Checking status for listener process APPS_$SID.
LSNRCTL for Linux: Version 10.1.0.5.0 - Production on 09-FEB-2016 20:42:21
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Connecting to (ADDRESS=(PROTOCOL=TCP)(Host=$hostname)(Port=1631))
Are $SID and $hostname appearing as above ? If so, then likely environment variables are not being set correctly
also check if application user have write permission on /tmp and /var/tmp
What are the errors recorded in the log:
Post the contents of the listener logfile: adalnctl.txt
Thanks for all the informative responses. At the outside, it appeared that the 10.1.3 patch broke some of the executables in the 10.1.2 home (never supposed to happen) - so I cloned and re-cloned - multiple times and finally was able to apply all patches, and import the certificate successfully.