I just installed ubuntu 16.04 and downloaded eclipse and extracted. When i start eclipse the welcome page is empty.
When i start the eclipse marketplace nothing happ
It's probably due to the GTK 3 SWT implementation. Eclipse should work perfectly with GTK 2, but uses GTK 3 on recent ubuntu.
Do a test in the command line to verify it:
Disable GTK: export SWT_GTK3=0
Launch eclipse in the same session: eclipse
If it works, make it permanent. Locate eclipse.desktop and add:
Exec=env SWT_GTK3=0 eclipse