EM12c, EM13c : Database discover fails if listener.ora has specific format

(Doc ID 2372510.1)

Last updated on MARCH 12, 2018

Applies to:

Enterprise Manager for Oracle Database - Version 12.1.0.5.0 and later
Information in this document applies to any platform.

Symptoms

In Enterprise Manager (EM) Cloud Control, trying to discover the database instance target fails with following error:

<HOSTNAME> : <Location>/listener.ora- Config File <Location>/listener.ora has invalid entries.

If the listener.ora has the following format the database is not discovered and no errors are reported in log files.

LISTENER_NAME =
(description =
    (address=(protocol=tcp)(host=hostname)(port=port))
)

Cause

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