Oracle Inventory Issue ( inventory check has failed)

At least one Oracle inventory check has failed.

Provide the location of a valid inventory file.

we fix this inventory issue.

 Good note on Oracle Support, which descibes about , what homes to expect on a 12.2 ebs environment and how to re-attach them.

R12.2 How To Re-attach Oracle Homes To The Central Inventory (Doc ID 1586607.1)

using the above note I attached the problem webtier and Oracle_EBS-app1

cd $ORACLE_HOME/oui/bin/runInstaller -silent -attachHome -invPtrLoc /etc/oraInst.loc ORACLE_HOME="$ORACLE_HOME" ORACLE_HOME_NAME="dbhomefs1"

cd $ORACLE_HOME/oui/bin/runInstaller -silent -attachHome -invPtrLoc /etc/oraInst.loc ORACLE_HOME="$ORACLE_HOME" ORACLE_HOME_NAME="dbhomefs2"

Now I again re-run the adop phase=prepare

This time , it seems to be running successfully ...

and  it completed successfully...

Approximately it had taken 40 minutes to complete the cycle.