This problem no longer occurs with version 4.1.2-0ubuntu5 of gcjwebplugin-4.1, and iceape-browser version 1.1.1+u2-0ubuntu1.
This problem no longer occurs with version 4.1.2-0ubuntu5 of gcjwebplugin-4.1, and iceape-browser version 1.1.1+u2-0ubuntu1.