[V4RB] Bus error

Christer Olsson christer at ljusaideer.se
Tue Aug 1 15:17:02 CDT 2006


>>On 8/1/06 2:58 PM, "Christer Olsson" <christer at ljusaideer.se> wrote:
>>
>>>> Can you tell me if ANY server-side cursor crashes for you ?
>>>>
>>>> Or only some of them?
>>>> May be e.g. Only empty cursors ?
>>>
>>> It seems like every server-side cursor results in bus error, no matter if it
>>> is readonly or readwrite, and no matter if it is empty or not.
>>
>>Well,
>>
>>I have start server in console, with verbose level = 3
>>
>>Open example V4RB/Examples/SQL/ Records_AddDeleteUpdate
>>
>>In the Project -> ExampleTools ->Init() set gClient = true
>>
>>* Run example, - it create db on server
>>
>>* click button "SELECT" -- it create SERVE SIDE cursor.
>>    then I am able add records, navigate them..
>>
>>Please try all this on your side.
>>    INTEL   ?
>>    G4      ?
>
>Running your example on my Macbook Pro intel works fine. Good.
>Running our own app on my Macbookpro results in bus error. Bad.
>
>It's hard to debug when you don't get any more error message than "bus error".
>
>Any thoughts of where to look in our code?

We get an VException error 394506 in our client, and a serch in the list archives shows that Charles Yeomans had the same problem on VDatabase.SQLSelect in august 2005. I can't, however, find any final solution in the thread:

--- begin forwarded text ---
>Delivered-To: valentina at lists.macserve.net
>To: Valentina Developers <valentina at lists.macserve.net>
>From: Charles Yeomans <yeomans at desuetude.com>
>Date: Tue, 9 Aug 2005 13:33:46 -0400
>Subject: [V4Rb 2] error 394506
>Reply-To: Valentina Developers <valentina at lists.macserve.net>
>List-Id: Valentina Developers  <valentina.lists.macserve.net>
>List-Archive: <http://lists.macserve.net/pipermail/valentina>
>List-Post: <mailto:valentina at lists.macserve.net>
>List-Help: <mailto:valentina-request at lists.macserve.net?subject=help>
>
>What does it mean to get error 394506 when calling VDatabase.SQLSelect? 
>  I'm seeing this, as usual, when attempting to connect to a remote 
>database.  Afterward, VServer quits due to a bus error.
>
>--------------
>Charles Yeomans
>
>_______________________________________________
>Valentina mailing list
>Valentina at lists.macserve.net
>http://lists.macserve.net/mailman/listinfo/valentina
>--- end forwarded text ---
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