As a workaround: edit the postinst to remove the section about any openjdks you don't have installed, remove the spurious manpage from /usr/share/man/man1/itweb-settings.1.gz, run dpkg --configure --pending, and possibly also update-alternatives --config itweb-settings.
As a workaround: edit the postinst to remove the section about any openjdks you don't have installed, remove the spurious manpage from /usr/share/ man/man1/ itweb-settings. 1.gz, run dpkg --configure --pending, and possibly also update-alternatives --config itweb-settings.
Ugh, indeed.