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

Last updated on DECEMBER 06, 2016

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.1 to 10.2.0.4 [Release 10.2]
Information in this document applies to any platform.
***Checked for relevance on 22-Sep-2016***

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

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