Unable to browse databases with Oracle APM (or individual Oracle RMAN/Online APM) (79901)

Date - 09/2007
Affected Product & Version - NetVault: Backup 7.4.5
Affected Module & Version - All versions of Oracle Online/RMAN APM, Oracle APM v5.0
OS Version - All supported platforms
Application Information - Oracle 9.2.x, 10.1.x, 10.2.x


Description:
Unable to browse databases with Oracle APM (or individual Oracle RMAN/Online APM)

Symptoms:
Even though the database is mounted and open, APM can't login and browse database.

When "Oracle Home" path is configured with slash (/) at the end -

ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist

With extra space put at the end of the path, login fails with error -

Invalid home directory supplied

Edit the database configuration and make sure that there is no extra space or slash at the end of the Oracle Home path.