Description of problem: Massive G Version-Release number of selected component (if applicable): eclipse-swt-4.6.0-0.5.git201604261105.fc24.x86_64 How reproducible: always, just start eclipse on Fedora 24 with wayland backend Steps to Reproduce: 1. start eclipse on a gnome+wayland session 2. have a look at syslog or stdout/stderr Actual results: many warnings, most of them caused by improper usage of Gtk+ API: $ eclipse -clean -data /tmp/test-workspace CompilerOracle: exclude org/eclipse/core/internal/dtree/DataTreeNode.forwardDeltaWith CompilerOracle: exclude org/eclipse/jdt/internal/compiler/lookup/ParameterizedMethodBinding.<init> CompilerOracle: exclude org/eclipse/cdt/internal/core/dom/parser/cpp/semantics/CPPTemplates.instantiateTemplate CompilerOracle: exclude org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPLinkage.addBinding CompilerOracle: exclude org/python/pydev/editor/codecompletion/revisited/PythonPathHelper.isValidSourceFile CompilerOracle: exclude org/eclipse/tycho/core/osgitools/EquinoxResolver.newState xkbcommon: ERROR: Key "<LFSH>" added to modifier map for multiple modifiers; Using Lock, ignoring Shift (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Allocating size to GtkBox 0x7fd3b1d86cf0 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate? (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -3 (allocation 1, extents 2x2) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content height -9 (allocation 1, extents 5x5) while allocating gadget (node button, owner GtkButton) xkbcommon: ERROR: Key "<LFSH>" added to modifier map for multiple modifiers; Using Lock, ignoring Shift (Eclipse:5282): Gtk-WARNING **: Allocating size to GtkBox 0x7fd3b1d86cf0 without calling gtk_widget_get_preferred_width/height(). How does the code know the size to allocate? (Eclipse:5282): Gtk-WARNING **: Negative content width -6 (allocation 1, extents 4x3) while allocating gadget (node toolbar, owner GtkToolbar) (Eclipse:5282): Gtk-WARNING **: Negative content width -1 (allocation 1, extents 1x1) while allocating gadget (node trough, owner GtkProgressBar) (Eclipse:5282): Gtk-WARNING **: Negative content width -1 (allocation 1, extents 1x1) while allocating gadget (node trough, owner GtkProgressBar) (Eclipse:5282): Gtk-WARNING **: Negative content width -13 (allocation 5, extents 9x9) while allocating gadget (node entry, owner GtkEntry) Gdk-Message: Window 0x7fd3b1f08e60 is a temporary window without parent, application will not be able to position it on screen. Gdk-Message: Window 0x7fd3b1f08e60 is a temporary window without parent, application will not be able to position it on screen. Gdk-Message: Window 0x7fd3b1f08e60 is a temporary window without parent, application will not be able to position it on screen. Gdk-Message: Window 0x7fd3b1f08e60 is a temporary window without parent, application will not be able to position it on screen. (Eclipse:5282): Gdk-WARNING **: gdkcursor-wayland.c:170: Unable to load x_cursor from the cursor theme Expected results: just a few warnings or – at best – no warnings at all. Additional info: These warnings were introduced in Gtk+ 3.20 and were not present in Gtk+ 3.18.
Hi Leo, Is there a corresponding upstream bug for this that we can follow?
(In reply to Mat Booth from comment #1) > Hi Leo, > > Is there a corresponding upstream bug for this that we can follow? Bug 486068 – [GTK3.20] Allocation warnings printed in error console https://bugs.eclipse.org/bugs/show_bug.cgi?id=486068
Thanks
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I think we are seeing a lot fewer warnings these days thanks to Eric's work upstream. So I'm happy to see this bug closed. The work to fix these is always ongoing as there are always new GTK releases to change things :-) Those interested in the continuing work should follow the upstream bug as that is where the work is happening.