Re: pourquoi il est impossible d'exporté

$ lyx
QSocketNotifier: Can only be used with threads started with QThread
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Error: Document class not found
----------------------------------------
The layout file:
dgruytercollection
could not be found. A default textclass with default
layouts will be used. LyX will not be able to produce
correct output.
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
support/lassert.cpp (52): ASSERTION status !=3D ExportSuccess VIOLATED IN
../../src/Buffer.cpp:4794
(  1) lyx: lyx::doAssertWithCallstack(bool)
(  2) lyx: lyx::Buffer::preview(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, bool) const
(  3) lyx:
lyx::frontend::GuiView::GuiViewPrivate::previewAndDestroy(lyx::Buffer
const*, lyx::Buffer*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
(  4) lyx:
QtConcurrent::RunFunctionTask<lyx::Buffer::ExportStatus>::run()
(  5) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xe2143) [0x7f8c29ce2143]
(  6) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xded21) [0x7f8c29cded21]
(  7) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x92b7b) [0x7f8c2969eb7b]
(  8) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x1107f8) [0x7f8c2971c7f8]
support/lassert.cpp (52): ASSERTION status !=3D ExportSuccess VIOLATED IN
../../src/Buffer.cpp:4794
(  1) lyx: lyx::doAssertWithCallstack(bool)
(  2) lyx: lyx::Buffer::preview(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, bool) const
(  3) lyx:
lyx::frontend::GuiView::GuiViewPrivate::previewAndDestroy(lyx::Buffer
const*, lyx::Buffer*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
(  4) lyx:
QtConcurrent::RunFunctionTask<lyx::Buffer::ExportStatus>::run()
(  5) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xe2143) [0x7f8c29ce2143]
(  6) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xded21) [0x7f8c29cded21]
(  7) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x92b7b) [0x7f8c2969eb7b]
(  8) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x1107f8) [0x7f8c2971c7f8]
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
support/lassert.cpp (52): ASSERTION status !=3D ExportSuccess VIOLATED IN
../../src/Buffer.cpp:4794
(  1) lyx: lyx::doAssertWithCallstack(bool)
(  2) lyx: lyx::Buffer::preview(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, bool) const
(  3) lyx:
lyx::frontend::GuiView::GuiViewPrivate::previewAndDestroy(lyx::Buffer
const*, lyx::Buffer*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
(  4) lyx:
QtConcurrent::RunFunctionTask<lyx::Buffer::ExportStatus>::run()
(  5) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xe2143) [0x7f8c29ce2143]
(  6) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xded21) [0x7f8c29cded21]
(  7) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x92b7b) [0x7f8c2969eb7b]
(  8) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x1107f8) [0x7f8c2971c7f8]
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
support/lassert.cpp (52): ASSERTION status !=3D ExportSuccess VIOLATED IN
../../src/Buffer.cpp:4794
(  1) lyx: lyx::doAssertWithCallstack(bool)
(  2) lyx: lyx::Buffer::preview(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, bool) const
(  3) lyx:
lyx::frontend::GuiView::GuiViewPrivate::previewAndDestroy(lyx::Buffer
const*, lyx::Buffer*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
(  4) lyx:
QtConcurrent::RunFunctionTask<lyx::Buffer::ExportStatus>::run()
(  5) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xe2143) [0x7f8c29ce2143]
(  6) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xded21) [0x7f8c29cded21]
(  7) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x92b7b) [0x7f8c2969eb7b]
(  8) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x1107f8) [0x7f8c2971c7f8]
support/lassert.cpp (52): ASSERTION status !=3D ExportSuccess VIOLATED IN
../../src/Buffer.cpp:4794
(  1) lyx: lyx::doAssertWithCallstack(bool)
(  2) lyx: lyx::Buffer::preview(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, bool) const
(  3) lyx:
lyx::frontend::GuiView::GuiViewPrivate::previewAndDestroy(lyx::Buffer
const*, lyx::Buffer*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
(  4) lyx:
QtConcurrent::RunFunctionTask<lyx::Buffer::ExportStatus>::run()
(  5) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xe2143) [0x7f8c29ce2143]
(  6) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xded21) [0x7f8c29cded21]
(  7) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x92b7b) [0x7f8c2969eb7b]
(  8) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x1107f8) [0x7f8c2971c7f8]
support/lassert.cpp (52): ASSERTION status !=3D ExportSuccess VIOLATED IN
../../src/Buffer.cpp:4794
(  1) lyx: lyx::doAssertWithCallstack(bool)
(  2) lyx: lyx::Buffer::preview(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, bool) const
(  3) lyx:
lyx::frontend::GuiView::GuiViewPrivate::previewAndDestroy(lyx::Buffer
const*, lyx::Buffer*, std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&)
(  4) lyx:
QtConcurrent::RunFunctionTask<lyx::Buffer::ExportStatus>::run()
(  5) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xe2143) [0x7f8c29ce2143]
(  6) /lib/x86_64-linux-gnu/libQt5Core.so.5: /lib/x86_64-linux-
gnu/libQt5Core.so.5(+0xded21) [0x7f8c29cded21]
(  7) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x92b7b) [0x7f8c2969eb7b]
(  8) /lib/x86_64-linux-gnu/libc.so.6: /lib/x86_64-linux-
gnu/libc.so.6(+0x1107f8) [0x7f8c2971c7f8]


On mar., 2026-03-31 at 11:04 +0200, Jean-Pierre Chr=E9tien via lyx-fr
wrote:
> Le 31/03/2026 =E0 10:36, Jean-Christophe =C9n=E9e a =E9crit=A0:
> > BONJOUR,
> > JE VAIS TENT=C9 DE REST=C9 CALME.
> > LYX PERMET L'EXPORT DE DOCUMENT EN PLUSIEURS FORMAT, NOTAMENT LE
> > PDF ET
> > L'HTML.
> > =

> > POURQUOI TOUT EXPORT SEMBLE CE PASSE CORRECTEMENT ALORS QU'UN
> > FICHIER
> > N'EST CREE...
> =

> Bonjour Jean-Christophe
> =

> Inutile de crier, le message est bien pass=E9.
> =

> Si je comprends bien, vous exportez (en pdf, par exemple) et vous ne
> trouvez pas =

> le fichier pdf dans le r=E9pertoire du fichier LyX.
> Avez-vous bien effectu=E9 Fichier>Exporter>PDF (pdflatex)
> Si vous avez appuy=E9 sur l'ic=F4ne d'affichage pour Visionner (en haut =
=E0
> gauche, =

> sous le menu des styles), c'est normal de ne pas trouver le fichier
> pdf dans le =

> r=E9pertoire, il est cr=E9=E9 dans le r=E9pertoire temporaire (ici par
> exemple :
> /tmp/lyx_tmpdir.PLcAdpYyvmQS/lyx_tmpbufX)
> =

> -- =

> Bonne journ=E9e
> Jean-Pierre
> =

> =

-- =

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