TNS Error after upgrade database to 10.2.0.2.0

Question

Hi,
After upgrade my database from 10.2.0.1.0 to 10.2.0.2.0,
I got TNS error and couldn't connect to database anymore.
Here are the testing message.
C:\Documents and Settings\Administrator>tnsping malecare
TNS Ping Utility for 32-bit Windows: Version 10.2.0.2.0 - Production on 09-JAN-2
008 10:32:41
Copyright (c) 1997, 2005, Oracle. All rights reserved.
Used parameter files:
C:\oracle\product\10.2.0\db_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.
1)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = malecare))
OK (30 msec)
C:\Documents and Settings\Administrator>sqlplus /nolog
SQL*Plus: Release 10.2.0.2.0 - Production on Wed Jan 9 10:33:42 2008
Copyright (c) 1982, 2005, Oracle. All Rights Reserved.
SQL> connect / as sysdba
ERROR:
ORA-12560: TNS:protocol adapter error
SQL> connect sys/xxxxx@malecare as sysdba
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
Any suggestion would be appreciated.

Answer 1

C:\>lsnrctl
LSNRCTL for 32-bit Windows: Version 10.2.0.2.0 - Production on 09-JAN-2008 11:37
:18
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Welcome to LSNRCTL, type "help" for information.
LSNRCTL> reload listener
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
The command completed successfully
LSNRCTL> status listener
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.2.0 - Produ
ction
Start Date 09-JAN-2008 11:36:16
Uptime 0 days 0 hr. 1 min. 14 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File C:\oracle\product\10.2.0\db_1\network\admin\listener.o
ra
Listener Log File C:\oracle\product\10.2.0\db_1\network\log\listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "MALECARE" has 1 instance(s).
Instance "MALECARE", status UNKNOWN, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL> exit
C:\>sqlplus /nolog
SQL*Plus: Release 10.2.0.2.0 - Production on Wed Jan 9 11:37:41 2008
Copyright (c) 1982, 2005, Oracle. All Rights Reserved.
SQL> connect / as sysdba
ERROR:
ORA-12560: TNS:protocol adapter error
SQL> connect sys/xxxxx@malecare as sysdba
ERROR:
ORA-12518: TNS:listener could not hand off client connection