EBS : ERROR: OUI files not found at their expected location.

ERROR:

[oraprod@drebsdb01 TEST_drebsdb01]$ perl adpreclone.pl appsTier

                     Copyright (c) 2002 Oracle Corporation
                        Redwood Shores, California, USA

                        Oracle Applications Rapid Clone

                                 Version 12.0.0

                      adpreclone Version 120.20.12010000.5

Enter the APPS User Password:
Running:
perl /oradb/oracle/11.2.0.3/appsutil/bin/adclone.pl java=/oradb/oracle/11.2.0.3/jdk/jre mode=stage stage=/oradb/oracle/11.2.0.3/appsutil/clone component=appsTier method=CUSTOM dbctx=/oradb/oracle/11.2.0.3/appsutil/TEST_drebsdb01.xml showProgress
APPS Password :
You must define an applications context to use
        appctx=<applications context file>


ERROR: OUI files not found at their expected location. Please make sure that the pre-requisite OUI patch was applied correctly: patch should be unzipped directly at the ORACLE_HOME root level so that OraInstaller.jar exists in either
/oui/jlib/
or
/oui/lib/
Restart adclone.pl after performing required corrections.

ERROR while running perl /oradb/oracle/11.2.0.3/appsutil/bin/adclone.pl java=/oradb/oracle/11.2.0.3/jdk/jre mode=stage stage=/oradb/oracle/11.2.0.3/appsutil/clone component=appsTier method=CUSTOM dbctx=/oradb/oracle/11.2.0.3/appsutil/TEST_drebsdb01.xml showProgress ...
Mon Dec  1 09:28:49 2014

Soultion:

Check in which tier you are running the perclone and pass the parameter correctly as dbTier for DatabaseTier and appsTier for ApplicationTier