Opatch failed WITH error code 73

1. Opatch failed WITH error code 73.

You may get below message FOR the above error code

Running prerequisite CHECK..

prerequistie CHECK "CheckActiveFilesandExecutables" failed.

Following executables are active

/u0/abcd/db/tech_st/11.2.0/bin/oracle

UtilSession failed:prerequisite CHECK "CheckActiveFilesandExecutables" failed.

Opatch failed WITH error code 73.

To Fix this Issue:

CHECK

ps -ef | grep oracle

ps -ef | grep tns

oracle process may be running.

KILL the Oracle process.

KILL -9 process-id

2. ORA-12162 : TNS: net service name IS incorrectly specified

Sqlplus '/as sysdba'

The error message ORA-12162 IS very misleading, AS it suggests there IS a problem WITH the tnsnames.ora FILE CONTENTS.

To Fix this Issue:

export ORACLE_HOME=/u01/abcd/db/tech_st/11.1.0

export ORACLE_SID=ABCD (Your SID)