_64-linux-gnu/jni
Resources
Eclipse MARS – JavaHL – Subversive – Subclipse – SVN