Eclipse buttons, some shortcuts not woks under Ubuntu 9.10(Karmic Koala)

Problem
Some buttons not react on mouse clicks under Ubuntu 9.10, shortcust like CTRL+SHIFT+T not works to, Updates not works for eclipse.
Solution
set following environment variable

export GDK_NATIVE_WINDOWS=1
#and than run eclipse
./eclipse

You should run eclipse at the same terminal window where set GDK_NATIVE_WINDOWS=1
Useful links
Details of problem