ERROR:RC-20200: Fatal: Could not find Unzip. At this time only Native UnZip 5.X is supported,RC-00110: Fatal: Error occurred while relinking of ApplyDBTechStack

$perl  adcfgclone.pl dbTier

Error:

Platform:  Oracle Enterprise Linux 5.9
RC-20200: Fatal: Could not find Unzip. At this time only Native UnZip 5.X is supported.
RC-00110: Fatal: Error occurred while relinking of ApplyDBTechStack
Solution:-

Just do an ls -lrt at /app/oracle/ebsd/db/tech_st/11.2.0/appsutil/template and check if the adcrdb.sh is present and its with correct permissions.