Question

Pervasive ODBC Connection issues

Asked by: griffaw

I need to retrieve data from a Pervasive/Btrieve database on a remote webserver from an ASP page.

Pervasive client 9.5 is installed on the server where the ASP page is located.

My connection...

Set myRecordSet = CreateObject("ADODB.Recordset")
myParms = "Provider=PervasiveOLEDB;Data Source=myDatabaseName;Location=IP_address"
myRecordSet.Open "Customer",myParms,adOpenDynamic,adLockOptimistic,adCmdTableDirect
myRecordSet.Seek ("14201447")

I get the following error;

Pervasive.SQL V9 OLE DB Provider error '80004005'

-1305: No such table or object

end error

The database does exists and is the correct name
The Customer table also exists

Please help...desperate...I've been struggling with this connection for weeks.

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Asked On
2009-08-22 at 09:09:04ID24673613
Tags

pervasive

,

ODBC

,

Btrieve

Topics

4GL Databases

,

Databases Miscellaneous

,

Active Server Pages (ASP)

Participating Experts
1
Points
500
Comments
14

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Answers

 

by: mirtheilPosted on 2009-08-22 at 10:30:43ID: 25159487

Just to be clear, is the error occurring on the myRecordSet.Open call or on the .Seek?

You mention that the database name is correct and the table exists, can you connect to the server using the "IP_address" value  in the PCC and open the database name and table?

I've seen where IP addresses are changed and that could cause that error.  

Can you connect to any database?  For example if you change the Data Source value to DEMODATA and the table name to Class, does it still fails with the -1305?  I've seen problems with DDFs that cause failures using OLEDB (and ODBC).  

 

by: griffawPosted on 2009-08-22 at 11:26:15ID: 25159685

The error is occurring on the myRecordSet.Open call.

I was given the IP address by the server admin. If I change the IP, I get a different error...

Unable to connect to the relational engine (is Database Name and Server available?)

...so i assume it is correct

If I change the Data Source to DEMODATA and the table name to Class I get the following error...

Pervasive.SQL V9 OLE DB Provider error '80004005'

[LNA][Pervasive][ODBC Engine Interface][Data Record Manager]Cannot locate the named database you specified(Btrieve Error 2301)

 

 

by: mirtheilPosted on 2009-08-22 at 11:44:12ID: 25159734

What about the PCC?  Does it work with the IP address from the web server?

 

by: griffawPosted on 2009-08-22 at 11:47:04ID: 25159741

I have the client installed locally. I'm not sure how to connect to a remote server with it?

 

by: mirtheilPosted on 2009-08-22 at 11:52:30ID: 25159757

On the web server (since that's where the ASP app is running), start the Pervasive Control Center (PCC).  Expand the "Pervasive PSQL" node (it might be different, I'm using v10).  Right click on "Engines" and select "New" then "Server".  Enter the IP address and click Finish.  It should add it to the list of Engines.  Expand it and select your database name and try to open the Customer table (in the Tables node).

 

by: griffawPosted on 2009-08-22 at 12:11:34ID: 25159838

I do not have access to the Client running on the server. I DO have the client installed on my local machine. I added the Ip address and attempt to expand the node and got the following error:

7025; Server not found. (Connection to server failed: Check server status, server name and user credentials)

PS: I can access the PCC on the server where the database is located using Remote Desktop connection if that helps.

 

by: mirtheilPosted on 2009-08-22 at 12:24:16ID: 25159876

You really need to trouble shoot from the web server since that's where the ASP app actually runs.  
Connecting locally at the server says that the engine is running.  That means that you've either got a network issue or are pointing to the wrong server. If you can Remote Desktop to the server where the database is located, go to a command prompt, type IPCONFIG, get the IP address for that machine and compare it to the one in your ASP page.  
Also, make sure there's no firewall between the web server and the database server.  

 

by: griffawPosted on 2009-08-22 at 12:34:16ID: 25159919

I ran ipconfig on the server with the database. The IP address shown was different. I changed my script to match and got the following error:

PervasiveOLEDB.9.50 error '80004005'

Unable to connect to the relational engine (is Database Name and Server available?)

 

by: griffawPosted on 2009-08-22 at 12:35:18ID: 25159924

PS: Security is off on the database and the firewall has been set to allow queries from the remote server through...so i've been told anyway.

 

by: mirtheilPosted on 2009-08-22 at 12:39:10ID: 25159936

You might run a NETSTAT -A on the remote server (where the database resides) to make sure port 1583 and 3351 are listening.  If they are but you still can't connect, it's possible there's another firewall preventing the connection.

 

by: griffawPosted on 2009-08-22 at 15:20:42ID: 25160481

Is it a rules violation to hire an expert from here?

 

by: mirtheilPosted on 2009-08-22 at 17:25:28ID: 25160853

I believe it is against the rules to recruit here.  However, you can contact the expert through their website.

 

by: griffawPosted on 2009-08-24 at 11:15:15ID: 31619206

Thank you.

The issue was in the DDFs. Once the ddfs were re-built, the connection worked.

20120131-EE-VQP-002

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