ORA-12537: TNS:connection closed
I've installed Oracle 11g Ubuntu 9.10...It worked well yesterday...I got this exception today..Could anyone help me out with this?
michael@michael-laptop:/$ lsnrctl status
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2009 21:27:13
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 17-DEC-2009 21:18:35
Uptime 0 days 0 hr. 8 min. 38 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /app/oracle/diag/tnslsnr/michael-laptop/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl" has 1 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
michael@michael-laptop:/app/oracle/diag/tnslsnr/michael-laptop/listener/trace$ lsnrctl service
LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 17-DEC-2009 21:27:35
Copyright (c) 1991, 2009, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "orcl" has 1 instance(s).
Instance "orcl", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:1
LOCAL SERVER
The command completed successfully
michael@michael-laptop:~$ sqlplus
SQL*Plus: Release 11.2.0.1.0 Production on Thu Dec 17 21:18:40 2009
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Enter user-name: sys@orcl as sysdba
Enter password:
ERROR:
ORA-12537: TNS:connection closed
Here is my listener.log, and it is only 10.9kb
17-DEC-2009 21:18:53 * (CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=orcl)(CID=(PROGRAM=sqlplus)(HOST=michael-laptop)(USER=michael))) * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=5875)) * establish * orcl * 12518
TNS-12518: TNS:listener could not hand off client connection
TNS-12547: TNS:lost contact
TNS-12560: TNS:protocol adapter error
TNS-00517: Lost contact
Linux Error: 32: Broken pipe
and I've added
127.0.0.1 localhost
to /etc/hosts
could anyone help me out with this ?
thanks
Edited by: user12088284 on Dec 17, 2009 5:32 AM