My Oracle Support Banner

dbstart generates "ORACLE_HOME_LISTNER is not SET, unable to auto-start Oracle Net Listener" error (Doc ID 336299.1)

Last updated on FEBRUARY 25, 2025

Applies to:

Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


Symptoms

While executing the $ORACLE_HOME/bin/dbstart it fails with an error similar to the following:

$ dbstart
ORACLE_HOME_LISTNER is not SET, unable to auto-start Oracle Net Listener
Usage: /u01/app/oracle/product/10.2.0/bin/dbstart ORACLE_HOME

Cause

To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document
Symptoms
Cause
Solution
References

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.