MySQL Bugs: #16731: Access violation just to open on a particular database

Bug #16731	Access violation just to open on a particular database
Submitted:	23 Jan 2006 16:42	Modified:	26 Jan 2006 22:38
Reporter:	John Kirkwood	Email Updates:
Status:	Can't repeat	Impact on me:	None
Category:	MySQL Query Browser	Severity:	S3 (Non-critical)
Version:	1.1.19	OS:	Windows (XP SP2 and W2K SP4)
Assigned to:		CPU Architecture:	Any

Description:
I have just started using the Query Browser with a longstanding MySQL database.

Just opening the app, on either the W2K server or my XP admin workstation, produces a memory exception (combo screen shot has many details).  First, on W2K is "Access viloation at address 005bc79c in module 'MySQLQueryBrowser.exe'. Read of address 00000000".

Reading the table definitions for the database I open with seems to work properly.

Closing the Query Browser does not work.  I have to kill it in Task Manager.  The task consumes all free CPU cycles (on one CPU of 2 CPUs in server) in this hung state.

Hope this is enough info.  Screen shot will help.

John

How to repeat:
Open Query Browser.  See access violation at bottom.  Close Query Browser. Observe app does not exit gracefully and must be killed.

Suggested fix:
N/A

Thank you for a problem report. What exact version of MySQL server are you connecting to?

Sorry, forgot to mention that.  The server v. is v.4.1.15-nt.

I was unable to reproduce this bug connecting to 4.1.15.

I have the exact same problem, but I've already posted it here at the bottom (right now):
http://bugs.mysql.com/bug.php?id=4329&thanks=3&notify=7

I got the same problem with QB 1.1.19. The error message appears in the third field of the statusline and will be permanently updated. The menues get a darkblue background when moving the mouse over them and cannot be opened. When marking text in the SQLField in gets white letters on white ground.
I can do queries on tables and afterwards the updating of the statusline stops and in the second field of the statusline the word "file" appears on darkblue background. When clicking on this field this word and the errormessage disappear. And everything seems to be ok but the menues got still darkblue background, i can open the menues but the disabled option in the menues are not shown.
The problem occured some days ago, before this everything was ok. I tried do deinstall and reinstall QB, i tried older versions and deleted the configuration files in applicationdata\mysql but the error persists.
I tried connections to MySQL Server versions 5.0.15, 4.1.14 and 4.1.7.

I now tried 1.1.20. The error adress changed to 58c7b4. Clicking in the second field of the status line after start removes the error message, menues are now ok.

The error disappeard.  Perhaps depending on some changes in internet settings(?) Tries the QB to connect to a server at start?