[Qgis-user] Oracle - QGIS connection
Bo Victor Thomsen
bo.victor.thomsen at gmail.com
Wed Sep 25 03:31:09 PDT 2013
Jonathan -
I'm very late to the party and I probably can't help you. But anyway: On
the danish QGIS "Yammer" list a member descibed how to connect to Oracle
from QGIS (The text is translated form danish):
...
Type the following In the QGIS Oracle connection dialog:
"Name" - Some arbitrary name for the connection
"Database" - value of the parameter SERVICE_NAME from tnsnames.ora
"Host" - value of the parameter HOSTfrom tnsnames.ora
"Port" - value of the parameter PORT from tnsnames.ora
"Username" - users oracle login name
"Password" - users oracle password
...
My own two cents: (Not using Oracle but MS-SQLServer and therefore not
directly related to your problem) You have two completely separate
setups for ODBC when different client programs is 32 bits and 64 bits.
You might have the same problem with Oracle ?
Regards
Bo Victor Thomsen
Aestas-GIS
Denmark
Den 25-09-2013 11:53, Duarte Carreira skrev:
>
> Does qgis use gdal to access oracle data?
>
> If it does you can try to use the osgeo4w console to try to connect
> with gdalinfo. See if that presents a clearer error. Maybe the oracle
> plugin is compiled against a different version of oracle...?
>
> If gdalinfo works, than you could create a .vrt that wraps the
> connection to your oracle spatial table. Try to open the .vrt in
> qgis... I have solved similar problems this way (dxf files wouldn't
> load unless through a .vrt).
>
> I have used process explorer before to find what dll is not being
> loaded or found... sometimes it worked sometimes it didn't...
>
> Just launch it and filter processes until you end up only with qgis
> related processes. You can find error messages like file not found and
> others.
>
> Duarte
>
> *De:*Jonathan Moules [mailto:jonathanmoules at warwickshire.gov.uk]
> *Enviada:* quarta-feira, 25 de Setembro de 2013 10:33
> *Para:* Bob and Deb
> *Cc:* Duarte Carreira; qgis-user at lists.osgeo.org
> *Assunto:* Re: [Qgis-user] Oracle - QGIS connection
>
> Hi Bob,
>
> Thanks for the reply. Unfortunately none of those things seems to have
> made a difference.
>
> I've now installed QGIS on a second machine, one that already has a
> working Oracle administrator install that various other applications
> are successfully using (i.e. FME). But QGIS on that machine has the
> exact same problem with the exact same failure mechanisms/errors.
>
> So the issue seems to be QGIS specific, but I don't know enough to be
> able to report it as a useful bug report.
>
> Cheers,
>
> Jonathan
>
> On 24 September 2013 18:14, Bob and Deb <bobdebm at gmail.com
> <mailto:bobdebm at gmail.com>> wrote:
>
> Hello Jonathan,
>
> How about setting the environment variable ORACLE_HOME to
> c:\admin\apps\oracle32\product\11.2.0\client_1 and TNS_ADMIN to the
> location of the directory that contains tnsnames.ora? That is what I
> did and it works fine. In the past I also had to rename the oci.dll
> (or you can remove it) from c:\osgeo4w\bin because it conflicted with
> the oci.dll in %ORACLE_HOME%. Btw, we are connecting to Oracle 11.2.0
> using OS authentication.
>
> Bob
>
> On Tue, Sep 24, 2013 at 9:48 AM, Jonathan Moules
> <jonathanmoules at warwickshire.gov.uk
> <mailto:jonathanmoules at warwickshire.gov.uk>> wrote:
>
> Hi Duarte,
>
> Cunning, I'd not played with the Python console before.
>
> The QGIS path is the same as the system one, though with extra
> stuff pre-pended - Oracle is in there just fine:
>
> 'c:\Admin\Apps\Progs\QGISDU~1\apps\grass\grass-6.4.3\bin;c:\Admin\Apps\Progs\QGISDU~1\apps\msys\bin;c:\Admin\Apps\Progs\QGISDU~1\bin;*c:\admin\apps\oracle32\product\11.2.0\client_1\bin*;C:\windows\system32;C:\windows;C:\windows\System32\Wbem;C:\windows\System32\WindowsPowerShell\v1.0\;C:\Program
> Files (x86)\Microsoft Application Virtualization
> Client;C:\Program Files
> (x86)\ActivIdentity\SecureLogin\;C:\Program
> Files\Intel\WiFi\bin\;C:\Program Files\Common
> Files\Intel\WirelessCommon\;c:\Admin\Apps\Progs\QGISDU~1\apps\msys\bin;c:\Admin\Apps\Progs\QGISDU~1\apps\Python27\Scripts;c:\Admin\Apps\Progs\QGISDU~1\apps\qgis\bin;c:\Admin\Apps\Progs\QGISDU~1\apps\grass\grass-6.4.3\lib'
>
> Trying TNS ping from within QGIS worked just fine too:
>
> Attempting to contact (DESCRIPTION = (ADDRESS = (COMMUNITY =
> wcctcp.world) (PROTOCOL = TCP) (Host = co-gistest-li2) (Port =
> 1521)) (CONNECT_DATA = (SID = gistest) (GLOBAL_NAME =
> co_gistest.world)))
> OK (0 msec)
>
> ----
>
> If I try and "cheat" and change my host from "co_gistest" to the
> actual machine name: "co-gistest-li2" - I get back an ORA-12514
> instead where it says it doesn't know of the given host. But if I
> enter random gibberish it goes back to a ORA-12154.
>
> Very confusing (but it is Oracle).
>
> Jonathan
>
> On 24 September 2013 17:28, Duarte Carreira <DCarreira at edia.pt
> <mailto:DCarreira at edia.pt>> wrote:
>
> Can you compare your path to what qgis is using?
>
> In python console type:
>
> import os
>
> os.environ["PATH"]
>
> It seems to me qgis is not finding your tns settings... your're
> setting these up in tnsnames.ora?
>
> You can try tnsping from qgis and see what happens... try print
> os.popen("tnsping...").read() in your python console...
>
> Duarte
>
> *De:*Jonathan Moules [mailto:jonathanmoules at warwickshire.gov.uk
> <mailto:jonathanmoules at warwickshire.gov.uk>]
> *Enviada:* terça-feira, 24 de Setembro de 2013 17:16
> *Para:* Duarte Carreira
> *Cc:* qgis-user at lists.osgeo.org <mailto:qgis-user at lists.osgeo.org>
>
>
> *Assunto:* Re: [Qgis-user] Oracle - QGIS connection
>
> Hi Duarte,
>
> Yep it works fine:
>
> sqlplus username/password at co_gistest
>
> Logs me straight in, and a trial select confirms I'm in.
>
> It's just QGIS that is having issues.
>
> My PATH (this is windows) is:
>
> c:\admin\apps\oracle32\product\11.2.0\client_1\bin;%SystemRoot%\system32;%SystemRoot%;%SystemRoot%\System32\Wbem;%SYSTEMROOT%\System32\WindowsPowerShell\v1.0\;C:\Program
> Files (x86)\Microsoft Application Virtualization Client;C:\Program
> Files (x86)\ActivIdentity\SecureLogin\
>
> Am very perplexed!
>
> Cheers,
>
> Jonathan
>
> On 24 September 2013 17:05, Duarte Carreira <DCarreira at edia.pt
> <mailto:DCarreira at edia.pt>> wrote:
>
> It could be environmental variables messed up when launching
> qgis... does sqlplus work?
>
> Duarte
>
> *De:*Jonathan Moules [mailto:jonathanmoules at warwickshire.gov.uk
> <mailto:jonathanmoules at warwickshire.gov.uk>]
> *Enviada:* terça-feira, 24 de Setembro de 2013 16:00
> *Para:* qgis-user at lists.osgeo.org <mailto:qgis-user at lists.osgeo.org>
> *Assunto:* Re: [Qgis-user] Oracle - QGIS connection
>
> Hi List,
>
> I've done a lot more dabbling and it simply refuses to work. I've
> now got to the point where I've installed the Administrator
> install of the Oracle client. Both QGIS and the client are 32bit.
> But no matter what I keep getting the Ora-12154 error.
>
> If I try tnsping, it can resolve the name just fine, so I'm not
> clear why it is failing with QGIS.
>
> I don't remember what I did previously to get it working but I'm
> sure it wasn't anything like this much trouble.
>
> Anyone?
>
> Thanks,
>
> Jonathan
>
> On 23 September 2013 12:56, Jonathan Moules
> <jonathanmoules at warwickshire.gov.uk
> <mailto:jonathanmoules at warwickshire.gov.uk>> wrote:
>
> Hi List,
>
> This is happening in 2.0.1 too. As other things can connect to the
> database from this machine I have to guess that it is a QGIS
> thing. I know it worked previously but doesn't seem to any more.
>
> Does it work for other folks? What are you entering into the
> parameters?
>
> Thanks,
>
> Jonathan
>
> On 28 August 2013 14:33, Jonathan Moules
> <jonathanmoules at warwickshire.gov.uk
> <mailto:jonathanmoules at warwickshire.gov.uk>> wrote:
>
> Anyone?
>
> I'm using QGIS weekly build d61cb25 on windows 7.
>
> Thanks,
>
> Jonathan
>
>
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