From 779416 and Adrian Wilkins:
Removing this environment variable from the startup script /usr/bin/eclipse fixes this - the thumb is drawn and usable.
export GDK_NATIVE_WINDOWS=true
From 779416 and Adrian Wilkins:
Removing this environment variable from the startup script /usr/bin/eclipse fixes this - the thumb is drawn and usable.
export GDK_NATIVE_ WINDOWS= true