Bug: Could not find color scheme ""

[KevinAtSesam]

Using Fedora 41 with GNOME 47, I get this error when trying to start the application

[kevin@fedora ~]$ flatpak run net.mkiol.Jupii 
QSocketNotifier: Can only be used with threads started with QThread
qt.qpa.qgnomeplatform: Could not find color scheme  ""
desktop file: "net.mkiol.Jupii"
terminate called after throwing an instance of 'std::runtime_error'
  what():  unable to start http server - maybe another instance is running?

When entering the Flatpak container, I have these enviroment variables

[kevin@fedora ~]$ flatpak run --command=sh --devel net.mkiol.Jupii 
[kevin@fedora ~]$ printenv
SHELL=/bin/sh
SESSION_MANAGER=local/unix:@/tmp/.ICE-unix/2726,unix/unix:/tmp/.ICE-unix/2726
__EGL_EXTERNAL_PLATFORM_CONFIG_DIRS=/etc/egl/egl_external_platform.d:/usr/lib/x86_64-linux-gnu/GL/egl/egl_external_platform.d:/usr/share/egl/egl_external_platform.d
COLORTERM=truecolor
XDG_CONFIG_DIRS=/app/etc/xdg:/etc/xdg
LESS=-r
HISTCONTROL=ignoredups
XDG_MENU_PREFIX=gnome-
HOSTNAME=fedora
HISTSIZE=1000
SSH_AUTH_SOCK=/run/user/1000/keyring/ssh
XDG_DATA_HOME=/home/kevin/.var/app/net.mkiol.Jupii/data
XDG_CONFIG_HOME=/home/kevin/.var/app/net.mkiol.Jupii/config
MEMORY_PRESSURE_WRITE=c29tZSAyMDAwMDAgMjAwMDAwMAA=
XMODIFIERS=@im=ibus
DESKTOP_SESSION=gnome
FLATPAK_ID=net.mkiol.Jupii
GPG_TTY=/dev/pts/3
EDITOR=/usr/bin/nano
KDE_FORK_SLAVES=1
PWD=/home/kevin
ALSA_CONFIG_PATH=/usr/share/alsa/alsa-flatpak.conf
XDG_SESSION_DESKTOP=gnome
LOGNAME=kevin
XDG_SESSION_TYPE=wayland
SYSTEMD_EXEC_PID=2772
_=/usr/bin/printenv
XAUTHORITY=/run/user/1000/.mutter-Xwaylandauth.NR6UX2
container=flatpak
GDM_LANG=en_GB.UTF-8
GI_TYPELIB_PATH=/app/lib/girepository-1.0
HOME=/home/kevin
USERNAME=kevin
LANG=en_GB.UTF-8
LS_COLORS=rs=0:di=01;34:ln=01;36:mh=00:pi=40;33:so=01;35:do=01;35:bd=40;33;01:cd=40;33;01:or=40;31;01:mi=01;37;41:su=37;41:sg=30;43:ca=00:tw=30;42:ow=34;42:st=37;44:ex=01;32:*.7z=01;31:*.ace=01;31:*.alz=01;31:*.apk=01;31:*.arc=01;31:*.arj=01;31:*.bz=01;31:*.bz2=01;31:*.cab=01;31:*.cpio=01;31:*.crate=01;31:*.deb=01;31:*.drpm=01;31:*.dwm=01;31:*.dz=01;31:*.ear=01;31:*.egg=01;31:*.esd=01;31:*.gz=01;31:*.jar=01;31:*.lha=01;31:*.lrz=01;31:*.lz=01;31:*.lz4=01;31:*.lzh=01;31:*.lzma=01;31:*.lzo=01;31:*.pyz=01;31:*.rar=01;31:*.rpm=01;31:*.rz=01;31:*.sar=01;31:*.swm=01;31:*.t7z=01;31:*.tar=01;31:*.taz=01;31:*.tbz=01;31:*.tbz2=01;31:*.tgz=01;31:*.tlz=01;31:*.txz=01;31:*.tz=01;31:*.tzo=01;31:*.tzst=01;31:*.udeb=01;31:*.war=01;31:*.whl=01;31:*.wim=01;31:*.xz=01;31:*.z=01;31:*.zip=01;31:*.zoo=01;31:*.zst=01;31:*.avif=01;35:*.jpg=01;35:*.jpeg=01;35:*.mjpg=01;35:*.mjpeg=01;35:*.gif=01;35:*.bmp=01;35:*.pbm=01;35:*.pgm=01;35:*.ppm=01;35:*.tga=01;35:*.xbm=01;35:*.xpm=01;35:*.tif=01;35:*.tiff=01;35:*.png=01;35:*.svg=01;35:*.svgz=01;35:*.mng=01;35:*.pcx=01;35:*.mov=01;35:*.mpg=01;35:*.mpeg=01;35:*.m2v=01;35:*.mkv=01;35:*.webm=01;35:*.webp=01;35:*.ogm=01;35:*.mp4=01;35:*.m4v=01;35:*.mp4v=01;35:*.vob=01;35:*.qt=01;35:*.nuv=01;35:*.wmv=01;35:*.asf=01;35:*.rm=01;35:*.rmvb=01;35:*.flc=01;35:*.avi=01;35:*.fli=01;35:*.flv=01;35:*.gl=01;35:*.dl=01;35:*.xcf=01;35:*.xwd=01;35:*.yuv=01;35:*.cgm=01;35:*.emf=01;35:*.ogv=01;35:*.ogx=01;35:*.aac=01;36:*.au=01;36:*.flac=01;36:*.m4a=01;36:*.mid=01;36:*.midi=01;36:*.mka=01;36:*.mp3=01;36:*.mpc=01;36:*.ogg=01;36:*.ra=01;36:*.wav=01;36:*.oga=01;36:*.opus=01;36:*.spx=01;36:*.xspf=01;36:*~=00;90:*#=00;90:*.bak=00;90:*.crdownload=00;90:*.dpkg-dist=00;90:*.dpkg-new=00;90:*.dpkg-old=00;90:*.dpkg-tmp=00;90:*.old=00;90:*.orig=00;90:*.part=00;90:*.rej=00;90:*.rpmnew=00;90:*.rpmorig=00;90:*.rpmsave=00;90:*.swp=00;90:*.tmp=00;90:*.ucf-dist=00;90:*.ucf-new=00;90:*.ucf-old=00;90:
XDG_CURRENT_DESKTOP=GNOME
MEMORY_PRESSURE_WATCH=/sys/fs/cgroup/user.slice/user-1000.slice/[email protected]/session.slice/[email protected]/memory.pressure
VTE_VERSION=7800
WAYLAND_DISPLAY=wayland-0
QT_QUICK_CONTROLS_STYLE=org.kde.desktop
AT_SPI_BUS_ADDRESS=unix:path=/run/flatpak/at-spi-bus
GNOME_TERMINAL_SCREEN=/org/gnome/Terminal/screen/9348a162_85cd_4201_97b8_8bd3fa86f96b
PULSE_CLIENTCONFIG=/run/flatpak/pulse/config
XDG_CACHE_HOME=/home/kevin/.var/app/net.mkiol.Jupii/cache
GNOME_SETUP_DISPLAY=:1
XDG_SESSION_CLASS=user
TERM=xterm-256color
LESSOPEN=||/usr/bin/lesspipe.sh %s
USER=kevin
GNOME_TERMINAL_SERVICE=:1.287
SHLVL=2
FLATPAK_SANDBOX_DIR=/home/kevin/.var/app/net.mkiol.Jupii/sandbox
QT_IM_MODULE=ibus
GST_PLUGIN_PATH=/app/lib/gstreamer-1.0:/usr/lib/extensions/gstreamer-1.0:/usr/lib/x86_64-linux-gnu/gstreamer-1.0
QML2_IMPORT_PATH=/app/lib64/qml:/app/lib/qml
XDG_STATE_HOME=/home/kevin/.var/app/net.mkiol.Jupii/.local/state
LD_LIBRARY_PATH=
XDG_RUNTIME_DIR=/run/user/1000
S_COLORS=always
PS1=[\[\]\[\033[38;5;4m\]\u\[\]\[\033[38;5;15m\]@\[\]\[\033[38;5;4m\]\h\[\]\[\033[38;5;15m\] \[\]\[\033[38;5;2m\]\w\[\]\[\033[38;5;15m\]]\$ \[\]
DEBUGINFOD_URLS=https://debuginfod.fedoraproject.org/ 
DEBUGINFOD_IMA_CERT_PATH=/etc/keys/ima:
XDG_DATA_DIRS=/app/share:/usr/share:/usr/share/runtime/share:/run/host/user-share:/run/host/share
PATH=/app/bin:/usr/bin
GDMSESSION=gnome
PYTHONUSERBASE=/var/data/python
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/flatpak/bus
ALSA_CONFIG_DIR=/usr/share/alsa
MAIL=/var/spool/mail/kevin
QT_PLUGIN_PATH=/app/lib64/plugins:/app/lib/plugins:/usr/share/runtime/lib/plugins
SYSTEMD_SLEEP_FREEZE_USER_SESSIONS=0
PULSE_SERVER=unix:/run/flatpak/pulse/native

[mkiol]

Hi. Thanks for the report.

This error indicates that TCP port 9092 is already taken and the app cannot bind to this port. Most likely you have another application or another program that uses this port. You can change the default port in the configuration file (~/.var/app/net.mkiol.Jupii/config/net.mkiol/jupii/settings.config). For instance to change to 9093, add line "port=9093" to that file.

To see more logs, you can start with --verbose option:

flatpak run net.mkiol.Jupii --verbose