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Re: psqlODBC Experimental Enhanced branch

From: George Weaver <gweaver(at)shaw(dot)ca>
To: Dave Page <dpage(at)vale-housing(dot)co(dot)uk>, pgsql-odbc(at)postgresql(dot)org
Subject: Re: psqlODBC Experimental Enhanced branch
Date: 2006-02-28 19:29:52
Message-ID: 007c01c63c9d$5bcd96d0$6400a8c0@Dell4500 (view raw, whole thread or download thread mbox)
Lists: pgsql-odbc
From: "Dave Page"

>Please test and evaluate it, examine the source code, benchmark it and
>anything else you can think of, and post any opinions to the mailing

Hi Dave;

I have experienced an inconsistent error with all versions of  the 8.1 
driver up to an including  I don't get any error via ODBC but the 
Microsoft "Unfortunately Microsoft has encountered an error and must exit 
the application..." dialog box.

I have never experienced this problem with the 7.02 branch up to

I installed 7.02.026 on February 22 and did not encounter any problem until 
this morning.

I am running PostgreSQL 8.1.0 on i686-pc-mingw32, compiled by GCC gcc.exe 
(GCC) 3.4.2 (mingw-special).

I am running a VB.NET 2003 application accessing the database (obviously) 
via ODBC.

I cannot find any error notification in mylog or the psqlodbc log.  In the 
Windows event viewer the error message is:

    Event Type: Error
    Event Source: COM+
    Event Category: Unknown
    Event ID: 4786
    Date: 28/02/2006
    Time: 10:18:37 AM
    User: N/A
    Computer: DELL4500
    The system has called a custom component and that component has failed 
and generated an exception. This indicates a problem with the custom 
component. Notify the developer of this component that a failure has 
occurred and provide them with the information below.
    Component Prog ID: 0[ODBC][C:\Program 
    Method Name: IDispenserDriver::CreateResource
    Process Name: FormsTest.exe
    Exception: C0000005
    Address: 0x036F5AFF
    Call Stack:
    psqlodbc35w!SQLGetDiagFieldW + 0x2AF

The error is totally inconsistent - I can go for days without experiencing 
any problem; at other times it occurs frequently.

Any thoughts?


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Subject: [ psqlodbc-Bugs-1000573 ] UNICODE-psqlODBC crashes with buffer overrun when connecting to database
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Subject: Re: Bug report 2267: Accessing large objects via ODBC

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