java_home:
# This file determines the search order the Eclipse Platform uses to find a
# compatible JAVA_HOME. This setting may be overridden on a per-user basis by
# altering the JAVA_HOME setting in ~/.eclipse/eclipserc.
/usr/lib/jvm/java-1.5.0-sun
/usr/lib/jvm/java-gcj
/usr/lib/kaffe/pthreads
/usr/lib/j2se/1.5
/usr/lib/j2se/1.4
/usr/lib/j2sdk1.5-ibm
/usr/lib/j2sdk1.4-ibm
/usr/lib/j2sdk1.5-sun
/usr/lib/j2sdk1.4-sun
19:49 <@sn0> and also run kate /home/yourusername/.eclipse/eclipserc
JAVA_HOME=/usr/lib/jvm/java-1.5.0-sun/