11gR2 Listener Fails to Start: TNS-12541 TNS: No Listener
Last updated on MAY 01, 2017
Applies to:Oracle Net Services - Version 220.127.116.11 to 18.104.22.168 [Release 11.2]
The 11gR2 Oracle TNS Listener fails to start and throws the error stack below:
LSNRCTL for IBM/AIX RISC System/6000: Version 22.214.171.124.0 - 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...
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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