[Lazarus] Lots of access violations with TSQLConnection TSQLQuery on Linux

[Michael Van Canneyt]

On Thu, 4 Apr 2019, Anthony Walter wrote:

> Sven,
>
> I am fairly confident that I have all the required libraries installed and
> configured correctly. Everything works fine, including reading data from my
> remote server and applying updates. The exception is that if at design time
> I change the Active property of any data related non visual component, then
> I get an AV. Also, I did follow the instructions or guide on that page
> prior to your suggestion and ti helped me connect to my remote server.
>
> Michael,
>
> To be sure I have the correct sources, I tried this twice. Once with my
> current Lazarus, and again with svn fixes_2_0 Lazarus. Both exhibit the
> same behavior and stack trace. Here is a screenshot of the error and the
> stack trace. I simply opened the my project, set the SQL query Active
> property to False, and I get this error.
>
> https://cache.getlazarus.org/images/sql-linux-av.jpg

Unfortunately, this stack trace is useless: it is the stack trace when the
dialog is shown, not when the actual AV happens. You need to debug the IDE
and post the stacktrace when the AV happened.

Michael.