TNS-12560: TNS:protocol adapter error, TNS 00583 Valid node checking unable to parse configuration parameters facing error while trying to start listener.
Fixing TNS 00583 Valid node checking unable to parse configuration parameters.

Error: –
dbuatsrv$ lsnrctl start DBUAT
TNSLSNR for Linux: Version 19.0.0.0.0 – Production
System parameter file is /dbuat/oracle/DBUAT/db/tech_st/19.3.0/network/admin/listener.ora
Log messages written to /dbuat/oracle/DBUAT/db/tech_st/19.3.0/log/diag/tnslsnr/dbuatsrv/dbuatc/alert/log.xml
Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=dbuatsrv)(PORT=1590)))
TNS-12560: TNS: protocol adapter error
TNS-00583: Valid node checking: unable to parse configuration parameters.
Solution:-
In my case, I just remove the space and put comment on description then save the sqlnet.ora file and the error was removed.
Verification: –
$lsnrctl start DBUAT
LSNRCTL for Linux: Version 19.0.0.0 – Production on 20-JAN-2023 02:41:41
Copyright (c) 1991, 2014, Oracle. All rights reserved.
Starting /dbuat/oracle/DBUAT/db/tech_st/19.3.0/db_1/bin/tnslsnr: please wait…
TNSLSNR for Linux: Version 19.0.0.0.0 - Production
System parameter file is /dbuat/oracle/DBUAT/db/tech_st/19.3.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/dbuatsrv/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbuatsrv)(PORT=1590)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1590)))
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=dbuatsrv)(PORT=1590)))
STATUS of the LISTENER
————————
Alias LISTENER
Version TNSLSNR for Linux: Version 19.3.0.0 – Production
Start Date 20-JAN-2023 02:41:42
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /dbuat/oracle/DBUAT/db/tech_st/19.3.0/db_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/dbuatsrv/listener/alert/log.xml
Listening Endpoints Summary…
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbuatsrv)(PORT=1590)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1590)))
The listener supports no services
The command completed successful.
Related Posts: –
How to resolve ORA-609 TNS-12537 and TNS-12547 or TNS-12170
WARNING inbound connection timed out ORA-3136 in oracle database.