When running Eclipse 3.0.2 on Linux GTK AMD64, there is a known error:

	java.lang.UnsatisfiedLinkError: gtk_tree_view_column_get_fixed_width

For more details see:

	http://bugs.eclipse.org/bugs/show_bug.cgi?id=89911

The fix is to upgrade to version 3.0.2.1 of the fragment org.eclipse.swt.gtk64.  

The upgrade is available at:

	http://dev.eclipse.org/viewcvs/index.cgi/%7Echeckout%7E/platform-swt-home/patch/org.eclipse.swt.gtk64_3.0.2.zip

Download the zip file and extract it into the plugin folder of your Eclipse 3.0.2 install.