Ora-12154 is finished and now ora-12514

Hi,
I have installed oracle client 10.0.2 on Windows Server 2003 R2 SP1, and then I copied tnsname.ora from another server (Windows Server 2003 SP1 ora client 10.0.2), which is used everyday.
There is only one oracle foler on this server and only one tnsname.ora.
ping DB server OK!
tnsping OK!
test connection from Net Manager OK!
test connection from Net Configuration Assistant OK!
sqlplus user/password@SID NOT ok!
error:
ORA-12154: TNS:could not resolve the connect identifier specified
tnsname.ora:
SLMP =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 10.1.5.56)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = SLMP)
listner.ora:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxxxxx)(PORT = 1521))
sqlnet.ora:
NAMES.DIRECTORY_PATH= (TNSNAMES, EZCONNECT)
hat anyone suggestion?
Thanks a lot!
Message was edited by:
Nerbcq
Message was edited by:
Nerbcq

At the command prompt on the server, enter 'lsnrctl status' to find out which services the listener recognizes. If a relatively new version of Oracle, re-register the service by connecting to the database instance (using SQLPlus) as a DBA, issuing 'alter system register;' and checking the listener status again.
One thing that might be giving a problem is the use of multiple listeners on the host. Or using a non-default port (lsnrctl status does not display port 1521).

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More ORA-12154, Tried FAQ and Search

I am getting this error when I try to open an Oracle connection in .Net 3.5 application on Visual Studio 2008. If I publish the application to the web server, the Oracle code works fine so I don't believe it is a code issue.
I have Oracle 11g and 10g on my PC. I have copied the Oracle tnsnames.ora and sqlnet.ora from our master location on a server to the local Network/ADMIN folders. I am confident that the content of those two files are correct because, if they weren't, then thousands of users on our network would becomplaining.
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I am sure that the connection string is correct because I copied and pasted from it to set up the Data Connection in Visual Studio's Server Explorer.
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I am sure that the connection string is correct because I copied and pasted from it to set up the Data Connection in Visual Studio's Server Explorer.
Is there anything else I can do? How does Visual Studio or the .Net framework decide where to look for tnsnames.ora? Any help at all will be greatly appreciated.

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I have a new new laptop with minimal software installed. Everything was fine and I was able to connect to 4 different Oracle 9i databases.
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Ora-12154 vs. tns-03505

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Sybrand Bakker
Senior Oracle DBACould be. I never picked up on any pattern of behavior before (thus my question). A simple test seems to bear that out:
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TNS Ping Utility for Linux: Version 10.2.0.4.0 - Production on 16-FEB-2011 16:33
Copyright (c) 1997, 2007, Oracle. All rights reserved.
Used parameter files:
/ora00/app/oracle/product/10.2.0/db_1/network/admin/sqlnet.ora
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SQL*Plus: Release 10.2.0.4.0 - Production on Wed Feb 16 16:35:53 2011
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
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ORA-12154: TNS:could not resolve the connect identifier specified
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Hi,
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open a command prompt
set TNS_ADMIN=PATH_TO_DIRECTOT_THAT_CONTAINS_CORRECT_TNSNAMES_FILE (i.e. something like set TNS_ADMIN=c:\oracle\network\admin)
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http://dbaharrison.blogspot.com

A question about CREATE PUBLIC DATABASE LINK and ORA-12154 error

Dear all,
I have a problem about public database link creation and I would appreciate if you could kindly give me a hand. I have the following connection parameters in my
tnsnames.ora file:
DGPAPROD.WORLD =
     (DESCRIPTION =
       (ADDRESS_LIST =
        (ADDRESS = (COMMUNITY=tcp.world)
          (PROTOCOL=TCP)(HOST=ORASR001)(PORT=1521)
       (CONNECT_DATA = (SID = DGPAPROD))
...Having the above mentioned parameters I can connect to this remote database directly in a SQL*Plus shell:
$ sqlplus username/[email protected] works pretty well and the connection is established without any problem.
Now, what I would like to do is to create a public database link to this remote database in order to avoid the user/connection switching for viewing the
content of this database. I proceeded according to the syntax indicated in the Oracle online documentation:
http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/statements_5005.htm#SQLRF01205
Therefore I run the following in order to create a public database link
CREATE PUBLIC DATABASE LINK SR001_dblink CONNECT TO user IDENTIFIED BY password USING 'DGPAPROD.WORLD';Apparently there is no error and the link is created successfully. However it cannot resolve the remote host and whenever I run the following query
(myenterprise is the name of a table in that remote database)
SELECT *
FROM myenterprise@SR001_dblink
ERROR at line 1:
ORA-12154: TNS:could not resolve the connect identifier specifiedWhat causes this problem?
Thanks in advance,
Kind Regards,
Dariyoosh

spajdy wrote:
You must have defined DGPAPROD.WORLD in tnsnames.oar on server where you DB is runnig.Hello there,
Thanks a lot for this nice solution. In fact I had to add the connection parameters into the tnsnames.ora file of the server on which the link was created (not the tnsnames.ora of my oracle client stored on the localhost)
After a bit googling I found another solution that allows to create the database link:
CREATE PUBLIC DATABASE LINK SR001_dblink CONNECT TO user IDENTIFIED BY password USING '(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (COMMUNITY=tcp.world)
(PROTOCOL=TCP)(HOST=ip_adresse)(PORT=1521)))(CONNECT_DATA = (SID = GPAPROD)))';Thanks a lot for your help!
Kind Regards,
Dariyoosh
Edited by: dariyoosh on 18 nov. 2009 07:15

Ora-12154 problem with database link and transparent gateway

Hello,
I’m trying to make a communication between oracle and SQL server 2005.
I use oracle 10g E.E Release 10.2.0.3.0 and the transparent gateway for SQL server 10201_gatway_win32.zip.
Install:
The oracle database is installed into a server named ss-serv. This server has two partition disk C and E. Oracle database is installed in E and the gateway in C. There is already a database (instance) running in the oracle home (in E).
I configured the gateway as described into: http://download.oracle.com/docs/cd/B...3/conf_sql.htm.
In sql server 2005, there is a database running named ClientTricks.
I created a user named Avogadro with a login.
In the partition C where the gateway is installed, the file inittg4msql.ora is like this:
HS_FDS_CONNECT_INFO= ss-serv. ClientTricks
The file sqlnet.ora where the gateway is installed is configured like this:
SQLNET.AUTHENTIFICATION_SERVICES=(NTS)
NAMES.DIRECTORY_PATH = (TNSNAMES, EZCONNECT)
I configured the listener that is in the C partition where the gateway is installed, and the tnsnames that is in the oracle database in E partition disk like this:
Listener :
LISTENER=
(ADDRESS=
(PROTOCOL=TCP)
(HOST=ss-serv)
(PORT=1521))
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME=tg4msql)
(ORACLE_HOME=C:\oracle\product\10.2.0\tg_1)
(PROGRAM=tg4msql)
tnsnames:
mytg4msql=
(DESCRIPTION=
(ADDRESS=
(PROTOCOL=TCP)
(HOST=ss-serv)
(PORT=1521)
(CONNECT_DATA=
(SID=tg4msql))
(HS=OK))
After edited the listener, I stop and start the listener for the transparent gateway from administrative tools in the services.
Then, connected in oracle (in a database named fakeclient) I created a database link in sqlplus.The the dblink were created, but when I tried to querry some data from ClientTricks by executing the following instructions:
select * from s_client@dblink
i got this fatal and terrible error :
ora-12154 TNS:could not resolve the connect identifier specified
I verified all my procedure and stapes, all seems to be good. I did a tnsping of mytg4msql
I got this error in the command prompt:TNS-03505 fail to resolve name
Could someone help me ?
Sorry for my English ,I’m French
best regards

Hi Mkirtley,
i clarify you what i've done:
Pease have a look in the link in my first post. Then, i said that in oracle database home the listener is in port 1521
here is this listener:
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME=PLSExtproc)
(ORACLE_HOME=E:\oracle\production\10.2.0\db_1)
(PROGRAM=extproc)
LISTENER=
(DESCRIPTION_LIST=
(DESCRIPTION=
(ADDRESS= (PROTOCOL=TCP)(HOST=ss-serv)(PORT=1521))
(ADDRESS= (PROTOCOL=IPC)(KEY=EXTPROC0))
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N.B in this ora file, there's already some descriptions for the database running, so i just add these lines under the description in ora file.Here is:
Jest=
(DESCRIPTION=
(ADDRESS_LIST=
(ADDRESS=(PROTOCOL=TCP)(HOST=ss-serv)(PORT=2000))
(CONNECT_DATA=
(SID=tg4msql)
(HS=OK)
for the listener of the gateway (installed in C partition):
SID_LIST_LISTENER=
(SID_LIST=
(SID_DESC=
(SID_NAME=tg4msql)
(ORACLE_HOME=C:\oracle\production\10.2.0\tg_1)
(PROGRAM=tg4msql)
LISTENER=
(DESCRIPTION_LIST=
(DESCRIPTION=
(ADDRESS= (PROTOCOL=TCP)(HOST=ss-serv)(PORT=2000))
(ADDRESS= (PROTOCOL=IPC)(KEY=EXTPROC1))
here are all i did.
Best regards

ORA-12154 & ORA-12514 errors with Net8

Can anyone help me with getting Net8 to run?
On 8.0.5 I was able to get my Windows front-ends to run using the "0-Configuration" option for Net8 - using Host Names.
I have been roundly unsuccessful in trying to get this to work with 8i, and now I am deeply embroiled in TNSNAMES configuration with total lack of success and ever increasing frustration.
Has anyone successfully overcome this type of error with 8i to successfully access the database from a Windows client?

John,
Apologies for the cyber-silence. I only get to work on this stuff evenings and weekends, and this weekend was work instead :-(
As this whole area of network and database configuration is one of ritual and superstition for me, rather than clinical science I decided to go back in time and re-install 8.0.5 - which works fine for the Host Naming approach. I grabbed the listener.ora and tnsnames.ora (yes, I know it doesn't apply - but, as I said, I'm superstitious) and brought them back to the present (changing a couple of things where necessary - e.g. 8.0.5 => 8.1.5).
Unfortunately that didn't work either. Then I recreated my 8i database and made the global db name and instance name exactly the same as the hostname. This time it worked! Not a very general solution (and I have no idea which part of the solution cracked it or me) but I am sticking with it for now!
Just for the record here are the new (old?) configuration files:
sqlnet.ora:
SQLNET.EXPIRE_TIME = 0
NAMES.DIRECTORY_PATH= (HOSTNAME)
SQLNET.CRYPTO_SEED = 4fhfguweotcadsfdsafjkdsfqp5f201p45mxskdlfdasf
listener.ora:
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = baloo))
(PROTOCOL_STACK =
(PRESENTATION = TTC)
(SESSION = NS)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = PNPKEY))
(PROTOCOL_STACK =
(PRESENTATION = TTC)
(SESSION = NS)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = baloo.housden.net)(PORT = 1521))
(PROTOCOL_STACK =
(PRESENTATION = TTC)
(SESSION = NS)
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(GLOBAL_DBNAME = baloo.housden.net.)
(ORACLE_HOME = /u2/app/oracle/product/8.1.5)
(SID_NAME = baloo)
(SID_DESC =
(SID_NAME = extproc)
(ORACLE_HOME = /u2/app/oracle/product/8.1.5)
(PROGRAM = extproc)
tnsnames.ora:
ORCL_BEQ =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = BEQ)(PROGRAM = /u2/app/oracle/product/8.1.5)
(argv0 = oraclebaloo)
(args = '(DESCRIPTION = (LOCAL=YES)(ADDRESS=(PROTOCOL=BEQ)))')
(envs = 'ORACLE_HOME=/u2/app/oracle/product/8.1.5,ORACLE_SID=baloo'))
ORCL =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(Host = baloo.housden.net)(Port = 1521))
(CONNECT_DATA =
(SID = baloo)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = baloo))
(CONNECT_DATA =
(SID = extproc)
BTW - in other posts on this forum you keep whingeing about your job. Are things still that bad Down Under that there are no suitable alternatives there? I was hoping to return to the Lucky Country some time soon, but I want to be sure that the economy and job market is viable first. Anyway, thanks for your help and Good Luck!

Ora-12154 is finished and now ora-12514

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