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06.14.2004 at 07:27AM PDT, ID: 21024675
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ORA-12514: TNS:listener could not resolve SERVICE_NAME given in connect descriptor

Tags: resolve, could, connect
Hi,

I get this message when I try to connect to an Oracle databse. (Oracle version: 9.2.0.1.0)
The listener.ora and the tnsnames.ora seem OK, tnsping works.
What is the problem?

femo
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Question Stats
Zone: Database
Question Asked By: femo
Solution Provided By: slightwv
Participating Experts: 1
Solution Grade: B
Views: 373
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06.14.2004 at 07:55AM PDT, ID: 11307041

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06.14.2004 at 08:24AM PDT, ID: 11307382

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06.14.2004 at 08:46AM PDT, ID: 11307612

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06.14.2004 at 09:07AM PDT, ID: 11307794

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06.14.2004 at 10:06AM PDT, ID: 11308394

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06.15.2004 at 01:13AM PDT, ID: 11313210

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06.15.2004 at 05:41AM PDT, ID: 11314628

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06.15.2004 at 06:52AM PDT, ID: 11315153

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06.14.2004 at 07:55AM PDT, ID: 11307041

Rank: Master

TNSPING only goes to the listener and returns.  If does not go all the way to the DB.  This message means that the listener could not locate the service_name it was given.

Make sure the DB is up and running.  Make sure the DB is registered with the listener (lsnrctl stat)
 
06.14.2004 at 08:24AM PDT, ID: 11307382
Thanks tha fast answer!
The DB is running, but  it isn't  listed in the registerd servers.
How can it be registered?
 
06.14.2004 at 08:46AM PDT, ID: 11307612

Rank: Master

the DB shoud locate the listener and register itself automatically.  If the listener is bounced w/o restarting the DB then you need to manually add the DB to the listener.ora file.

In a nutshell, it does not appear that your listener.ora file is correct.
 
06.14.2004 at 09:07AM PDT, ID: 11307794
here is my listener.ora:

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = TCP)(HOST = apollo1)(PORT = 1521))
      )
      (ADDRESS_LIST =
        (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
      )
    )
  )

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = C:\oracle\ora92)
      (PROGRAM = extproc)
    )
  )
 
06.14.2004 at 10:06AM PDT, ID: 11308394

Rank: Master

Try the following change (replace MYDB with your DB name):

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = C:\oracle\ora92)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = MYDB)
      (ORACLE_HOME = C:\oracle\ora92)
      (SID_NAME = MYDB)
    )
  )
Accepted Solution
 
06.15.2004 at 01:13AM PDT, ID: 11313210
After trying your suggestion I got the next errors:

ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist

To solve this I changed the sqlnet.ora in the following way:

before: SQLNET.AUTHENTICATION_SERVICES = (NTS)
after:   SQLNET.AUTHENTICATION_SERVICES = (NONE)

and it helps!

But I don't understand... Do you know what could be the problem?
The database had run correctly with the old sqlnet.ora for a long time...














 
06.15.2004 at 05:41AM PDT, ID: 11314628

Rank: Master

First:  The ORA-27101 means the DB isn't up and running.

Second: I'm about 80% confident that the changes to the sqlnet.ora file that you describe should in no way solve the original error message.  

If this change did make a difference, then something was changed in your server/network configuration (this gives you cause to yell at the system and network admin staff.  They need to learn that they need to include DBAs in the decision making process when changes to the configuration are planned).
 
06.15.2004 at 06:52AM PDT, ID: 11315153
I can assure you that only this change in the sqlnet.ora
and restarting the database instance solved the problem.
However you are right: recently there has been a little change
in the database server (which runs Win XP Professional) network configuration:
It's become a member of a new domain. Maybe this caused the problem...




 
 
 
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