11gR2 Listener Fails to Start: TNS-12541 TNS: No Listener

(Doc ID 1328105.1)

Last updated on MAY 01, 2017

Applies to:

Oracle Net Services - Version to [Release 11.2]
Generic UNIX


The 11gR2 Oracle TNS Listener fails to start and throws the error stack below:

LSNRCTL for IBM/AIX RISC System/6000: Version - Production on 26-MAY-2011 12:40:00

Copyright (c) 1991, 2010, Oracle. All rights reserved.

Starting /app/host/product/11.2.0/db_home1/bin/tnslsnr: please wait...

TNSLSNR for IBM/AIX RISC System/6000: Version - Production
System parameter file is /app/host/product/11.2.0/db_home1/network/admin/listener.ora
Log messages written to /app/host/diag/tnslsnr/LISTENER/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=yourhost.com)(PORT=1521)))

Connecting to (ADDRESS=(PROTOCOL=TCP)(HOST=yourhost.com)(PORT=1521))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
IBM/AIX RISC System/6000 Error: 79: Connection refused


This is a new installation.  In this case, the SNMP_RW.ORA file was copied from another installation.


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