Hi Stefan, Thank you for your answer. Initially the issue was somewhere between Linux Red Hat 7 and QGIS because the same error was when I tried to connect to Oracle using isql.
The reason fro this issue was a known Red hat issue. Let me explain: Oracle ODBC driver is libsqora.so.11.1. This file exists in my system under /usr/lib/oracle/11.2/client64/lib/. I have run on a terminal ldd command like bellow. ldd /usr/lib/oracle/11.2/client64/lib/libsqora.so.11.1 In one of the result line was: libodbcinst.so.1 => not found. So I have created a symbolic link from /usr/lib64/libodbcinst.so.1 to /usr/lib64/libodbcinst.so.2. This fix made my Oracle client workable from isql and sqlplus. But QGIS still not able to add Oracle layer because the icon does not exists in QGIS Browser and ODBC still has the error: Connection failed - Check settings and try again Extended error information: Unable to initialize ODBC connection to DSN for USER/PASS@CAAR, [unixODBC][Driver Manager] Datasource name not found, and no default driver specified So right now someone who knows the QGIS code should see why Oracle connectivity icon does not exist in QGIS 2.8.2 Linux Red Hat and why ODBC does not work when it tries to connect to Oracle. Thanks, Marian From: Blumentrath, Stefan [mailto:[email protected]] Sent: June-26-15 3:20 AM To: Tudorache, Marian; [email protected]; [email protected] Subject: RE: Not able to connect to Oracle via ODBC I had a similar issue with unixODBC and MS SQL. If I am not mistaken, the «host" parameter overrides the «Provider/DSN» parameter. It does so for MS SQL, at least. For MS SQL it helped to leave the "host" parameter empty and only use Provider/DSN. However, there does not seem to be a "Provider/DSN" parameter for neither "Add Oracle Spatial Layer" nor ODBC, ... A Bug? Cheers Stefan From: [email protected]<mailto:[email protected]> [mailto:[email protected]] On Behalf Of Tudorache, Marian Sent: 25. juni 2015 23:04 To: [email protected]<mailto:[email protected]>; [email protected]<mailto:[email protected]> Subject: [Qgis-user] Not able to connect to Oracle via ODBC Hello, What I am trying to do: Add a vector layer from an remote Oracle database. Description: I tried to add a vector layer using ODBC connectivity to an Oracle database on QGIS 2.8.2. Add vector Layer Choose Database Type ODBC Click New I filled the form as: Type ODBC Name: myODBCConnection Host: ssfdata Database: CAAR Port: 1521 Username: USER Password: PASS When I clicked Test Connection I got: Connection failed - Check settings and try again Extended error information: Unable to initialize ODBC connection to DSN for USER/PASS@CAAR, [unixODBC][Driver Manager] Datasource name not found, and no default driver specified I opened a terminal window and I typed: Isql -v caarODBC I was able to connect to my database +------------------------+ | Connected | | | | sql -statement | | help [tablename] | | quit | +------------------------+ SQL> So the unixODBC driver works for the database but QGIS is not able to access via ODBC. Is any special settings related qgis to make ODBC working? Thanks, marian ________________________________ This electronic message, as well as any transmitted files included in the electronic message, may contain privileged or confidential information and is intended solely for the use of the individual(s) or entity to which it is addressed. If you have received this electronic message in error please notify the sender immediately and delete the electronic message. Any unauthorized copying, disclosure or distribution of the electronic message is strictly forbidden. NAV CANADA accepts no liability for any damage caused by any virus and/or other malicious code transmitted by this electronic communication. Le présent message électronique et tout fichier qui peut y être joint peuvent contenir des renseignements privilégiés ou confidentiels destinés à l'usage exclusif des personnes ou des organismes à qui ils s'adressent. Si vous avez reçu ce message électronique par erreur, veuillez en informer l'expéditeur immédiatement et supprimez le. Toute reproduction, divulgation ou distribution du présent message électronique est strictement interdite. NAV CANADA n'assume aucune responsabilité en cas de dommage causé par tout virus ou autre programme malveillant transmis par ce message électronique.
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