solution:
Install XULRunner from https://developer.mozilla.org/en-US/docs/Mozilla/Projects/XULRunner/1.8.0.4
558 tar -zxvf xulrunner-1.8.0.4.en-US.linux-i686.tar.gz
560 xulrunner –register-global
567 mv xulrunner /opt/
573 ./xulrunner –register-global
if you are getting any dependency folders are missing install them
576 yum install libstdc++*
577 yum install libgtk-x11-2.0.so.0
578 yum install libgcc_s.so.1
579 yum install libpk-gtk-module.so
601 yum update libXt-1.1.4-6.1.el6*
602 yum install libXt.so.6
603 ./xulrunner –register-global
604 yum install libXt.so.6
Login as root and register XULRunner as global or user level
605 ./xulrunner –register-global
(or)
./xulrunner –register-user
606 cd /usr/lib/
614 less eclipse.ini
615 vi eclipse.ini
And edit eclipse.ini file and locate -vmargs -Dsdp.driver=RADO85-I20120529_2348 …
and add XULRunnerPath as follows
-Dorg.eclipse.swt.browser.XULRunnerPath=/home/xulrunner/1.8.1.3/xulrunner
restart the eclipse environment