Re: SQL*Net connectivity/config problem
- From: Stefan Knecht <knecht.stefan@xxxxxxxxx>
- To: stbaldwin@xxxxxxxxxxxxxxxx
- Date: Tue, 25 Aug 2009 08:34:04 +0200
In your tnsnames.ora you're asking for a shared server. Your database
however, only offers dedicated servers.
Either, change server to dedicated in your tnsnames.ora, or set up shared
servers.
Cheers
=========================
Stefan P Knecht
CEO & Founder
s@xxxxxxxx
10046 Consulting GmbH
Schwarzackerstrasse 29
CH-8304 Wallisellen
Switzerland
Phone +41-(0)8400-10046
Cell +41 (0) 79 571 36 27
info@xxxxxxxx
http://www.10046.ch
=========================
On Tue, Aug 25, 2009 at 1:58 AM, Steve Baldwin
<stbaldwin@xxxxxxxxxxxxxxxx>wrote:
> (11.1)
> I'm attempting to make a local SQL*Net connection on a DB server and I'm
> seeing an ORA-12520 error.
>
> [oracle@lwdbc21 admin]$ lsnrctl status
>
> LSNRCTL for Linux: Version 11.1.0.7.0 - Production on 24-AUG-2009 18:24:58
>
> Copyright (c) 1991, 2008, Oracle. All rights reserved.
>
> Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
> STATUS of the LISTENER
> ------------------------
> Alias LISTENER_LWDBC21
> Version TNSLSNR for Linux: Version 11.1.0.7.0 -
> Production
> Start Date 24-AUG-2009 18:02:40
> Uptime 0 days 0 hr. 22 min. 17 sec
> Trace Level off
> Security ON: Local OS Authentication
> SNMP OFF
> Listener Parameter File
> /var/oracle/product/11g/db/network/admin/listener.ora
> Listener Log File
> /var/oracle/diag/tnslsnr/lwdbc21/listener_lwdbc21/alert/log.xml
> Listening Endpoints Summary...
> (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.25.170.14)(PORT=1521)))
> (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.25.170.16)(PORT=1521)))
> Services Summary...
> Service "+ASM" has 1 instance(s).
> Instance "+ASM1", status READY, has 1 handler(s) for this service...
> Service "+ASM_XPT" has 1 instance(s).
> Instance "+ASM1", status READY, has 1 handler(s) for this service...
> Service "rac21d.prod.multiservice.com" has 1 instance(s).
> Instance "rac21d1", status READY, has 1 handler(s) for this service...
> Service "rac21d_XPT.prod.multiservice.com" has 1 instance(s).
> Instance "rac21d1", status READY, has 1 handler(s) for this service...
> The command completed successfully
> [oracle@lwdbc21 admin]$ lsnrctl services
>
> LSNRCTL for Linux: Version 11.1.0.7.0 - Production on 24-AUG-2009 18:25:10
>
> Copyright (c) 1991, 2008, Oracle. All rights reserved.
>
> Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
> Services Summary...
> Service "+ASM" has 1 instance(s).
> Instance "+ASM1", status READY, has 1 handler(s) for this service...
> Handler(s):
> "DEDICATED" established:0 refused:0 state:ready
> LOCAL SERVER
> Service "+ASM_XPT" has 1 instance(s).
> Instance "+ASM1", status READY, has 1 handler(s) for this service...
> Handler(s):
> "DEDICATED" established:0 refused:0 state:ready
> LOCAL SERVER
> Service "rac21d.prod.multiservice.com" has 1 instance(s).
> Instance "rac21d1", status READY, has 1 handler(s) for this service...
> Handler(s):
> "DEDICATED" established:0 refused:0 state:ready
> LOCAL SERVER
> Service "rac21d_XPT.prod.multiservice.com" has 1 instance(s).
> Instance "rac21d1", status READY, has 1 handler(s) for this service...
> Handler(s):
> "DEDICATED" established:0 refused:0 state:ready
> LOCAL SERVER
> The command completed successfully
>
> Here's the error from the log ...
>
> <msg time='2009-08-24T18:43:59.204-05:00' org_id='oracle' comp_id='tnslsnr'
> type='UNKNOWN' level='16' host_id='lwdbc21.multiservice.com'
> host_addr='172.25.170.14'>
> <txt>24-AUG-2009 18:43:59 * (connect_data=(server=shared)(service_name=
> rac21d.prod.multiservice.com
> )(instance_name=rac21d1)(CID=(PROGRAM=sqlplus)(HOST=
> lwdbc21.multiservice.com)(USER=oracle))) *
> (ADDRESS=(PROTOCOL=tcp)(HOST=172.25.170.16)(PORT=27901)) * establish *
> rac21d.prod.multiservice.com * 12520
> </txt>
> </msg>
> <msg time='2009-08-24T18:43:59.205-05:00' org_id='oracle' comp_id='tnslsnr'
> type='UNKNOWN' level='16' host_id='lwdbc21.multiservice.com'
> host_addr='172.25.170.14'>
> <txt>TNS-12520: TNS:listener could not find available handler for
> requested type of server
> </txt>
> </msg>
>
> Here's the entry from the tnsnames.ora file ...
>
> rac21d1 =
> (description =
> (address =
> (protocol = tcp)
> (host = lwdbc21-vip.multiservice.com)
> (port = 1521)
> )
> (connect_data =
> (server = shared)
> (service_name = rac21d.prod.multiservice.com)
> (instance_name = rac21d1)
> )
> )
>
> In action ...
>
> [oracle@lwdbc21 admin]$ sqlplus system/xxx@rac21d1
>
> SQL*Plus: Release 11.1.0.7.0 - Production on Mon Aug 24 18:51:51 2009
>
> Copyright (c) 1982, 2008, Oracle. All rights reserved.
>
> ERROR:
> ORA-12520: TNS:listener could not find available handler for requested type
> of
> server
>
> I can 'see' myself with tnsping ...
>
> [oracle@lwdbc21 admin]$ $ORACLE_HOME/bin/tnsping rac21d1 5
>
> TNS Ping Utility for Linux: Version 11.1.0.7.0 - Production on 24-AUG-2009
> 18:53:06
>
> Copyright (c) 1997, 2008, Oracle. All rights reserved.
>
> Used parameter files:
> /var/oracle/product/11g/asm/network/admin/sqlnet.ora
>
>
> Used TNSNAMES adapter to resolve the alias
> Attempting to contact (description = (address = (protocol = tcp) (host =
> lwdbc21-vip.multiservice.com) (port = 1521)) (connect_data = (server =
> shared) (service_name = rac21d.prod.multiservice.com) (instance_name =
> rac21d1)))
> OK (0 msec)
> OK (10 msec)
> OK (0 msec)
> OK (0 msec)
> OK (10 msec)
>
> The database instance has been 'cloned' from another machine. It is to be
> our standby DR database cluster. I'm doing a roll-your-own dataguard to
> keep it in sync with production.
>
> Any clues as to the problem?
>
> Thanks,
>
> Steve
>
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