On 2018-05-23 09:59, 積丹尼 Dan Jacobson wrote:
Finally recovered with aptitude install default-jre/sid aptitude purge openjdk-11-jre openjdk-11-jre-headless What a mess.
It is a mess you created by installing packages from experimental.My recommendation for you is to downgrade all packages you have installed from experimental to their version in unstable, and remove the experimental entries from your sources.list.
Kind Regards, Bas