install subclipse 1.8.x

1. search subclipse from eclipse markerplace.

2. apt-get install libsvn-java


3. modify eclipse.ini.  add the below red line.  (source)

-showsplash
org.eclipse.platform
-framework
plugins/org.eclipse.osgi_3.4.0.v20080605-1900.jar
-vmargs
-Djava.library.path=/usr/lib/jni
-Dosgi.requiredJavaVersion=1.5
-Xms40m
-Xmx512m
-XX:MaxPermSize=256m

if it shows "incompatible javahl library loaded. 1.7.x or later required."

Remove your existing libsvn-java:

sudo apt-get purge libsvn-java
Then, add the following software source and re-install:

sudo add-apt-repository ppa:dominik-stadler/subversion-1.7
sudo apt-get update
sudo apt-get install libsvn-java
(source)