mariadb-server-10.0 was installed an then mysql-server-5.7 attempted to install over the top. Their tables are different. Purge out your data directory (/var/lib/mysql) if there is no data and try to install it again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1656140 Title: package mysql-server-5.7 5.7.16-0ubuntu0.16.04.1 failed to install/upgrade: サブプロセス 新しい pre-installation スクリプト はエラー終了ステータス 1 を返しました To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.7/+bug/1656140/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs