Not a bug. the user didn't accept the license.
Selecting previously deselected package sun-java6-jre.
Unpacking sun-java6-jre (from .../sun-java6-jre_6-07-4ubuntu2_all.deb) ...
user did not accept the sun-dlj-v1-1 license
dpkg: error processing
** Attachment added: DpkgTerminalLog.txt
http://launchpadlibrarian.net/18297689/DpkgTerminalLog.txt
--
package sun-java6-jre None [modified: /var/lib/dpkg/info/sun-java6-jre.list]
failed to install/upgrade: subprocess pre-installation script returned error
exit status 1