The current solution seems to be either to go to Preferences -> Advanced and then choose the "MetalLookAndFeel" or to edit /etc/java-7-openjdk/accessibility.properties and to disable assistive_technologies=org.GNOME.Accessibility.AtkWrapper.
The current solution seems to be either to go to Preferences -> Advanced and then choose the "MetalLookAndFeel" or to edit /etc/java- 7-openjdk/ accessibility. properties and to disable assistive_ technologies= org.GNOME. Accessibility. AtkWrapper.