Re: ORA-12224 TNS:no listener

From: Ellen K. <72322.enno.esspeeayem.1016_at_compuserve.com>
Date: Wed, 12 May 2004 08:35:52 -0700
Message-ID: <0vg4a0d8lqns95g8qlfb084khgkq01i2d2_at_4ax.com>


I can certainly try that, but the process of setting up an OLE DB connection is really quite similar to setting up an ODBC one... if I use ODBC I'm inserting an extra layer. At the company where I used Oracle before I was able to define an OLE DB connection. Still, it can't hurt to try, thanks. :)

On Wed, 12 May 2004 14:51:04 GMT, Teresa Redmond <XKEAAGIPVIEZ_at_spammotel.co> wrote:

>On Wed, 12 May 2004 01:08:44 -0700, in comp.databases.oracle, Ellen K.
><72322.enno.esspeeayem.1016_at_compuserve.com> scribbled:
>
>>Hi all,
>>
>>I'm a developer. While at my current job I've been working with
>>mostly SQL Server, now I need to connect to our Oracle Financials
>>running on HP-UX. The Oracle DBA set me up as a user and installed
>>the Oracle client on my box and I have the tnsnames file, but I still
>>can't establish a connection to the database from my development
>>environment... I'm getting an error message "ORA-12224 TNS:no
>>listener".
>>
>>At a previous company I also had Visual Studio and was able to connect
>>to the Oracle databases from it... I want to do the same thing here,
>>plus I need to set the Oracle database up as a "linked server" with my
>>SQL Servers so I can make distributed transactions. (No heart
>>attacks please, I'm going to create a couple of tables on the Oracle
>>side and the Oracle DBA will put triggers on them so that whenever I
>>insert to them he grabs the data and feeds it to the canned processes
>>in OF.)
>>
>>The Oracle DBA gave me a little utility with a window where I can type
>>freehand SQL and get results but not nicely, so I know the connection
>>isn't impossible, but I need to be able to address the Oracle database
>>programmatically. I thought the problem might be related to the fact
>>that I don't see the unix box in Network, although I can ping it
>>either by name or IP address... the Oracle guy said for me to see it
>>in Network he'd have to install something I forget the name of.
>>(Something like NFS???) Someone suggested I put an entry in the hosts
>>file, which I did, to no avail... although I think it's in the wrong
>>place, it's in WINNT\System32\Drivers\etc. The Oracle guy says he
>>thinks the problem is that the MS OLE DB Provider for Oracle doesn't
>>know to look in the tnsnames file, but I find that difficult to
>>believe. He said maybe somewhere I need to enter a "path" to it...
>>(I vaguely remember something about setting paths back in the DOS
>>days...)
>>
>>So anyway, can any of you tell me what to do?
>>
>>Thanks very much in advance. :)
>
>When connecting to Oracle in Visual Studio, I have to set up a DSN in
>Admin Tools | ODBC Data Sources. That may be what you mean in your
>last paragraph, that you have set it up there. What language are you
>using "programmatically"?
Received on Wed May 12 2004 - 17:35:52 CEST

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