UI doesn't come up

[tebeka]

Running gotraceui, the GUI does not come up.

$ gotraceui
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:39:34: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:40:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:41:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:42:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:43:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:44:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:45:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:46:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:47:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:48:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:49:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:49:29: too many errors
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:49:29: failed to parse file
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:39:34: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:40:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:41:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:42:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:43:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:44:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:45:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:46:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:47:27: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:48:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:49:29: string literal is not a valid UTF-8 string
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:49:29: too many errors
xkbcommon: ERROR: /usr/share/X11/locale/iso8859-1/Compose:49:29: failed to parse file
2024/01/17 09:42:20 wayland: newXKB: xkb_compose_table_new_from_locale failed
$ echo $?
0

My system is Manjaro with Gnome (wayland) on amd64.
I've installed via go install.

[dominikh]

Can you share the output of env | grep -E "LC_ALL|LC_CTYPE|LANG" as well the output of head -50 /usr/share/X11/locale/iso8859-1/Compose?

[tebeka]

$ env | grep -E "LC_ALL|LC_CTYPE|LANG"
LANG=en_IL
GDM_LANG=en_IL
$ head -50 /usr/share/X11/locale/iso8859-1/Compose
#
# ISO 8859-1 (Latin1) Compose Sequence
#
#
#
# Sequence Definition
#
# <Multi_key> Means <Compose>
# Special Character
<Multi_key> <plus> <plus>		: "#"	numbersign
<Multi_key> <apostrophe> <space>	: "'"	apostrophe
<Multi_key> <space> <apostrophe>	: "'"	apostrophe
<Multi_key> <A> <T>			: "@"	at
<Multi_key> <parenleft> <parenleft>	: "["	bracketleft
<Multi_key> <slash> <slash>		: "\\"	backslash
<Multi_key> <slash> <less>		: "\\"	backslash
<Multi_key> <less> <slash>		: "\\"	backslash
<Multi_key> <parenright> <parenright>	: "]"	bracketright
<Multi_key> <asciicircum> <space>	: "^"	asciicircum
<Multi_key> <space> <asciicircum>	: "^"	asciicircum
<Multi_key> <greater> <space>		: "^"	asciicircum
<Multi_key> <space> <greater>		: "^"	asciicircum
<Multi_key> <grave> <space>		: "`"	grave
<Multi_key> <space> <grave>		: "`"	grave
<Multi_key> <parenleft> <minus>		: "{"	braceleft
<Multi_key> <minus> <parenleft>		: "{"	braceleft
<Multi_key> <slash> <asciicircum>	: "|"	bar
<Multi_key> <asciicircum> <slash>	: "|"	bar
<Multi_key> <V> <L>			: "|"	bar
<Multi_key> <L> <V>			: "|"	bar
<Multi_key> <v> <l>			: "|"	bar
<Multi_key> <l> <v>			: "|"	bar
<Multi_key> <parenright> <minus>	: "}"	braceright
<Multi_key> <minus> <parenright>	: "}"	braceright
<Multi_key> <asciitilde> <space>	: "~"	asciitilde
<Multi_key> <space> <asciitilde>	: "~"	asciitilde
<Multi_key> <minus> <space>		: "~"	asciitilde
<Multi_key> <space> <minus>		: "~"	asciitilde
<Multi_key> <exclam> <exclam>		: "\241"	exclamdown
<Multi_key> <c> <slash>			: "\242"	cent
<Multi_key> <slash> <c>			: "\242"	cent
<Multi_key> <C> <slash>			: "\242"	cent
<Multi_key> <slash> <C>			: "\242"	cent
<Multi_key> <C> <bar>			: "\242"	cent
<Multi_key> <bar> <C>			: "\242"	cent
<Multi_key> <c> <bar>			: "\242"	cent
<Multi_key> <bar> <c>			: "\242"	cent
<Multi_key> <l> <minus>			: "\243"	sterling
<Multi_key> <minus> <l>			: "\243"	sterling
<Multi_key> <L> <minus>			: "\243"	sterling

[dominikh]

The easiest workaround would be to set LANG=en_IL.UTF-8 when launching Gotraceui. xkb_compose_table_new_from_locale seems to interpret en_IL as meaning en_IL.ISO8859-1 and then fails to parse the Compose file it finds because it contains non-UTF-8. I don't know how the rest of your system behaves wrt this and whether your system is actually set up to use ISO 8859-1 or UTF-8, and you may want to look into that, as some other software has issues similar to this.

In the meantime, I'll look into sending a patch to Gio to fail gracefully when it can't load the Compose table.

Related: xkbcommon/libxkbcommon#76

[tebeka]

The easiest workaround would be to set LANG=en_IL.UTF-8 when launching Gotraceui.

That worked thanks! Feel free to close (in case you want to keep this around).