Hi all,

I'm currently trying to upgrade to Wt 3.3.0 from Wt 3.2.3. Compiling 
just went fine. But during initialization I get the following core dump:

It seems to me that some Widget/Layout we are using is not supported 
anymore!?

assert(false) within WContainerWidget::createLayoutItemImpl()!

Any idea?

Regards,
Stefan


#0  0x00007ffff6045425 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff6048b8b in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff603e0ee in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3  0x00007ffff603e192 in __assert_fail () from 
/lib/x86_64-linux-gnu/libc.so.6
#4  0x00007ffff733faa7 in Wt::WContainerWidget::createLayoutItemImpl 
(this=<optimized out>, item=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:176
#5  0x00007ffff74d9dc5 in Wt::WWidget::createSDomElement (this=0x3762, 
app=0x376a) at /home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWidget.C:325
#6  0x00007ffff72b1f16 in Wt::StdWidgetItemImpl::createDomElement 
(this=<optimized out>, fitWidth=<optimized out>, fitHeight=<optimized 
out>, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdWidgetItemImpl.C:112
#7  0x00007ffff72ac267 in Wt::StdGridLayoutImpl2::createElement 
(this=<optimized out>, item=<optimized out>, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdGridLayoutImpl2.C:118
#8  0x00007ffff72aef21 in Wt::StdGridLayoutImpl2::createDomElement 
(this=0x7fffd415ac40, fitWidth=true, fitHeight=true, app=0x7fffd4031570) 
at /home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdGridLayoutImpl2.C:650
#9  0x00007ffff7341ae5 in Wt::WContainerWidget::createDomChildren 
(this=0x7fffd415a030, parent=..., app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:670
#10 0x00007ffff73422e6 in Wt::WContainerWidget::createDomElement 
(this=0x7fffd415a030, app=0x7fffd4031570, addChildren=true) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:658
#11 0x00007ffff74c3eed in Wt::WWebWidget::createActualElement 
(this=0x3762, self=0x7fffd415a030, app=0x6) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWebWidget.C:2001
#12 0x00007ffff74d9e15 in Wt::WWidget::createSDomElement 
(this=0x7fffd415a030, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWidget.C:333
#13 0x00007ffff72b1f16 in Wt::StdWidgetItemImpl::createDomElement 
(this=<optimized out>, fitWidth=<optimized out>, fitHeight=<optimized 
out>, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdWidgetItemImpl.C:112
#14 0x00007ffff72ac267 in Wt::StdGridLayoutImpl2::createElement 
(this=<optimized out>, item=<optimized out>, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdGridLayoutImpl2.C:118
#15 0x00007ffff72aef21 in Wt::StdGridLayoutImpl2::createDomElement 
(this=0x7fffd415b9b0, fitWidth=true, fitHeight=true, app=0x7fffd4031570) 
at /home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdGridLayoutImpl2.C:650
#16 0x00007ffff7341ae5 in Wt::WContainerWidget::createDomChildren 
(this=0x7fffd415b630, parent=..., app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:670
#17 0x00007ffff73422e6 in Wt::WContainerWidget::createDomElement 
(this=0x7fffd415b630, app=0x7fffd4031570, addChildren=true) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:658
#18 0x00007ffff74c3eed in Wt::WWebWidget::createActualElement 
(this=0x3762, self=0x7fffd415b630, app=0x6) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWebWidget.C:2001
#19 0x00007ffff74d9e15 in Wt::WWidget::createSDomElement 
(this=0x7fffd415b630, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWidget.C:333
#20 0x00007ffff72b1f16 in Wt::StdWidgetItemImpl::createDomElement 
(this=<optimized out>, fitWidth=<optimized out>, fitHeight=<optimized 
out>, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdWidgetItemImpl.C:112
#21 0x00007ffff72ac267 in Wt::StdGridLayoutImpl2::createElement 
(this=<optimized out>, item=<optimized out>, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdGridLayoutImpl2.C:118
#22 0x00007ffff72aef21 in Wt::StdGridLayoutImpl2::createDomElement 
(this=0x7fffd415bd70, fitWidth=true, fitHeight=true, app=0x7fffd4031570) 
at /home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/StdGridLayoutImpl2.C:650
#23 0x00007ffff7341ae5 in Wt::WContainerWidget::createDomChildren 
(this=0x7fffd4036280, parent=..., app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:670
#24 0x00007ffff73422e6 in Wt::WContainerWidget::createDomElement 
(this=0x7fffd4036280, app=0x7fffd4031570, addChildren=true) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:658
#25 0x00007ffff74c3eed in Wt::WWebWidget::createActualElement 
(this=0x3762, self=0x7fffd4036280, app=0x6) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWebWidget.C:2001
#26 0x00007ffff74d9e15 in Wt::WWidget::createSDomElement 
(this=0x7fffd4036280, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWidget.C:333
#27 0x00007ffff7341d27 in Wt::WContainerWidget::createDomChildren 
(this=0x7fffd4035d40, parent=..., app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:724
#28 0x00007ffff73422e6 in Wt::WContainerWidget::createDomElement 
(this=0x7fffd4035d40, app=0x7fffd4031570, addChildren=true) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WContainerWidget.C:658
#29 0x00007ffff74c3eed in Wt::WWebWidget::createActualElement 
(this=0x3762, self=0x7fffd4035d40, app=0x6) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWebWidget.C:2001
#30 0x00007ffff74d9e15 in Wt::WWidget::createSDomElement 
(this=0x7fffd4035d40, app=0x7fffd4031570) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WWidget.C:333
#31 0x00007ffff75d183b in Wt::WebRenderer::serveMainAjax 
(this=0x7fffc8001928, out=...) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebRenderer.C:1058
#32 0x00007ffff75d35ed in Wt::WebRenderer::serveMainscript 
(this=0x7fffc8001928, response=...) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebRenderer.C:952
#33 0x00007ffff75b5356 in Wt::WebSession::serveResponse 
(this=0x7fffc8001830, handler=...) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebSession.C:2344
#34 0x00007ffff75c1f06 in Wt::WebSession::render (this=0x7fffc8001830, 
handler=...) at /home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebSession.C:2293
#35 0x00007ffff75c2357 in Wt::WebSession::notify (this=0x7fffc8001830, 
event=...) at /home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebSession.C:2170
#36 0x00007ffff75bf05c in Wt::WebSession::handleRequest 
(this=0x7fffc8001830, handler=...) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebSession.C:1489
#37 0x00007ffff75a8b2a in Wt::WebController::handleRequest 
(this=0x8cd680, request=0x7fffd40017c0) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/web/WebController.C:634
#38 0x00007ffff6f9b3b2 in 
boost::asio::detail::completion_handler<boost::_bi::bind_t<void, 
boost::_mfi::mf1<void, Wt::WebController, Wt::WebRequest*>, 
boost::_bi::list2<boost::_bi::value<Wt::WebController*>, 
boost::_bi::value<http::server::HTTPRequest*> > > 
 >::do_complete(boost::asio::detail::task_io_service*, 
boost::asio::detail::task_io_service_operation*, 
boost::system::error_code const&, unsigned long) () from 
/opt/myarm_devel21/webapp/lib/libwthttp.so.35
#39 0x00007ffff73b3035 in 
boost::asio::detail::task_io_service::run(boost::system::error_code&) () 
from /opt/myarm_devel21/webapp/lib/libwt.so.35
#40 0x00007ffff73ad101 in run (this=<optimized out>) at 
/opt/devel/x86_64-unknown-linux-gnu/boost-1.48/include/boost/asio/impl/io_service.ipp:59
#41 Wt::WIOService::run (this=0x8c9f60) at 
/home/ruppert/work/wt/wt-3.3.0-rc2/src/Wt/WIOService.C:160
#42 0x00007ffff7ed54e4 in thread_proxy () from 
/opt/myarm_devel21/webapp/lib/libboost_thread.so.1.48.0
#43 0x00007ffff63d5e9a in start_thread () from 
/lib/x86_64-linux-gnu/libpthread.so.0
#44 0x00007ffff6102cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#45 0x0000000000000000 in ?? ()

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