Run opatch after clone
After an instance was cloned, opatch does not work in our R12.1.3 with error:
$ opatch lsinventory
Oracle Interim Patch Installer version 1.0.0.0.63
Copyright (c) 2009 Oracle Corporation. All Rights Reserved..
Oracle recommends you to use the latest OPatch version
and read the OPatch documentation available in the OPatch/docs
directory for usage. For information about the latest OPatch and
other support-related issues, refer to document ID 293369.1
available on My Oracle Support (https://myoraclesupport.oracle.com)
Oracle Home : /aru04/app/TRAIN/apps/tech_st/10.1.2
Oracle Home Inventory : /aru04/app/TRAIN/apps/tech_st/10.1.2/inventory
Central Inventory : /aru04/app/oraTRAINInventory
from : /etc/oraInst.loc