Hi Koen,
I made this fix in my Wt 3.1.0 code branch and it fixed the problem! As usual,
thanks for your awesome support.
-- Dan
On Jan 29, 2010, at 4:11 AM, Koen Deforche wrote:
> Hey Daniel,
>
> 2010/1/29 Koen Deforche <k...@emweb.be>:
>> Hey Daniel,
>>
>> 2010/1/28 Ginsburg, Daniel <daniel.ginsb...@childrens.harvard.edu>:
>>> I am trying to integrate Qt into my Wt application. I got the wtwithqt
>>> example to build and run no problem and I integrated the libwtwithqt.a into
>>> my project. I changed my application to inherit WQApplication and
>>> attempted to create a simple QtObject (like the one in the sample) in the
>>> virtual MyApplication::create() method. The problem I am having is that I
>>> am getting an exception:
>>
>>> [2010-Jan-28 14:41:11.606307] 22371 [/ PmOcWEt6qjPLXZVP] [error] "Exception
>>> while streaming resourceboost::lock_error"
>>
>> It seems that it may have to do with using a WResource, and I can see
>> what might be a small problem in that case because of the thread
>> switching magic going on in the background. To be investigated !
>
> I found the problem, and pushed a fix to public git. The following is
> a patch which you could also apply on 3.1.0.
>
> Regards,
> koen
>
> diff --git a/src/Wt/WResource.C b/src/Wt/WResource.C
> index c960b25..df8876e 100644
> --- a/src/Wt/WResource.C
> +++ b/src/Wt/WResource.C
> @@ -86,7 +86,7 @@ void WResource::handle(WebRequest *webRequest,
> WebResponse *webResponse,
> // lock
> if (!continuation) {
> WebSession::Handler *h = WebSession::Handler::instance();
> - if (h)
> + if (h && h->lock().owns_lock())
> h->lock().unlock();
> }
> #endif // WT_THREADED
>
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Daniel Ginsburg / email: daniel.ginsb...@childrens.harvard.edu
Principal Software Architect
Fetal-Neonatal Neuroimaging and Development Science Center
Children's Hospital Boston
300 Longwood Avenue
Boston, MA 02115
Phone: 857-218-5140
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