NL-00051: internal error code, arguments: [302], [1], [], [], [], [], []

NL-00051: internal error code, arguments: [302], [1], [], [], [], [], []

First Place to SEE LISTENER.ORA FILE.
Our Listener.ora file entry is not correct format that is why we receive above error.
#My wrong listener.ora file entry.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.1.0\Db_1)
(PROGRAM = extproc)
(SID_LIST =
(SID_NAME = oracle)
(ORACLE_HOME = C:\oracle\product\10.1.0\Db_1)
(PROGRAM = extproc)
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 0a49914.domainname.local)(PORT = 1521))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)

C:\>lsnrctl start

LSNRCTL for 32-bit Windows: Version 10.1.0.2.0 - Production on 19-FEB-2007 12:46
:43

Copyright (c) 1991, 2004, Oracle. All rights reserved.

Starting tnslsnr: please wait...

TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Production
System parameter file is C:\oracle\product\10.1.0\Db_1\network\admin\listener.or
a
Log messages written to C:\oracle\product\10.1.0\Db_1\network\log\listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0a49914.domainname.local)(PORT=1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROCipc)
))
NL-00051: internal error code, arguments: [302], [1], [], [], [], [], []

Listener failed to start. See the error message(s) above...


C:\>
#when we try to START LISTENER SERVICES every time received NL-00051 error.
edit listener.ora file like below ( remove above bold line from listener.ora file becuase it is wrong entry)

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.1.0\Db_1)
(PROGRAM = extproc)
(SID_NAME = oracle)
(ORACLE_HOME = C:\oracle\product\10.1.0\Db_1)

)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 0a49914.domainname.local)(PORT = 1521))
)
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
)
)
)

C:\>lsnrctl start

LSNRCTL for 32-bit Windows: Version 10.1.0.2.0 - Production on 19-FEB-2007 12:52
:30

Copyright (c) 1991, 2004, Oracle. All rights reserved.

Starting tnslsnr: please wait...

TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Production
System parameter file is C:\oracle\product\10.1.0\Db_1\network\admin\listener.or
a
Log messages written to C:\oracle\product\10.1.0\Db_1\network\log\listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0a49914.domainname.local)(PORT=1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROCipc)
))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=0a49914.domainname.local)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.1.0.2.0 - Produ
ction
Start Date 19-FEB-2007 12:52:30
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File C:\oracle\product\10.1.0\Db_1\network\admin\listener.o
ra
Listener Log File C:\oracle\product\10.1.0\Db_1\network\log\listener.log

Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=0a49914.domainname.local)(PO
RT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROCipc)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

C:\>