Eclipse 3.5 on Ubuntu 9.10
If you upgrade to Ubuntu 9.10 and then eclipse buttons stop work.
There is some bug in eclipse regardes to SWT on GTK
https://bugs.eclipse.org/bugs/show_bug.cgi?id=287307 this bug is fix in eclipse 3.6 M2
There is workaround to set System enviorment in the shell you start eclipse from.
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