TNS Listener goes off frequently

I have installed oracle9i on my laptop having operating system Windows XP Home. I have successfully created database, TNS Listener both. I can start TNS Listener as the windows service. But when i try to connect to database using SQL Plus or any other client, TNS Listner goes off. If I start it again, it will be on until next time i will try to connect to database.
This is a strange behaviour of listner i am seeing first time.
If any of you Database GURUs have any idea, why its happening ?
Appreciate your help.
Regards,
Nilesh

Hi 120116
Oracle9i is not certified for XP Home Edition. I have seen a lot of people with that same problem. Regarding that you can not do anything apart from change your OS to XP Professional.
Joel PÃ©rez
http://www.oracle.com/technology/experts

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ORA-12518: TNS:listener could not hand off

Hi
we are having oracle11i (11.5.10.2) on windows 2000 Server (service pack 4) database version 10.2.0.3.
we are getting frequently(Once In a week) Error 'ORA-12518: TNS:listener could not hand off' .What could be the reason for that?
Thanks
With Regards
Umair

Hi
i have noticed Below Error in Alert log file
Wed Apr 08 01:12:03 2009
Process m000 died, see its trace file
Wed Apr 08 01:12:03 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:13:04 2009
Process m000 died, see its trace file
Wed Apr 08 01:13:04 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:14:05 2009
Process m000 died, see its trace file
Wed Apr 08 01:14:05 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:15:06 2009
Process m000 died, see its trace file
Wed Apr 08 01:15:06 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:16:07 2009
Process m000 died, see its trace file
Wed Apr 08 01:16:07 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:17:08 2009
Process m000 died, see its trace file
Wed Apr 08 01:17:08 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:18:09 2009
Process m000 died, see its trace file
Wed Apr 08 01:18:09 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:19:10 2009
Process m000 died, see its trace file
Wed Apr 08 01:19:10 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:20:11 2009
Process m000 died, see its trace file
Wed Apr 08 01:20:11 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:21:12 2009
Process m000 died, see its trace file
Wed Apr 08 01:21:12 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:22:13 2009
Process m000 died, see its trace file
Wed Apr 08 01:22:13 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:23:14 2009
Process m000 died, see its trace file
Wed Apr 08 01:23:14 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:24:15 2009
Process m000 died, see its trace file
Wed Apr 08 01:24:15 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:25:16 2009
Process m000 died, see its trace file
Wed Apr 08 01:25:16 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:26:17 2009
Process m000 died, see its trace file
Wed Apr 08 01:26:17 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:27:18 2009
Process m000 died, see its trace file
Wed Apr 08 01:27:18 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:28:19 2009
Process m000 died, see its trace file
Wed Apr 08 01:28:19 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:28:51 2009
Incremental checkpoint up to RBA [0x32.134e1.0], current log tail at RBA [0x32.1362f.0]
Wed Apr 08 01:29:20 2009
Process m000 died, see its trace file
Wed Apr 08 01:29:20 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:30:21 2009
Process m000 died, see its trace file
Wed Apr 08 01:30:21 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:31:22 2009
Process m000 died, see its trace file
Wed Apr 08 01:31:22 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:32:23 2009
Process m000 died, see its trace file
Wed Apr 08 01:32:23 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:33:24 2009
Process m000 died, see its trace file
Wed Apr 08 01:33:24 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:34:25 2009
Process m000 died, see its trace file
Wed Apr 08 01:34:25 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:35:26 2009
Process m000 died, see its trace file
Wed Apr 08 01:35:26 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:36:27 2009
Process m000 died, see its trace file
Wed Apr 08 01:36:27 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:37:28 2009
Process m000 died, see its trace file
Wed Apr 08 01:37:28 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:38:29 2009
Process m000 died, see its trace file
Wed Apr 08 01:38:29 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:39:30 2009
Process m000 died, see its trace file
Wed Apr 08 01:39:30 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:40:31 2009
Process m000 died, see its trace file
Wed Apr 08 01:40:31 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:41:32 2009
Process m000 died, see its trace file
Wed Apr 08 01:41:32 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:42:33 2009
Process m000 died, see its trace file
Wed Apr 08 01:42:33 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:43:34 2009
Process m000 died, see its trace file
Wed Apr 08 01:43:34 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:44:35 2009
Process m000 died, see its trace file
Wed Apr 08 01:44:35 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:45:36 2009
Process m000 died, see its trace file
Wed Apr 08 01:45:36 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:46:37 2009
Process m000 died, see its trace file
Wed Apr 08 01:46:37 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:47:38 2009
Process m000 died, see its trace file
Wed Apr 08 01:47:38 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:48:39 2009
Process m000 died, see its trace file
Wed Apr 08 01:48:39 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:48:51 2009
Incremental checkpoint up to RBA [0x32.137d1.0], current log tail at RBA [0x32.138e9.0]
Wed Apr 08 01:49:40 2009
Process m000 died, see its trace file
Wed Apr 08 01:49:40 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:50:41 2009
Process m000 died, see its trace file
Wed Apr 08 01:50:41 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:51:42 2009
Process m000 died, see its trace file
Wed Apr 08 01:51:42 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:52:43 2009
Process m000 died, see its trace file
Wed Apr 08 01:52:43 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:53:44 2009
Process m000 died, see its trace file
Wed Apr 08 01:53:44 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:54:45 2009
Process m000 died, see its trace file
Wed Apr 08 01:54:45 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:55:46 2009
Process m000 died, see its trace file
Wed Apr 08 01:55:46 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:56:47 2009
Process m000 died, see its trace file
Wed Apr 08 01:56:47 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:57:48 2009
Process m000 died, see its trace file
Wed Apr 08 01:57:48 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:58:25 2009
Process q003 died, see its trace file
Wed Apr 08 01:58:25 2009
ksvcreate: Process(q003) creation failed
Wed Apr 08 01:58:49 2009
Process m000 died, see its trace file
Wed Apr 08 01:58:49 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 01:59:50 2009
Process m000 died, see its trace file
Wed Apr 08 01:59:50 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:00:51 2009
Process m000 died, see its trace file
Wed Apr 08 02:00:51 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:01:52 2009
Process m000 died, see its trace file
Wed Apr 08 02:01:52 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:02:23 2009
Process m000 died, see its trace file
Wed Apr 08 02:02:23 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:02:54 2009
Process m000 died, see its trace file
Wed Apr 08 02:02:54 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:03:55 2009
Process m000 died, see its trace file
Wed Apr 08 02:03:55 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:04:56 2009
Process m000 died, see its trace file
Wed Apr 08 02:04:56 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:05:57 2009
Process m000 died, see its trace file
Wed Apr 08 02:05:57 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:06:58 2009
Process m000 died, see its trace file
Wed Apr 08 02:06:58 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:07:59 2009
Process m000 died, see its trace file
Wed Apr 08 02:07:59 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:08:51 2009
Incremental checkpoint up to RBA [0x32.13aaf.0], current log tail at RBA [0x32.13ba9.0]
Wed Apr 08 02:09:00 2009
Process m000 died, see its trace file
Wed Apr 08 02:09:00 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:10:01 2009
Process m000 died, see its trace file
Wed Apr 08 02:10:01 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:11:02 2009
Process m000 died, see its trace file
Wed Apr 08 02:11:02 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:12:03 2009
Process m000 died, see its trace file
Wed Apr 08 02:12:03 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:13:04 2009
Process m000 died, see its trace file
Wed Apr 08 02:13:04 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:14:05 2009
Process m000 died, see its trace file
Wed Apr 08 02:14:05 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:15:06 2009
Process m000 died, see its trace file
Wed Apr 08 02:15:06 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:16:07 2009
Process m000 died, see its trace file
Wed Apr 08 02:16:07 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:17:08 2009
Process m000 died, see its trace file
Wed Apr 08 02:17:08 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:18:10 2009
Process m000 died, see its trace file
Wed Apr 08 02:18:10 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:19:11 2009
Process m000 died, see its trace file
Wed Apr 08 02:19:11 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:20:12 2009
Process m000 died, see its trace file
Wed Apr 08 02:20:12 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 02:21:29 2009
Process m001 died, see its trace file
Wed Apr 08 02:21:29 2009
ksvcreate: Process(m001) creation failed
Wed Apr 08 02:28:51 2009
Incremental checkpoint up to RBA [0x32.1477d.0], current log tail at RBA [0x32.14824.0]
Wed Apr 08 02:32:39 2009
Beginning log switch checkpoint up to RBA [0x33.2.10], SCN: 8174171492544
Thread 1 advanced to log sequence 51
Current log# 2 seq# 51 mem# 0: E:\ORACLE\TESTDATA\LOG02B.DBF
Current log# 2 seq# 51 mem# 1: E:\ORACLE\TESTDATA\LOG02A.DBF
Wed Apr 08 02:37:45 2009
Completed checkpoint up to RBA [0x33.2.10], SCN: 8174171492544
Wed Apr 08 02:48:53 2009
Incremental checkpoint up to RBA [0x33.12574.0], current log tail at RBA [0x33.125ef.0]
Wed Apr 08 03:01:18 2009
Process m001 died, see its trace file
Wed Apr 08 03:01:18 2009
ksvcreate: Process(m001) creation failed
Wed Apr 08 03:08:53 2009
Incremental checkpoint up to RBA [0x33.12fd9.0], current log tail at RBA [0x33.13070.0]
Wed Apr 08 03:28:53 2009
Incremental checkpoint up to RBA [0x33.132b6.0], current log tail at RBA [0x33.13340.0]
Wed Apr 08 03:48:53 2009
Incremental checkpoint up to RBA [0x33.13580.0], current log tail at RBA [0x33.13602.0]
Wed Apr 08 04:08:53 2009
Incremental checkpoint up to RBA [0x33.13f0b.0], current log tail at RBA [0x33.13fac.0]
Wed Apr 08 04:28:53 2009
Incremental checkpoint up to RBA [0x33.14264.0], current log tail at RBA [0x33.142ee.0]
Wed Apr 08 04:48:53 2009
Incremental checkpoint up to RBA [0x33.14533.0], current log tail at RBA [0x33.145ad.0]
Wed Apr 08 05:00:45 2009
Process m001 died, see its trace file
Wed Apr 08 05:00:45 2009
ksvcreate: Process(m001) creation failed
Wed Apr 08 05:08:53 2009
Incremental checkpoint up to RBA [0x33.14ef0.0], current log tail at RBA [0x33.14f75.0]
Wed Apr 08 05:20:10 2009
Process q003 died, see its trace file
Wed Apr 08 05:20:10 2009
ksvcreate: Process(q003) creation failed
Wed Apr 08 05:25:40 2009
Process q003 died, see its trace file
Wed Apr 08 05:25:40 2009
ksvcreate: Process(q003) creation failed
Wed Apr 08 05:28:53 2009
Incremental checkpoint up to RBA [0x33.1523d.0], current log tail at RBA [0x33.152ad.0]
Wed Apr 08 05:31:10 2009
Process q003 died, see its trace file
Wed Apr 08 05:31:10 2009
ksvcreate: Process(q003) creation failed
Wed Apr 08 05:36:41 2009
Process q003 died, see its trace file
Wed Apr 08 05:36:41 2009
ksvcreate: Process(q003) creation failed
Wed Apr 08 05:47:40 2009
Process q004 died, see its trace file
Wed Apr 08 05:47:40 2009
ksvcreate: Process(q004) creation failed
Wed Apr 08 05:48:53 2009
Incremental checkpoint up to RBA [0x33.15504.0], current log tail at RBA [0x33.15571.0]
Wed Apr 08 05:51:39 2009
Beginning log switch checkpoint up to RBA [0x34.2.10], SCN: 8174171506953
Thread 1 advanced to log sequence 52
Current log# 3 seq# 52 mem# 0: E:\ORACLE\TESTDATA\LOG03B.DBF
Current log# 3 seq# 52 mem# 1: E:\ORACLE\TESTDATA\LOG03A.DBF
Wed Apr 08 05:53:10 2009
Process q004 died, see its trace file
Wed Apr 08 05:53:10 2009
ksvcreate: Process(q004) creation failed
Wed Apr 08 05:56:42 2009
Completed checkpoint up to RBA [0x34.2.10], SCN: 8174171506953
Wed Apr 08 05:58:40 2009
Process q004 died, see its trace file
Wed Apr 08 05:58:40 2009
ksvcreate: Process(q004) creation failed
Wed Apr 08 06:00:16 2009
Process m000 died, see its trace file
Wed Apr 08 06:00:16 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:01:17 2009
Process m000 died, see its trace file
Wed Apr 08 06:01:17 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:02:18 2009
Process m000 died, see its trace file
Wed Apr 08 06:02:18 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:03:19 2009
Process m000 died, see its trace file
Wed Apr 08 06:03:19 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:04:21 2009
Process m000 died, see its trace file
Wed Apr 08 06:04:21 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:05:22 2009
Process m000 died, see its trace file
Wed Apr 08 06:05:22 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:06:23 2009
Process m000 died, see its trace file
Wed Apr 08 06:06:23 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:07:24 2009
Process m000 died, see its trace file
Wed Apr 08 06:07:24 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:08:25 2009
Process m000 died, see its trace file
Wed Apr 08 06:08:25 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:08:55 2009
Incremental checkpoint up to RBA [0x34.237.0], current log tail at RBA [0x34.2aa.0]
Wed Apr 08 06:09:26 2009
Process m000 died, see its trace file
Wed Apr 08 06:09:26 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:10:27 2009
Process m000 died, see its trace file
Wed Apr 08 06:10:27 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:11:28 2009
Process m000 died, see its trace file
Wed Apr 08 06:11:28 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:12:29 2009
Process m000 died, see its trace file
Wed Apr 08 06:12:29 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:13:30 2009
Process m000 died, see its trace file
Wed Apr 08 06:13:30 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:14:31 2009
Process m000 died, see its trace file
Wed Apr 08 06:14:31 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:15:32 2009
Process m000 died, see its trace file
Wed Apr 08 06:15:32 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:16:33 2009
Process m000 died, see its trace file
Wed Apr 08 06:16:33 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:17:34 2009
Process m000 died, see its trace file
Wed Apr 08 06:17:34 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:18:35 2009
Process m000 died, see its trace file
Wed Apr 08 06:18:35 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:19:36 2009
Process m000 died, see its trace file
Wed Apr 08 06:19:36 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:20:37 2009
Process m000 died, see its trace file
Wed Apr 08 06:20:37 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:21:38 2009
Process m000 died, see its trace file
Wed Apr 08 06:21:38 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:22:39 2009
Process m000 died, see its trace file
Wed Apr 08 06:22:39 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:23:40 2009
Process m000 died, see its trace file
Wed Apr 08 06:23:40 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:24:41 2009
Process m000 died, see its trace file
Wed Apr 08 06:24:41 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:25:42 2009
Process m000 died, see its trace file
Wed Apr 08 06:25:42 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:26:43 2009
Process m000 died, see its trace file
Wed Apr 08 06:26:43 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:27:44 2009
Process m000 died, see its trace file
Wed Apr 08 06:27:44 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:28:45 2009
Process m000 died, see its trace file
Wed Apr 08 06:28:45 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:28:55 2009
Incremental checkpoint up to RBA [0x34.4ef.0], current log tail at RBA [0x34.56b.0]
Wed Apr 08 06:29:46 2009
Process m000 died, see its trace file
Wed Apr 08 06:29:46 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:30:47 2009
Process m000 died, see its trace file
Wed Apr 08 06:30:47 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:31:48 2009
Process m000 died, see its trace file
Wed Apr 08 06:31:48 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:32:49 2009
Process m000 died, see its trace file
Wed Apr 08 06:32:49 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:33:50 2009
Process m000 died, see its trace file
Wed Apr 08 06:33:50 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:34:51 2009
Process m000 died, see its trace file
Wed Apr 08 06:34:51 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:35:52 2009
Process m000 died, see its trace file
Wed Apr 08 06:35:52 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:36:53 2009
Process m000 died, see its trace file
Wed Apr 08 06:36:53 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:37:54 2009
Process m000 died, see its trace file
Wed Apr 08 06:37:54 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:38:55 2009
Process m000 died, see its trace file
Wed Apr 08 06:38:55 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:39:56 2009
Process m000 died, see its trace file
Wed Apr 08 06:39:56 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:40:57 2009
Process m000 died, see its trace file
Wed Apr 08 06:40:57 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:41:58 2009
Process m000 died, see its trace file
Wed Apr 08 06:41:58 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:42:59 2009
Process m000 died, see its trace file
Wed Apr 08 06:42:59 2009
ksvcreate: Process(m000) creation failed
Process m000 died, see its trace file
Wed Apr 08 06:43:06 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:44:01 2009
Process m000 died, see its trace file
Wed Apr 08 06:44:01 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:45:02 2009
Process m000 died, see its trace file
Wed Apr 08 06:45:02 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:46:03 2009
Process m000 died, see its trace file
Wed Apr 08 06:46:03 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:47:04 2009
Process m000 died, see its trace file
Wed Apr 08 06:47:04 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:48:05 2009
Process m000 died, see its trace file
Wed Apr 08 06:48:05 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:48:55 2009
Incremental checkpoint up to RBA [0x34.75f.0], current log tail at RBA [0x34.840.0]
Wed Apr 08 06:49:06 2009
Process m000 died, see its trace file
Wed Apr 08 06:49:06 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:50:07 2009
Process m000 died, see its trace file
Wed Apr 08 06:50:07 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:51:08 2009
Process m000 died, see its trace file
Wed Apr 08 06:51:08 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:52:09 2009
Process m000 died, see its trace file
Wed Apr 08 06:52:09 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:53:10 2009
Process m000 died, see its trace file
Wed Apr 08 06:53:10 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:54:11 2009
Process m000 died, see its trace file
Wed Apr 08 06:54:11 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:55:12 2009
Process m000 died, see its trace file
Wed Apr 08 06:55:12 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:56:13 2009
Process m000 died, see its trace file
Wed Apr 08 06:56:13 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:57:14 2009
Process m000 died, see its trace file
Wed Apr 08 06:57:14 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:58:15 2009
Process m000 died, see its trace file
Wed Apr 08 06:58:15 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 06:59:16 2009
Process m000 died, see its trace file
Wed Apr 08 06:59:16 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:00:17 2009
Process m000 died, see its trace file
Wed Apr 08 07:00:17 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:01:18 2009
Process m000 died, see its trace file
Wed Apr 08 07:01:18 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:02:19 2009
Process m000 died, see its trace file
Wed Apr 08 07:02:19 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:03:20 2009
Process m000 died, see its trace file
Wed Apr 08 07:03:20 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:04:21 2009
Process m000 died, see its trace file
Wed Apr 08 07:04:21 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:05:22 2009
Process m000 died, see its trace file
Wed Apr 08 07:05:22 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:06:23 2009
Process m000 died, see its trace file
Wed Apr 08 07:06:23 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:07:24 2009
Process m000 died, see its trace file
Wed Apr 08 07:07:24 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:08:25 2009
Process m000 died, see its trace file
Wed Apr 08 07:08:25 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:08:55 2009
Incremental checkpoint up to RBA [0x34.9dc.0], current log tail at RBA [0x34.ae6.0]
Wed Apr 08 07:09:26 2009
Process m000 died, see its trace file
Wed Apr 08 07:09:26 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:10:27 2009
Process m000 died, see its trace file
Wed Apr 08 07:10:27 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:11:28 2009
Process m000 died, see its trace file
Wed Apr 08 07:11:28 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:12:29 2009
Process m000 died, see its trace file
Wed Apr 08 07:12:29 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:13:30 2009
Process m000 died, see its trace file
Wed Apr 08 07:13:30 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:14:31 2009
Process m000 died, see its trace file
Wed Apr 08 07:14:31 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:15:32 2009
Process m000 died, see its trace file
Wed Apr 08 07:15:32 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 07:16:49 2009
Process m001 died, see its trace file
Wed Apr 08 07:16:49 2009
ksvcreate: Process(m001) creation failed
Wed Apr 08 07:28:55 2009
Incremental checkpoint up to RBA [0x34.1268.0], current log tail at RBA [0x34.1448.0]
Wed Apr 08 07:48:55 2009
Incremental checkpoint up to RBA [0x34.16a2.0], current log tail at RBA [0x34.17b8.0]
Wed Apr 08 08:00:39 2009
Process m000 died, see its trace file
Wed Apr 08 08:00:39 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:01:40 2009
Process m000 died, see its trace file
Wed Apr 08 08:01:40 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:02:41 2009
Process m000 died, see its trace file
Wed Apr 08 08:02:41 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:03:42 2009
Process m000 died, see its trace file
Wed Apr 08 08:03:42 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:04:12 2009
Process q004 died, see its trace file
Wed Apr 08 08:04:12 2009
ksvcreate: Process(q004) creation failed
Wed Apr 08 08:04:43 2009
Process m000 died, see its trace file
Wed Apr 08 08:04:43 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:05:44 2009
Process m000 died, see its trace file
Wed Apr 08 08:05:44 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:06:45 2009
Process m000 died, see its trace file
Wed Apr 08 08:06:45 2009
ksvcreate: Process(m000) creation failed
Wed Apr 08 08:08:02 2009
Process m001 died, see its trace file
Wed Apr 08 08:08:02 2009
ksvcreate: Process(m001) creation failed
Wed Apr 08 08:08:55 2009
Incremental checkpoint up to RBA [0x34.1955.0], current log tail at RBA [0x34.1fb9.0]
Wed Apr 08 08:28:55 2009
Incremental checkpoint up to RBA [0x34.2270.0], current log tail at RBA [0x34.22d1.0]
Wed Apr 08 08:48:55 2009
Incremental checkpoint up to RBA [0x34.250c.0], current log tail at RBA [0x34.2576.0]
Wed Apr 08 09:01:14 2009
Process m001 died, see its trace file
Wed Apr 08 09:01:14 2009
ksvcreate: Process(m001) creation failed
Wed Apr 08 09:08:55 2009
Incremental checkpoint up to RBA [0x34.2dd9.0], current log tail at RBA [0x34.2e5f.0]
Wed Apr 08 09:26:12 2009
Process q005 died, see its trace file
Wed Apr 08 09:26:12 2009
ksvcreate: Process(q005) creation failed
Wed Apr 08 09:28:56 2009
Incremental checkpoint up to RBA [0x34.3114.0], current log tail at RBA [0x34.3177.0]
Dump file e:\oracle\testdb\10.2.0\admin\test_dbsbkp\bdump\alert_test.log
Wed Apr 08 09:34:28 2009
ORACLE V10.2.0.3.0 - Production vsnsta=0
vsnsql=14 vsnxtr=3
Windows 2000 Version V5.0 Service Pack 4
CPU : 4 - type 586
Process Affinity : 0x00000000
Memory (Avail/Total): Ph:959M/3199M, Ph+PgF:2803M/5085M, VA:1938M/2047M
Wed Apr 08 09:34:28 2009
Starting ORACLE instance (normal)
LICENSE_MAX_SESSION = 0
LICENSE_SESSIONS_WARNING = 0
Picked latch-free SCN scheme 2
Using LOG_ARCHIVE_DEST_1 parameter default value as e:\oracle\testdb\10.2.0\RDBMS
Autotune of undo retention is turned on.
thanks
Regards
Umair

TS3274 its almost 10 months,i purchased ipad2 32 3g wifi.itinially i got problem with applications shut off frequently now since last 4 months my ipad starts with a message (connect iTunes)like first time start and going to restore mode and it occurs freq

its almost 10 months,i purchased ipad2 32 3G wifi.itinially i got problem with applications and safari shut off frequently now since last 4 months my ipad starts with a message (connect iTunes)like first time start and going to restore mode and it occurs frequently.plz advise.

If you have followed the standard Apple troubleshooting processes (see user guide )
probably a trip to the local Apple Store Genius bar is called for before warranty runs out
Assuming the iPad has been released in your Country if not you may have to take it to a
neighbouring Country where it is available
This page will tell you ,via the drop down menu Countries that can support iPad
http://support.apple.com/kb/index?page=servicefaq&geo=United_Kingdom&product=ipa d

TNS-12518: TNS:listener could not hand off client connection

All,
I am getting the below error while connecting the db from client.it is a shared server and also have enough free memory.
The db version is : 9.2.0.6
TNS-12518: TNS:listener could not hand off client connection
TNS-12547: TNS:lost contact
TNS-12560: TNSrotocol adapter error
TNS-00517: Lost contact
Solaris Error: 32: Broken pipe
Please suggest me on this to avoid the issue.

When was last time SQL*Net worked?
What changed since then?
Solaris Error: 32: Broken pipeError occurs at Operating System level & Oracle is the victim.
What clues exist in the messages file?

10.1.3 EA1: ORA-12518, TNS:listener could not hand off client connection

Hi,
Trying to connect to a remote database which worked in 10.1.3 developer preview gives now:
Listener refused the connection with the following error:
ORA-12518, TNS:listener could not hand off client connection
The Connection descriptor used by the client was:
From sqlplus I can connect. I don't have access to the remote database server/configuration. I tried the workarounds specified here
http://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=139775.1
I deleted
ojdbc14dms.jar ojdbc14.jar
from jdeveloper and copied ojdbc14_g.jar from Oracle 10g release1 (renamed it to ojdbc14.jar). Then it worked.

Hi,
Can you please check the below link from the forum too.
ORA-12518 Tns: Listener could not hand off client conenction
Best regards,
Rafi.
http://rafioracledba.blogspot.com

ORA-12518: TNS:listener could not hand off client connection

guys,
i have a problem here with the connection between a client host and a server database, using a new non-default listener LISTENER_BKP_1. The error showed is:
ORA-12518: TNS:listener could not hand off client connection
i had learned about this error here before, and i toke some notes as follows:
h2. listener.log
TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production on 25-SEP-2009 01:23:49
Copyright (c) 1991, 2005, Oracle. All rights reserved.
System parameter file is C:\oracle\product\10.2.0\db_2\network\admin\listener.ora
Log messages written to C:\oracle\product\10.2.0\db_2\network\log\listener_bkp_1.log
Trace information written to C:\oracle\product\10.2.0\db_2\network\trace\listener_bkp_1.trc
Trace level is currently 0
Started with pid=2212
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=WINXP)(PORT=1523)))
Listener completed notification to CRS on start
TIMESTAMP * CONNECT DATA [* PROTOCOL INFO] * EVENT [* SID] * RETURN CODE
25-SEP-2009 01:24:39 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=PAULO))(COMMAND=services)(ARGUMENTS=64)(SERVICE=listener_bkp_1)(VERSION=169869568)) * services * 0
25-SEP-2009 01:24:49 * (CONNECT_DATA=(SERVICE_NAME=financeira.winxp)(CID=(PROGRAM=C:\ORACLE?instantclient_10_2\sqlplus.exe)(HOST=PAULO_NOTEBOOK)(USER=ORACLE_DBA))) * (ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.100)(PORT=51649)) * establish * financeira.winxp * 12518
TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
32-bit Windows Error: 2: No such file or directory
25-SEP-2009 01:24:53 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=)(USER=PAULO))(COMMAND=services)(ARGUMENTS=64)(SERVICE=listener_bkp_1)(VERSION=169869568)) * services * 0
h2. lsnrctl services
C:\>lsnrctl services listener_bkp_1
LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 25-SEP-2009 01:33:40
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=WINXP)(PORT=1523)))
Services Summary...
Service "FINANCEIRA.WINXP" has 1 instance(s).
Instance "FINANCEI", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:1
LOCAL SERVER
The command completed successfully
h2. listener.ora file
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = FINANCEIRA.WINXP)
(SID_NAME = FINANCEI)
LISTENER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = WINXP)(PORT = 1521))
SID_LIST_LISTENER_BKP_1 =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = FINANCEIRA.WINXP)
(SID_NAME = FINANCEI)
LISTENER_BKP_1 =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = WINXP)(PORT = 1523))
h2. v$resource_limit
RESOURCE_NAME ; CURRENT_UTILIZATION ; MAX_UTILIZATION ; INITIAL_ALLOCATION ; LIMIT_VALUE
processes ; 26 ; 30 ; 150; 150
sessions ; 30 ; 35 ; 170 ; 170
2 rows selected
this means that it didn't reach the resource limites yet. What i can do to solve the problem ???
another important information is that connecting by the default listener LISTENER instead of the LISTENER_BKP_1 listener, the connection is completed successfully. There's enough SGA memory space too.
Tks,

Paulo_BR wrote:
i have a problem here with the connection between a client host and a server database, using a new non-default listener LISTENER_BKP_1. The error showed is:
ORA-12518: TNS:listener could not hand off client connectionDon't do Oracle on Windows, so I'm not sure how the following relates to the Listener dealing with a dedicated server connection request on Linux/Unix.
On Linux/Unix, a dedicated server request means just that - a dedicated process has to be started to service that client. The Listener does it by using the parameters of the configured listener.ora service to execute +$ORACLE_HOME/bin/oracle+. This process then starts up, and the Listener hands off the client connection for this process for servicing.
If there is a failure somewhere on this series of steps fail, the Listener throws the ORA-12518 exception. For example, the +$ORACLE_HOME+ has been incorrectly configured in listener.ora and it fails to execute and startup a dedicated server process.
And this relates to the underlying error you are seeing:
TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
32-bit Windows Error: 2: No such file or directoryI think that the Listener on Windows uses the CreateRemoteThread() Win32 call to start up the server process thread. However, it needs a valid process identifier (of the existing Oracle instance) for this call - and thus needs to first identify the Oracle instance process. Could be that this step uses a ORACLE_HOME reference. And if that directory path is not valid, it is unable to identify the process id of the Oracle instance and thus unable to spawn a dedicated thread to service that client.

ORA-12518: TNS:listener could not hand off client connection (DBD ERROR: OCIServerAttach)

Hi again,
I'm on my enterprise management console and Database Instance and Listener shows the green arrow, but the Agent Connection to Instance shows a red downward arrow and the error:
Status: Failed
Details: ORA-12518: TNS:listener could not hand off client connection (DBD ERROR: OCIServerAttach)
My OraClrAgnt service is up and running (using winxp pro, oracle 11gR2), I'm on my home pc, all my ports are open (my machine's name is "abigail" and it is dmzhost)
Any suggestions to resolve this error?
My Tnsnames ora:
ABIGAIL =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = ABIGAIL)(PORT = 1521))
    (CONNECT_DATA =
      (SERVICE_NAME = orcl.0.0.10)
LISTENER_ORCL =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = ABIGAIL)(PORT = 1521))
    (CONNECT_DATA =
      (SID = ORCL)
RMAN =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = ABIGAIL)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = rman.abigail)
My listener.ora
SID_LIST_LISTENER =
(SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = E:\app\abigail\product\11.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:E:\app\abigail\product\11.2.0\dbhome_1\bin\oraclr11.dll")
LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = ABIGAIL)(PORT = 1521))
ADR_BASE_LISTENER = E:\app\abigail
My SQLNET.ORA
SQLNET.AUTHENTICATION_SERVICES= (NTS)
NAMES.DIRECTORY_PATH= (EZCONNECT, TNSNAMES, LOCALHOST)
NAMES.TRACE_LEVEL = ADMIN
My alert file
<msg time='2013-10-10T20:47:02.687-04:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNOWN' level='16' host_id='ABIGAIL'
host_addr='::1'>
<txt>10-OCT-2013 20:47:01 * (CONNECT_DATA=(CID=(PROGRAM=)(HOST=__jdbc__)(USER=SYSTEM))(SERVICE_NAME=orcl.0.0.10)) * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=38289)) * establish * orcl.0.0.10 * 12518
</txt>
</msg>
<msg time='2013-10-10T20:47:02.687-04:00' org_id='oracle' comp_id='tnslsnr'
type='UNKNOWN' level='16' host_id='ABIGAIL'
host_addr='::1'>
<txt>TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
</txt>
</msg>
My listener status and services
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
Alias                     LISTENER
Version                   TNSLSNR for 32-bit Windows: Version 11.2.0.1.0 - Produ
ction
Start Date                10-OCT-2013 22:47:58
Uptime                    0 days 0 hr. 2 min. 1 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   E:\app\abigail\product\11.2.0\dbhome_1\network\admin\l
istener.ora
Listener Log File         e:\app\abigail\diag\tnslsnr\ABIGAIL\listener\ale
rt\log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC1521ipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ABIGAIL)(PORT=1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "orcl.0.0.10" has 1 instance(s).
Instance "orcl", status READY, has 8 handler(s) for this service...
The command completed successfully
LSNRCTL> services
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", status UNKNOWN, has 1 handler(s) for this service...
    Handler(s):
      "DEDICATED" established:0 refused:0
         LOCAL SERVER
Service "orcl.0.0.10" has 1 instance(s).
Instance "orcl", status READY, has 8 handler(s) for this service...
    Handler(s):
      "D006" established:0 refused:0 current:0 max:800 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 1312>
         (ADDRESS=(PROTOCOL=tcps)(HOST=ABIGAIL)(PORT=1060))
      "D005" established:0 refused:12 current:0 max:800 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 1288>
         (ADDRESS=(PROTOCOL=tcps)(HOST=ABIGAIL)(PORT=1061))
      "D004" established:0 refused:1 current:1 max:16383 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 1260>
         (ADDRESS=(PROTOCOL=tcp)(HOST=ABIGAIL)(PORT=1063))
      "D003" established:0 refused:1 current:1 max:16383 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 1140>
         (ADDRESS=(PROTOCOL=tcp)(HOST=ABIGAIL)(PORT=1062))
      "D002" established:0 refused:1 current:1 max:16383 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 140>
         (ADDRESS=(PROTOCOL=tcp)(HOST=ABIGAIL)(PORT=1059))
      "D001" established:0 refused:1 current:1 max:16383 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 1072>
         (ADDRESS=(PROTOCOL=tcp)(HOST=ABIGAIL)(PORT=1057))
      "D000" established:0 refused:1 current:1 max:16383 state:ready
         DISPATCHER <machine: ABIGAIL, pid: 748>
         (ADDRESS=(PROTOCOL=tcp)(HOST=ABIGAIL)(PORT=1058))
      "DEDICATED" established:0 refused:0 state:ready
         LOCAL SERVER
The command completed successfully

I added this on my listener.ora
DIRECT_HANDOFF_TTC_LISTENER=OFF
Works now!
Moral of the story, google is ur friend lol. Thanks for the reply tho!

TNS:listener could not hand off client connection

while trying to select from dblink I got ORA-12518: TNS:listener could not hand off client connection
What should I do?
here is the listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_2)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = disater)(PORT = 1521))
)

What is the operating system and database version for remote and local machines.
Are you using dedicated or threaded server on the remoted DB. More information is needed.
output from error message search:-
12518, 00000, "TNS:listener could not hand off client connection"
// *Cause: The process of handing off a client connection to another process
// failed.
// *Action: Turn on listener tracing and re-execute the operation. Verify
// that the listener and database instance are properly configured for
// direct handoff. If problem persists, call Oracle Support.
// *Comment: The problem can be worked around by configuring dispatcher(s)
// to specifically handle the desired presentation(s), and connecting
// directly to the dispatcher, bypassing the listener.

ORA-12518 Tns: Listener could not hand off client conenction

Sometimes I got ORA-12518 Tns: Listener could not hand off client conenction
adding
DIRECT_HANDOFF_TTC_LISTENER=OFF
to listener.ora is suggested.
Here is my listener.ora.
Where should I add it?
like this????????????????
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_2)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = disaster)(PORT = 1521))
DIRECT_HANDOFF_TTC_LISTENER=OFF
)

like this????????????????No, like this
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = C:\oracle\product\10.2.0\db_2)
(PROGRAM = extproc)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = disaster)(PORT = 1521))
DIRECT_HANDOFF_TTC_LISTENER=OFF

[HELP] 10g error TNS-12518: TNS:listener could not hand off client connecti

Hi all,
TNS-12518: TNS:listener could not hand off client connection
(when I do a sqlplus, it hangs for one two minutes, then the error above shows)
My oracle 10g is installed in a windows system. this error only happens when the database is heavily used for some time. After I restarted the Listoner, the connection is ok again. Does anyone has a solution for this? Thanks a lot.
Jason

Monitor your page file usage on Windows system (I assume its a 32 bit machine). When Windows starts to swap Oracle SGA into page file., you encounter TNS errors. Strange but we have observed this.
If you can allocate more free physical memory on the server (by removing unwanted applications from the memory), then you can reduce these errors.
Permanent solution would be to add more physical RAM (with 4GT on 32 bit) or switch to 64 bit architecture.
Message was edited by:
Satish Kandi
Typo corrected and added following.
You can set DIRECT_HANDOFF_TTC_LISTENER=OFF in listener.ora and restar the database as temporary solution. Check metalink Doc ID: 233747.1

TNS-12518: TNS:listener could not hand off client connection TNS-12547

Hi guys,
I have started my listener from 10.2.0.5 home , which was in 10.2.0.4.
from that point am having issue connect to 10.2.0.4 databases which are in restricted session(DR db)
when I try to connect to databases which are in restricted session it says TNS connection closed. databases which are open am able to connect.
listener.log shows
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 Solaris Error: 32: Broken pipe
any idea why its happening.

902988 wrote:
Hi guys,
I have started my listener from 10.2.0.5 home , which was in 10.2.0.4.
from that point am having issue connect to 10.2.0.4 databases which are in restricted session(DR db)
when I try to connect to databases which are in restricted session it says TNS connection closed. databases which are open am able to connect.
listener.log shows
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
Solaris Error: 32: Broken pipeOS/Networking misconfiguration.
Oracle is victim; not culprit.
Root cause & solution is external to Oracle
How many different DB versions installed on this system?
post results from following OS command
env | sort
Handle:     902988
Status Level:     Newbie
Registered:     Dec 17, 2011
Total Posts:     7
Total Questions:     4 (4 unresolved)
Why post here when you NEVER get any answers?
Edited by: sb92075 on Apr 13, 2012 1:12 PM

TNS-12518: TNS:listener could not hand off client connection, XE 10g/WinXP

I've installed Oracle XE 10 on Windows XP. When I browse to the database homepage, I get this in listener.log:
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=8080))(Presentation=HTTP)(Session=RAW))
08-FEB-2012 01:07:24 * service_register * xe * 0
08-FEB-2012 01:07:24 * http * (ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1702)) * handoff * http * 12518
TNS-12518: TNS:listener could not hand off client connection
TNS-12560: TNS:protocol adapter error
I don't think it is shortage of resources (just rebooted). I put "DIRECT_HANDOFF_TTC_LISTENER=OFF" in listener.ora .. no luck. I removed the listener.ora file altogether ... ditto.
What else could cause this?
Steve

I can connect from SQLPlus. Laptop has 3 GB RAM.
===== set =====
C:\Documents and Settings\shawes>set
ALLUSERSPROFILE=C:\Documents and Settings\All Users
APPDATA=C:\Documents and Settings\shawes\Application Data
CLIENTNAME=Console
CommonProgramFiles=C:\Program Files\Common Files
COMPUTERNAME=shawes-us
ComSpec=C:\WINDOWS\system32\cmd.exe
DEFLOGDIR=C:\Documents and Settings\All Users\Application Data\McAfee\DesktopProtection
FP_NO_HOST_CHECK=NO
HOMEDRIVE=C:
HOMEPATH=\Documents and Settings\shawes
JDEV_USER_DIR=D:\JDeveloper\mywork
LOGONSERVER=\\shawes-us
NUMBER_OF_PROCESSORS=4
OS=Windows_NT
Path=C:\oraclexe\app\oracle\product\10.2.0\server\bin;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Intel\WiFi\bin\;C:\Program Files\
ThinkPad\ConnectUtilities;C:\Program Files\TortoiseSVN\bin;C:\bin
PATHEXT=.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH
PROCESSOR_ARCHITECTURE=x86
PROCESSOR_IDENTIFIER=x86 Family 6 Model 37 Stepping 2, GenuineIntel
PROCESSOR_LEVEL=6
PROCESSOR_REVISION=2502
ProgramFiles=C:\Program Files
PROMPT=$P$G
SESSIONNAME=Console
SystemDrive=C:
SystemRoot=C:\WINDOWS
TEMP=C:\DOCUME~1\shawes\LOCALS~1\Temp
TMP=C:\DOCUME~1\shawes\LOCALS~1\Temp
TPCCommon=C:\PROGRA~1\THINKV~1\PrdCtr
TSMPATH=C:\Program Files\ThinkPad\UltraNav Utility
USERDOMAIN=shawes-us
USERNAME=shawes
USERPROFILE=C:\Documents and Settings\shawes
VSEDEFLOGDIR=C:\Documents and Settings\All Users\Application Data\McAfee\DesktopProtection
windir=C:\WINDOWS
===== lsnrctl stat =====
C:\Documents and Settings\shawes>lsnrctl stat
LSNRCTL for 32-bit Windows: Version 10.2.0.1.0 - Production on 08-FEB-2012 23:55:53
Copyright (c) 1991, 2005, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for 32-bit Windows: Version 10.2.0.1.0 - Production
Start Date 08-FEB-2012 19:32:02
Uptime 0 days 4 hr. 23 min. 53 sec
Trace Level user
Security ON: Local OS Authentication
SNMP OFF
Default Service XE
Listener Parameter File C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\listener.ora
Listener Log File C:\oraclexe\app\oracle\product\10.2.0\server\network\log\listener.log
Listener Trace File C:\oraclexe\app\oracle\product\10.2.0\server\network\trace\listener.trc
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(PIPENAME=\\.\pipe\EXTPROC_FOR_XEipc)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=SHAWES-US.us.oracle.com)(PORT=1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=8080))(Presentation=HTTP)(Session=RAW))
Services Summary...
Service "CLRExtProc" has 1 instance(s).
Instance "CLRExtProc", 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...
Service "XEXDB" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "XE_XPT" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
Service "xe" has 1 instance(s).
Instance "xe", status READY, has 1 handler(s) for this service...
The command completed successfully

TNS Listener stopping frequently.

Hi Team,
From few days i m facing below issue. As i m not aware of Database stuffs finding difficult to trace the error and the root cause for this issue.
Problem: TNS Listener stops even though the service seems to be running. Due to this my application stops and we are not able to access the application.
When i tried connecting to oracle Enterprise management console i get TNS Listener error, so i restarted the TNS listener service and my application services . Then everything worked fine.
I could see few errors in event viewer:
error: Faulting application TNSLSNR.EXE, version 0.0.0.0, faulting module unknown, version 0.0.0.0, fault address 0x00000000.
Please let me for further details. Immediate response will be appreciated.
Regards,
Salma

Sada wrote:
Hi All,
Thanks for the reply,
Actually i m usinf export command to take backup. But even my system admin is using Symantec backup procedure to take backup of server.ie all folders prepsent in that server.
Please let me know which is the best solution to take backup.
Regards,
SalmaExport is not a backup of the physical database. It's output cannot be used to recover lost or corrupted database files. It knows nothing about checkpoints, control files, redo sequences etc. It's use is one part of a backup plan, but it is not sufficient on its own.
As a DBA it is your job to be able to recover the db, not your SA's. His backup plan is obviously no good for Oracle databases.

TNS Listener goes off frequently

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