Calculating upgrade... Done
The following packages will be REMOVED:
bluej gdm3 gnome-control-center gnome-core gnome-session gnome-shell-extensions libmutter0g libwebkitgtk-1.0-common libwebkitgtk-3.0-common openjdk-7-jdk openjdk-7-jre openjdk-7-jre-headless tzdata-java
Ooops. Just wait or any action required ? Last d-u was...don't know, a while ago.