ORA-12154 for sqlplus username/password@TNS but tns ping works and sqlplus username@TNS works.

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• sqlplus ORA-12154: TNS: could not resolve the connect identifier specified

  Hello

  I am not able to connect to the database using sqlplus, using following command:

  sqlplus activites@OCA010

  I get the error message "ORA-12154: TNS: could not resolve the connect identifier specified.

  I tried to connect by providing the full as connection string: "" sqlplus activities / [email protected]:1521 / compix "and he succeeded."

  I also tried to connect using sql developer by providing network TNS alias 'OCA010' it is also successful.

  Someone could please help out here and let me know how can I connect using sqlplus using aliases TNS network.

  content of the tnsnames.ora file is as follows

  tnsnames.ora # Network Configuration file: D:\Oracle\product\11.2.0\dbhome_1\network\admin\tnsnames.ora

  # Generated by Oracle configuration tools.

  COMPIX =

  (DESCRIPTION =

  (ADDRESS = (PROTOCOL = TCP) (HOST = LUCKY-HP)(PORT = 1521))

  (CONNECT_DATA =

  (SERVER = DEDICATED)

  (SERVICE_NAME = compix)

  )

  )

  BC =

  (DESCRIPTION =

  (ADDRESS = (PROTOCOL = TCP) (HOST = LUCKY-HP)(PORT = 1521))

  (CONNECT_DATA =

  (SERVER = DEDICATED)

  (SERVICE_NAME = BC)

  )

  )

  ORACLR_CONNECTION_DATA =

  (DESCRIPTION =

  (ADDRESS_LIST =

  (ADDRESS = (PROTOCOL = CIP)(KEY = EXTPROC1521))

  )

  (CONNECT_DATA =

  (SID = CLRExtProc)

  (PRESENTATION = RO)

  )

  )

  OCA01 =

  (DESCRIPTION =

  (ADDRESS = (PROTOCOL = TCP) (HOST = LUCKY-HP)(PORT = 1521))

  (CONNECT_DATA =

  (SERVER = DEDICATED)

  (SERVICE_NAME = OCA01)

  )

  )

  OCA010 =

  (DESCRIPTION =

  (ADDRESS = (PROTOCOL = TCP) (HOST = 192.168.10.3)(PORT = 1521))

  (CONNECT_DATA =

  (SERVER = DEDICATED)

  (SERVICE_NAME = compix)

  )

  )

  Thanks in advance.

  2931143 wrote:

  Hi EdStevens,

  I used option TNS with Alias network as 'OCA010' in Sql Developer.

  I checked in tnsping and tnsnames.ora directory is correct.

  Please find below the exit of tnsping:

  C:\Users\LUCKY>tnsping OCA010

  AMT Ping Utility for 64-bit Windows: Version 11.2.0.1.0 - Production on October 29, 2015 21:07:38

  Copyright (c) 1997, 2010, Oracle.  All rights reserved.

  Use settings files:

  D:\Oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN\sqlnet.ora

  AMT-03505: failed to resolve the name

  Have you worked from the link I provided?  (I don't think you have time to do).

  It is possible that your tnsnames.ora is corrupted by some weird characters printable somewhere.  In some versions of the oracle, he might be sensitive to spaces vs. tabs.  If in doubt, netca to add entries, rather than doing it by hand.

• Connect with sqlplus for fee install R12 Vision ORA-12154

  Summary:
  
  Try to connect with sqlplus R12 vision new installation gives me ORA-12154.
  
  Context:
  
  Installed R12 12.1.1 instance Vision on Oracle Enterprise Linux 5.4 x 86-64 (SElinux disabled / without virtualization). Follow-up [761566.1] and http://www.oraclenerd.com/2009/12/ebs-install-guide-part-1.html. I also followed instructions of [761566.1] on the files to the best of my ability to network. Blocked as closely as possible to these two documents and also stuck by default as much as possible. Everything is fine with all the levels on the same machine (A). Start and stop OK.
  
  Detailed description:
  Now try to connect using sqlplus (latest version) on the same machine with the following:
  ======================================================================
  [u01 root@vizz] #./ebs/R12VIS/db/tech_st/11.1.0/bin/sqlplus sys/change_on_install@VIS as sysdba
  
  SQL * more: version 11.1.0.7.0 - Wed 27 Jun 23:36:07 Production 2012
  
  Copyright (c) 1982, 2008, Oracle. All rights reserved.
  
  ERROR:
  ORA-12154: TNS: could not resolve the connect identifier specified
  ======================================================================
  Also tried with oravis and applvis, the two accounts, the case with identical results management
  The ORA-12154 notoriously generic...
  
  All the tnsnames.ora I can find give me LIVE that the SID:
  ./ebs/R12VIS/inst/apps/VIS_vizz/admin/out/06260806/tnsnames.ora
  ./ebs/R12VIS/inst/apps/VIS_vizz/ora/10.1.2/network/admin/tnsnames.ora
  ./ebs/R12VIS/inst/apps/VIS_vizz/ora/10.1.3/network/admin/tnsnames.ora
  ./ebs/R12VIS/apps/tech_st/10.1.2/inventory/Templates/network/admin/tnsnames.ora
  ./ebs/R12VIS/apps/tech_st/10.1.2/network/admin/samples/tnsnames.ora
  ./ebs/R12VIS/apps/tech_st/10.1.2/network/admin/tnsnames.ora
  ./ebs/R12VIS/apps/tech_st/10.1.3/network/admin/samples/tnsnames.ora
  ./ebs/R12VIS/apps/apps_st/appl/ad/12.0.0/admin/template/tnsnames.ora
  ./ebs/R12VIS/db/tech_st/11.1.0/owb/network/admin/tnsnames.ora
  ./ebs/R12VIS/db/tech_st/11.1.0/network/admin/VIS_vizz/tnsnames.ora
  ./ebs/R12VIS/db/tech_st/11.1.0/network/admin/samples/tnsnames.ora
  
  As well as those generated scripts (for example, addbctl.sh) to start and stop the instance.
  
  What I'm missing here?
  
  Published by: rjvencken on June 27, 2012 12:47
  
  Published by: rjvencken on June 27, 2012 12:47
  
  Published by: rjvencken on June 27, 2012 12:54

  In the output above, it looks like you source the env file and that's why you get the error ORA-12154. You have to get the file of database of EPS under directory $ORACLE_HOME (.env file).

  Thank you
  Hussein

• Able to connect to SQL Developer but not a toad - ORA-12154: TNS

  My workplace uses TOAD as standard SQL tool to run against Oracle, although I prefer test and use SQL developer.
  
  When you try to connect to a database in TOAD I get the following error
  
  ORA-12154: TNS: could not resolve service name
  
  I'm using the TNSNAMES file. ORA and I am able to connect through SQL Developer, no problem.
  
  Also in the same file, I'm able to connect to the other TNS names, but all just not this one it seems.
  
  I find it very strange, because it seems that for this name TNS one, I specifically can not connect through TOAD
  
  I can connect to any other AMT via TOAD, and I can connect through SQL developer
  
  I also tried a TNSPING and his returning in OK for the server and the connection seem just.
  
  I am trying to connect to an Oracle 10 g with TOAD version 8.0.0.47 Server
  
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  I'm doing this from memory, but...

  Oracle 10g database with TOAD version 8.0.0.47
  

  I believe that your version of toad is too low for this version of Oracle. You should be able to confirm with QUEST software.

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• ORA-12154: TNS: could not resolve the specified connection identifier [10g XE]

  Greetings
  
  There are a lot of topics about this problem on the internet, but none of them deal with this issue properly, so I couldn't find a solution to the problem.
  
  I installed: Oracle Database 10 g Express Edition
  
  After that the installation was done, I opened the SQL command line
  and I used the command "connect" to connect
  I enter username
  Then I entered the password
  
  After a few seconds, I got the following error message:
  ORA-12154: TNS: could not resolve the connect identifier specified
  
  Screenshot of the error:
  http://I35.Tinypic.com/14o26g7.PNG
  
  I installed this version of Oracle on Windows XP 32 bit and Windows 7 32 bit and I get the same error message when it tries to connect.
  
  Why Oracle does not immediately after installation?
  Are there other measures that need to be accomplished in order to make this work? If so I'd appreciate any help step by step, I was stuck trying to find a solution for days.
  
  Published by: user10192105 on August 22, 2010 19:34

  >
  I was able to connect using the above command, but I would like to know why can't connect using a user name and password? I still cannot connect using a user name and password even after the environment variable.
  >

  The problem is that the normal user accounts are either locked, you use is maybe not the right password or they may not have the necessary privileges to establish a session (there are a number of reasons).

  Since you are in the console database, you don't need the environment variable set. SQL * Plus Gets the location of your database in the registry.

  Make the alter statement that I posted earlier for a user which you know that there is and we'll take it from there.

  John.

• error ORA-12154 tns

  I gave my hours 7, no way... the database 11g EM works without any problem... but the CMD menu when I try to connect to sqlplus, no link... I get the classic error ora-12154 tns... I also have Developer oracle adapt in my pc. both work without a problem, I mean database and oracle dev suit work well. no connection problem.but I told you with the sqlplus I problem. no connection. I deleted listener add meaning new one .no... the problem is that I haven't studied with oracle recently, I'm very rusty even though I am a certified dba 10 g, I forgot many things... pls help me friends... What can I do to fix this? I stop my firewall on windows... had not led at all... and also to restart all the services of ora... does not effect... and yet one thing when I checked the ora of the listener, tnsnames etc. I realized I have several listeners and sqlnet files this weird extensions such as listener11122712AM2407.ora and sqlnet11122712AM2407... pls help
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  Listener.ora
  
  listener.ora # Network Configuration file: C:\app\ada\product\11.2.0\dbhome_1\network\admin\listener.ora
  # Generated by Oracle configuration tools.
  
  SID_LIST_LISTENER =
  (SID_LIST =
  (SID_DESC =
  (SID_NAME = CLRExtProc)
  (ORACLE_HOME = C:\app\ada\product\11.2.0\dbhome_1)
  (= Extproc PROGRAM)
  (ENVS = "EXTPROC_DLLS=ONLY:C:\app\ada\product\11.2.0\dbhome_1\bin\oraclr11.dll")
  )
  )
  
  LISTENER =
  (DESCRIPTION_LIST =
  (DESCRIPTION =
  (ADDRESS = (PROTOCOL = TCP) (HOST = ada - PC) (PORT = 1521))
  (ADDRESS = (PROTOCOL = CIP)(KEY = EXTPROC1521))
  )
  )
  
  ADR_BASE_LISTENER = C:\app\ada
  
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  SQLNet
  
  
  
  # This file is actually generated by netca. But if customers can opt for
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  SQLNET. AUTHENTICATION_SERVICES = (NTS)
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
  tnsnames
  
  
  tnsnames.ora # Network Configuration file: C:\app\ada\product\11.2.0\dbhome_1\network\admin\tnsnames.ora
  # Generated by Oracle configuration tools.
  
  ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = CIP)(KEY = EXTPROC1521))
  )
  (CONNECT_DATA =
  (SID = CLRExtProc)
  (PRESENTATION = RO)
  )
  )
  -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

  When I posted my first response, I guess you are trying to connect to your database that is running on the same server, i.e. locally. So I wanted to make sure DOB connections are ok. But appearantly not. You get the ORA-12560 error when "/ as sysdba".

  To do so below if my hypothesis is correct:

  1. go to the command prompt
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  3. set ORACLE_SID =
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  Paste the result.

• DB Link error: ORA-12154: TNS: could not resolve the connect identifier...

  All,
  
  Help, please. I get the error above despite all I know to do:
  
  tnsnames.ora entry for the remote database (it is what is on the local database):
  
  ORACLE6. STAGING =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = TCP)(HOST = oracle6.staging.hobank.net) (PORT = 1521))
  )
  (CONNECT_DATA = (SERVICE_NAME = banksys))
  )
  
  
  The following works without problems of local database to a remote database:
  
  On the local database:
  
  sqlplus kay/[email protected]
  ...
  ...
  
  Connected to:
  Oracle Database 10 g Enterprise Edition Release 10.2.0.2.0 - 64 bit Production
  With partitioning, OLAP and Data Mining options
  
  SQL > select * from emp;
  
  EMPNO, ENAME, JOB HIREDATE SAL COMM MGR
  ---------- ---------- --------- ---------- --------- ---------- ----------
  DEPTNO
  ----------
  2 Kay Baffy DBA 1 6 November 10 50000.25
  2
  
  * These data are correct and comes from the remote database *.
  
  Next, I created the database link that is connected to the local database:
  
  create the database public link oracle6.staging
  connect to identified by kay kay
  using 'oracle6.staging ';
  
  Database link created.
  
  !!! But the following does not work:
  
  SQL > select * from [email protected];
  Select * from [email protected]
  *
  ERROR on line 1:
  ORA-12154: TNS: could not resolve the connect identifier specified
  
  
  I am sure of the following:
  
  1 DB link has been created on the local database.
  2 oracle6.staging entry is tnsnames.ora
  3. I am able to connect to a remote database with: sqlplus kay/[email protected]
  
  * Any help will be be appreciated.* *.
  
  Thanks in advance.
  
  Baffy

  See the link:-hope, it will be useful for you.

  Troubleshooting of database links
  http://www.akadia.com/services/ora_dblinks.html

  Kind regards

• Oracle Forms 11g - ORA-12154: TNS error

  Well, until I post my info, I searched and searched all over Google, OTN, Experts-Exchange, etc... to try and figure this one out and I am puzzled. So here goes. I get the dreaded ' * ORA-12154: TNS: could not resolve the connect identifier specified * "error. This is my environment:
  
  ----------------------------------------------------------------------------------------------
  Server: Red Hat Enterprise Linux 5 version performs the following:
  Oracle Database 11g (Rel 1): 11.2.0.10
  Oracle Fusion Middleware 11g (rel. 11.1.1.2.0) Forms Server
  
  I can connect via SQL + no problem
  ----------------------------------------------------------------------------------------------
  Client: My Windows XP Professional PC.
  
  I can't TNSPING the SID of the database, no problem.
  I can connect via SQL + no problem
  I can connect via TOAD to the db without problem
  I can connect to Oracle Enterprise Manager through the web interface, no problem
  
  I have 2 houses Oracle (Oracle 8.0.6, Oracle 11.1.0.1) on my PC. The current House is currently the 11g one. I have my background on my PC Setup very well.
  
  The problem is when I try to run an example of form through the web, I created, the login prompt appears and I get my name in username/password / database SID and it is, I get the error. Of the clues as to what I should look for? Ultimately it is an application that all users will access and they should not have to worry about anything whatsoever to have installed on their PC.
  
  Thank you

  Keep in mind that file tnsnames.ora forms 11g is under $ORACLE_INSTANCE/config

• ORA-12154 TNS: could not resolve service name

  Hi all
  
  I cloned an Oracle Apps 11.5.10.2 instance on a new server and coompleted it successfully. I could connect to the applications and submit queries with success. But when I try to connect to the database using SQLPLUS or TOAD, I get an "ORA-12154 TNS: could not resolve service name" error. I have the tnsentry for this database in tnsnames.ora on my PC. the entry is as below:
  
  QA11I. WORLD =
  (DESCRIPTION =
  (ADDRESS_LIST =
  (ADDRESS = (PROTOCOL = TCP (Port = 1561))(Host = amcdev0004.xxx.com))
  )
  (CONNECT_DATA = (SID = qa11i) ORACLE_HOME = qa11i/app/qa11iora/9.2) (SERVER = DEDICATED))
  )
  
  TNSPING does not work. I have tried other servers as well but does not work. Please notify.
  
  Thank you.

  Hello

  A parenthesis is missing in the tnsnames.ora to your first post (just to the left of the ORACLE_HOME).

  For your listener.ora on the next post I did not notice a missing parenthesis.

  Best regards
  Jean Valentine

• ORA-12154 tns could not resolve the specified correct identifier

  I am facing the following problem:

  labVIEW 2012 32 bits 64 bits of Windows 7, 10.2.0.1.0 oracle client (32-bit).

  I created a DSN from Data Sources (ODBC) (32-bit version of what in % windir%\syswow64\odbcad32.exe) pointing to an instance of Oracle 10 g.

  I have test the DSN in this way (IE. Data sources (ODBC) and the connection is successful (which means that the tnsnames.ora is correct).

  I use the "DB tools Open Connection.vi" in order to get connected to this database, passing as parameters the DSN above, the user name and password.

  I get the error:

  ADO error: 0x80040E4D
  Exception occurred in the Microsoft OLE DB provider for ODBC drivers:

  [Oracle] [ODBC] [Ora] ORA-12154: TNS could not resolve the specified correct identifier

  all will help much appreciated

  Thanks in advance

  Hello everyone.

  I already solved the problem (work until late Saturday).

  the solution was to install the latest version of the Oracle customer, namely: Oracle 11 g Release 2 CLIENT for Windows 32 (11.2.0.1.0).

  Now everything works OK.

  I also tested in Windows 7 32 bit (the .vi even and the same Oracle client). This will also OK.

  Thans a lot.

• ORA-12154: TNS: could not resolve the connect identifier specified

  Hello

  I installed Oracle 11 g server in Windows 2008 and also installed customer DB 64 & 32 on the same server client.

  When I try to test the Oracle DB connection using the UDL file, I get the error message below. Please could you help me solve this problem.

  -Microsoft Data Link Error.

  Test connection failed because of an error initializing provider.

  [DBNETLIB] [ConnectionOpen(connect()) (Connect()).]

  SQL Server is not, or access is denied.

  --------------------------- OK  ---------------------------

  I have connected to SQL using sysdba and tried to connect to the schema. It is not connection and throwing below error.

  "ORA-12154: TNS: could not resolve the connect identifier specified.

  I checked the TNSNAMES.ora file. Everything seems fine.

  Thank you

  Michel K

  Hello

  I see just a glance on the tnsnames file you are missing at least one sign =...

  You have

  ORCL

  (DESC...

  You should have

  ORCL =

  (DESC...

  There may be other issues too, but give that a try at first - you better run netmgr to allow oracle to create the file for you.

  See you soon,.

  Rich