Heidisql is crashing after VPN disconnect

[slorandus]

Preconditions

• HeidiSQL version: 12.6.0.6773
• Database type and version: MariaDB 5.5.68 (on a CentOS 7.9 server)
• OS: Windows 11 Pro

Describe the bug

I am connecting to the MySQL server through an OpenVPN connection. When I put my computer to sleep, the OpenVPN is disconnecting and reconnecting again when the computer wakes up. This is the moment when Heidisql is crashing.

To Reproduce

1. Computer starts
2. Connect to wireless network
3. Connect the OpenVPN
4. Start Heidisql and connect to the MariaDB server through OpenVPN connection
5. Put the computer to sleep
   (the wireless connection is lost, the OpenVPN connection is lost, the connection to MariaDB is lost)
6. Computer wakes up
7. The wireless is reconnecting
8. The OpenVPN is reconnecting
9. Heidisql is crashing

Screenshots or Crash reports

date/time : 2023-11-21, 20:12:18, 169ms
computer name : INT-080-LPT
user name : loran
registered owner : [email protected]
operating system : Windows 11 x64 build 22631
system language : English
system up time : 5 days 2 hours
program up time : 10 hours 41 minutes
processors : 8x Intel(R) Core(TM) i5-8265U CPU @ 1.60GHz
physical memory : 1334/8078 MB (free/total)
free disk space : (C:) 174,02 GB
display mode : 1920x1080, 32 bit
process id : $3024
allocated memory : 108,09 MB
largest free block : 131021,95 GB
command line : "C:\Dropbox\Soft\Heidisql\heidisql.exe" --runfrom=scheduler
executable : heidisql.exe
exec. date/time : 2023-11-21 09:30
version : 12.6.0.6773
compiled with : Delphi 11
madExcept version : 5.1.3
contact name : Lorand Szekely
contact email : [email protected]
callstack crc : $a97ad4d7, $4ebacec4, $57439d5d
exception number : 4
exception class : EDbError
exception message : Column #7 not available. Query returned 12 columns and 11 rows.

main thread ($5430):
00cabd63 heidisql.exe dbconnection 8722 +35 TMySQLQuery.Col
00cac929 heidisql.exe dbconnection 8811 +5 TDBQuery.Col
0119acff heidisql.exe Main 9196 +10 TMainForm.HostListGetImageIndex
00996488 heidisql.exe VirtualTrees 20339 +9 TBaseVirtualTree.DoGetImageIndex
0099adfd heidisql.exe VirtualTrees 22033 +11 TBaseVirtualTree.GetImageSize
00985a4f heidisql.exe VirtualTrees 13524 +41 TBaseVirtualTree.GetOffsets
009aef8d heidisql.exe VirtualTrees 30784 +186 TBaseVirtualTree.PaintTree
0099f607 heidisql.exe VirtualTrees 24037 +23 TBaseVirtualTree.Paint
006c69f6 heidisql.exe Vcl.Controls TCustomControl.PaintWindow
006bd1f3 heidisql.exe Vcl.Controls TWinControl.PaintHandler
006bdf2e heidisql.exe Vcl.Controls TWinControl.WMPaint
006c6988 heidisql.exe Vcl.Controls TCustomControl.WMPaint
009902dc heidisql.exe VirtualTrees 17776 +8 TBaseVirtualTree.WMPaint
0040f621 heidisql.exe System TObject.Dispatch
006b5abd heidisql.exe Vcl.Controls TControl.WndProc
006bcf72 heidisql.exe Vcl.Controls TWinControl.WndProc
009a44ce heidisql.exe VirtualTrees 25890 +32 TBaseVirtualTree.WndProc
006bc0aa heidisql.exe Vcl.Controls TWinControl.MainWndProc
005d4403 heidisql.exe System.Classes StdWndProc
7ffdb5b3 ntdll.dll KiUserCallbackDispatcher
7ffdb4d3 USER32.dll DispatchMessageW
004f4087 heidisql.exe madExcept HandleException
00500521 heidisql.exe madExcept InterceptAHandleExcept
006bc0ce heidisql.exe Vcl.Controls TWinControl.MainWndProc
005d4403 heidisql.exe System.Classes StdWndProc
7ffdb5b3 ntdll.dll KiUserCallbackDispatcher
7ffdb4d3 USER32.dll DispatchMessageW
00857a5e heidisql.exe Vcl.Forms TApplication.ProcessMessage
00857ad3 heidisql.exe Vcl.Forms TApplication.HandleMessage
00857f2a heidisql.exe Vcl.Forms TApplication.Run
011c6c28 heidisql.exe heidisql 115 +41 initialization
7ffdb3a6 KERNEL32.DLL BaseThreadInitThunk
7ffdb5ae ntdll.dll RtlUserThreadStart

main thread ($5430), inner exception level 1:

EDbError, Column #7 not available. Query returned 12 columns and 11 rows.
00cabd63 heidisql.exe dbconnection 8722 +35 TMySQLQuery.Col
7ffdb4d4 USER32.dll GetMessageW
004f400c heidisql.exe madExcept HandleException
00500521 heidisql.exe madExcept InterceptAHandleExcept
006bc0ce heidisql.exe Vcl.Controls TWinControl.MainWndProc
005d4403 heidisql.exe System.Classes StdWndProc
7ffdb5b3 ntdll.dll KiUserCallbackDispatcher
7ffdb4d3 USER32.dll DispatchMessageW
004f4087 heidisql.exe madExcept HandleException
00500521 heidisql.exe madExcept InterceptAHandleExcept
006bc0ce heidisql.exe Vcl.Controls TWinControl.MainWndProc
005d4403 heidisql.exe System.Classes StdWndProc
7ffdb5b3 ntdll.dll KiUserCallbackDispatcher
7ffdb4d3 USER32.dll DispatchMessageW
00857a5e heidisql.exe Vcl.Forms TApplication.ProcessMessage
00857ad3 heidisql.exe Vcl.Forms TApplication.HandleMessage
00857f2a heidisql.exe Vcl.Forms TApplication.Run
011c6c28 heidisql.exe heidisql 115 +41 initialization
7ffdb3a6 KERNEL32.DLL BaseThreadInitThunk
7ffdb5ae ntdll.dll RtlUserThreadStart

main thread ($5430), inner exception level 2:

EDbError, Column #7 not available. Query returned 12 columns and 11 rows.
00cabd63 heidisql.exe dbconnection 8722 +35 TMySQLQuery.Col
7ffdb4d4 USER32.dll GetMessageW
004f400c heidisql.exe madExcept HandleException
00500521 heidisql.exe madExcept InterceptAHandleExcept
006bc0ce heidisql.exe Vcl.Controls TWinControl.MainWndProc
005d4403 heidisql.exe System.Classes StdWndProc
7ffdb5b3 ntdll.dll KiUserCallbackDispatcher
7ffdb4d3 USER32.dll DispatchMessageW
004f4087 heidisql.exe madExcept HandleException
00500521 heidisql.exe madExcept InterceptAHandleExcept
006bc0ce heidisql.exe Vcl.Controls TWinControl.MainWndProc
005d4403 heidisql.exe System.Classes StdWndProc
7ffdb5b3 ntdll.dll KiUserCallbackDispatcher
7ffdb4d3 USER32.dll DispatchMessageW
00857a5e heidisql.exe Vcl.Forms TApplication.ProcessMessage
00857ad3 heidisql.exe Vcl.Forms TApplication.HandleMessage
00857f2a heidisql.exe Vcl.Forms TApplication.Run
011c6c28 heidisql.exe heidisql 115 +41 initialization
7ffdb3a6 KERNEL32.DLL BaseThreadInitThunk
7ffdb5ae ntdll.dll RtlUserThreadStart