When an Oracle PDB hot clone doesn’t work

After nearly a year, a scheduled scripted PDB hot clone worked flawlessly, and ‘suddenly’ it failed with this error in the target cdb alert log. Some explanation:CDB1900A/PROD is the source cdb/pdb on machine PRODUCTIONCDB1900B/CLONER is the target cdb/pdb on machine CLONE 2021-03-08 15:50:49.421000 +01:00 CREATE PLUGGABLE DATABASE CLONER FROM PROD@clone_pdb Lees verder