Oracle Forms 11g - ORA-12154: TNS error

Okay, before I post my info, I searched and searched everywhere via Google, OTN, Experts-Exchange, etc...to try to figure this one out and I'm stumped. So here goes. I get the dreaded "*ORA-12154: TNS:could not resolve the connect identifier specified*" error. Here's my environment:
Server: Red Hat Enterprise Linux 5 version runs the following:
Oracle Database 11g (Rel 1): 11.2.0.10
Oracle Fusion Middleware Forms Server 11g (Rel. 11.1.1.2.0)
I can connect via SQL+ no problem
Client: My Windows XP Professional PC.
I can TNSPING the database SID no problem.
I can connect via SQL+ no problem
I can connect via TOAD to the db no problem
I can connect to Oracle Enterprise Manager via the web interface no problem
I do have 2 Oracle Homes (Oracle 8.0.6, Oracle 11.1.0.1) on my PC. Currently the current home is the 11g one. I do have my paths on my PC setup fine.
The problem is when I try to run a sample form via the web I created, the login prompt comes up and I enter my username/password/database SID and that's when I get the error. Any clues as to what I should look for? Eventually this will be an app that all the users will be accessing and they shouldn't have to worry about having anything setup on their PCs.
Thanks

ashosheh wrote:
Also keep in mind that tnsnames.ora file in forms 11g is under $ORACLE_INSTANCE/configBINGO!!!!!!!!!! We have a winner! Thank you so much "ashosheh". I looked and there WAS a tnsnames in the directory "Oracle/Middleware/asinst_1/config"....*BUT* it was a sample one. Meaning there was no entry just comments showing you a sample version of a TNS Names entry. So I copied my entry from another TNSNAMES and put it in there and voila...I was able to connect.
Thank you very much. This was driving me nutz all of last week!
Gio

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ORA-12154: TNS Error

Hi all,
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I can get connected to Oracle through SqlPlus window using
USER/PWD@HOST
But when i try to get connected through command prompt for importing
with the same connection details, I am getting the following
error message...
IMP-00058: ORACLE error 12154 encountered
ORA-12154: TNS:could not resolve the connect identifier specified
IMP-00000: Import terminated unsuccessfully
Please help me to solve this issue.
thanks.

check your environment variable
echo $ORACLE_SID is properly set or not....if it is correct then check your tnanames.ora entry wherer that entry is having your database details with the connect string you using to startup....
better to give more details as mohammad said...
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Hi,
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Number (dec) : -2147215936
Number (hex) : &H800415C0
Description : <?xml version="1.0"?>
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Regards
Edited by: Otein on 19-oct-2012 14:04

Hi,
I Have solved one of my problems, the one that keep HFM from connecting to the Oracle database.
I just change the TNSNAMES.ORA, like this:
Initial tnsnames.ora
PRUEBA.WORLD=
+(DESCRIPTION_LIST =+
+(DESCRIPTION =+
+(LOAD_BALANACE = ON)+
+(FAILOVER = ON)+
+(ADDRESS_LIST =+
+(ADDRESS = (PROTOCOL = TCP)(HOST = <server_name>)(PORT = <port>))+
+)+
+(CONNECT_DATA =+
+(SERVICE_NAME = <service_name>)+
+)+
+)+
+)+
Modified tnsnames.ora
PRUEBA.WORLD=
+(DESCRIPTION =+
+(LOAD_BALANACE = ON)+
+(FAILOVER = ON)+
+(ADDRESS_LIST =+
+(ADDRESS = (PROTOCOL = TCP)(HOST = <server_name>)(PORT = <port>))+
+)+
+(CONNECT_DATA =+
+(SERVICE_NAME = <service_name>)+
+)+
+)+
I Just delete the line "+(DESCRIPTION_LIST =+" and its corresponding closing parenthesis, I did this cause in the configuration utility log I saw this line:
+TNS parsing: Entry: DESCRIPTION_LIST [[Address: Protocol:(TCP) Host:(<server_name>) Port:(1521) SID:(<service_name>)]]+
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I'm having a slight issue with Oracle 11 R2
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Re: 08004:[oracle][odbc][ora]ora-12154: TNS: could not resolve the connect ....
Posted: Aug 22, 2011 5:56 PM     in response to: John Fleming
     Edit                          Reply
I am receiving a similar error.
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client_ole2.invoke(mm_obj, 'Execute');
Any help to resove this is apprciated.
Thanks in Advance
Raghav

Sorry I was away,
We migrated 10G forms to 11g also Winword 2003 to Winword 2007
It's erroring at this point
mm_obj := client_ole2.get_obj_property(template_doc, 'MailMerge');
Failing ---> client_ole2.set_property(mm_obj, 'Destination', 0); -- 0 is value of constant wdSendToNewDocument
Failing --->client_ole2.invoke(mm_obj, 'Execute');
Not able to read or open document use to work in previous version.
Raghav

ORA-12154 TNS could not resolve service name error

Hi
I'm having trouble connecting to database throug sql*plus.I'm able to connect through TOAD but getting 'ORA-12154 TNS could not resolve service name error' when trying to login through sql*plus using same credentials .
I tried running sqlplus through command prompt,but when i enter the user-name i'm getting ORA-12203:TNS:unable to connect to destination.
Can someone help me with this error.
Thanks.

It would probably give you an idea where to start looking. You need to make sure that you have the correct .ora files needed for establishing connections. I don't know if your service desk just does the installation but no setup or if they also do the setup configuration. You can also try doing the setup on your own to check. You can use net easy config.

PLEASE HELP! Installation error :ORA-12154 - TNS

Hi everyone,
When I'm installing 9ilite and when it comes to the mobile server repository screen, it get an error message :"ORA-12154 - TNS: could not resolve service name".
But my service name pass the test of TNSPING.
Please help me and any suggestion is greatly apprieciated.
Thank you very much!
Tonie

Check your tnsnames.ora and make sure that webtogo.world tns entry is correct. The entry should refer to the
correct database service name.

Discoverer Plus Error: ORA-12154:TNS:could not resolve the

Hi,
I’m running the Discoverer report in Discoverer Plus and getting the below error, but when the same report ran in Desktop completes successfully and the SQL from the report is running without error in SQL nav.
Database Error - ORA-12154:TNS:could not resolve the connect identifier specified.
Thanks in Advance.
Sunil

Hi Sunil,
Did you test the direct method I posted above? That will bypass the tnsnames.ora file. If it connects fine that way, then you likely have a configuration issue with your sqlnet.ora and/or tnsnames.ora
You can test with:
$ORACLE_HOME/bin/tnsping <tnsalias>
If it is successful, then check if you have the TNS_ADMIN environment variable set (echo $TNS_ADMIN) -- assuming Linix/Unix, if Windows, check system environment variables
You may TNS_ADMIN set and pointing to a tnsnames.ora that is not in the default location.
If it fails and your tns entry is correct in the tnsnames.ora file, then you may need to look at the sqlnet.ora
For example,
If you have NAMES.DEFAULT_DOMAIN set.. then you would need enter: <tnsalias>.<domain> (i.e. scott.world)
or you may need to check if TNSNAMES is first in NAMES.DIRECTORY_PATH=
You can remove or rename the sqlnet.ora to make sure that is not an issue.
Hope that helps. Good Luck.
~Steve.

ORA-12154 TNS resolve error with ProC

Hi all,
 

I have a program written in ProC which works fine when it connects to a local database. However, it is unable to connect to a remote database. The code for making the connection is:


EXEC SQL BEGIN DECLARE SECTION; 
char name[20]; 
char pwd[20]; 
char dbname[20]; 
char dbstring[20]; 
EXEC SQL END DECLARE SECTION; 
strcpy(name, "admin"); 
strcpy(pwd, "adminadmin"); 
strcpy(dbname, "userdb"); 
strcpy(dbstring, "userdb"); 
EXEC SQL WHENEVER SQLERROR DO printf( "Connection Error = %s", sqlca.sqlerrm.sqlerrmc); 
EXEC SQL CONNECT :name IDENTIFIED BY :pwd AT :dbname USING :dbstring; 


The content of fthe file tnsnames.ora: 

userdb = 
(DESCRIPTION = 
(ADDRESS_LIST = 
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.30.21)(PORT = 1521)) 
) 
(CONNECT_DATA = 
(SID = userdb) 
) 
) 


I can "tnsping userdb" and "telnet 192.168.30.21 1521" but the program keeps generating the ORA-12154 connection error.
The version of my oracle client is 9.2.0.1.0
The version of the db server is 8.1.7
Could any one give me some advice please. I had been searching for the solutions for days but failed. Please help. Thanks.


i do a file search "find / -name tnsnames.ora", here is the result:

/home/oracle/dbscript/database/tnsnames.ora 
/u00/app/oracle/product/9.2.0.1.0/network/admin/samples/tnsnames.ora 
/u00/app/oracle/product/9.2.0.1.0/network/admin/tnsnames.ora 

the first one is not found in the path

Oracle Forms 11g - ORA-12154: TNS error

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