“Opinions expressed are solely my own and do not express the views or opinions of my employer.” I upgraded a database from 12.1 to 12.2, from 12.2 to 19.3, and then from 19.3 to 19.15 on an environment with Oracle Restart (HAS). However, after successfully applying the patch and the environment running 19.15, the datapath hanged on the “Installing patches…” part of the script followed by the error ” Died at $ORACLE_HOME/rdbms/admin/catcon.pm line 18217″ after a while. Follow below an example of the description above: The solution to it was…