i am working on Ubuntu10.10 OS and i have downloaded eclipse-jee-helios-SR1-linux-gtk-x86_64.tar.gz. my computer is 64 bit machine.
when i untar eclipse and try run
My bet is that you are using a x86 Ubuntu with a x86_64 JVM. To make sure your Ubuntu is 64 bits, run the following command:
$ uname -i