OPatch failed to locate Central Inventory.

OPatch failed to locate Central Inventory.

[oracle@ranesh OPatch]$ optach lsinventory –all

Oracle Interim Patch Installer version 12.2.0.1.19

Copyright (c) 2020, Oracle Corporation.  All rights reserved.

Oracle Home       : /u01/app/oracle/product/12.2.0/dbhome_4

Central Inventory : /u01/app/oraInventory

   from           : /u01/app/oracle/product/12.2.0/dbhome_4/oraInst.loc

OPatch version    : 12.2.0.1.19

OUI version       : 12.2.0.1.4

Log file location : /u01/app/oracle/product/12.2.0/dbhome_4/cfgtoollogs/opatch/opatch2020-04-19_08-59-07AM_1.log

LsInventorySession failed: OPatch failed to locate Central Inventory.

Possible causes are:

    The Central Inventory is corrupted

    The oraInst.loc file specified is not valid.

OPatch failed with error code 73

Solution:

[oracle@ranesh OPatch]$  cd $ORACLE_HOME/oui/bin

[oracle@ranesh bin]$ ./runInstaller -silent -invPtrLoc "/etc/oraInst.loc" -attachHome ORACLE_HOME="/u01/app/oracle/product/12.2.0/dbhome_4" ORACLE_HOME_NAME="Ora12cHome"

Starting Oracle Universal Installer...

Checking swap space: must be greater than 500 MB.   Actual 8987 MB    Passed

The inventory pointer is located at /etc/oraInst.loc

'AttachHome' was successful.

[oracle@ranesh patches]$ $ORACLE_HOME/OPatch/opatch prereq CheckConflictAgainstOHwithDetail -ph ./

Oracle Interim Patch Installer version 12.2.0.1.19

Copyright (c) 2020, Oracle Corporation.  All rights reserved.

PREREQ session

Oracle Home       : /u01/app/oracle/product/12.2.0.1/db_1

Central Inventory : /u01/app/oraInventory

   from           : /u01/app/oracle/product/12.2.0.1/db_1/oraInst.loc

OPatch version    : 12.2.0.1.19

OUI version       : 12.2.0.1.4Oracle Interim Patch Installer version 12.2.0.1.19

Copyright (c) 2020, Oracle Corporation.  All rights reserved.

PREREQ session

Oracle Home       : /u01/app/oracle/product/12.2.0/dbhome_4

Central Inventory : /u01/app/oraInventory

   from           : /u01/app/oracle/product/12.2.0/dbhome_4/oraInst.loc

OPatch version    : 12.2.0.1.19

OUI version       : 12.2.0.1.4

Log file location : /u01/app/oracle/product/12.2.0/dbhome_4/cfgtoollogs/opatch/opatch2020-04-19_09-03-53AM_1.log

Invoking prereq "checkconflictagainstohwithdetail"

Prereq "checkConflictAgainstOHWithDetail" failed.

The details are:

There is a prereq/overlay cycle exist in being applied patches.

Summary of Conflict Analysis:

There are no patches that can be applied now.

OPatch succeeded.