Cura 4.6.1 doesn't start

[hrnick 0]

I have installed cura 4.6.1 found in portage in my Gentoo system but can't get it to start. Running cura from a terminal gives the output below. The spash screen shows up, disappears right before the cyclic dependency warning and then nothing happens.

 

$ cura 
/usr/lib/python3.7/site-packages/UM/PluginRegistry.py:4: DeprecationWarning: the imp module is deprecated in favour of importlib; see the module's documentation for alternative uses
  import imp
[MainThread] UM.Application.initialize [144]: Initializing Ultimaker Cura
[MainThread] UM.Application.initialize [145]: App Version 4.6.1
[MainThread] UM.Application.initialize [146]: Api Version 7.2.0
[MainThread] UM.Application.initialize [147]: Build type None
[MainThread] UM.Resources.__initializeStoragePaths [445]: Initializing storage paths
[MainThread] UM.Resources.__initializeStoragePaths [455]: Config storage path is /home/hrnick/.config/cura/4.6
[MainThread] UM.Resources.__initializeStoragePaths [463]: Data storage path is /home/hrnick/.local/share/cura/4.6
[MainThread] UM.Resources.__initializeStoragePaths [475]: Cache storage path is /home/hrnick/.cache/cura/4.6
[MainThread] UM.PackageManager.__init__ [53]: Found bundled packages JSON file: /usr/share/uranium/resources/bundled_packages/uranium.json
[MainThread] UM.PackageManager.__init__ [53]: Found bundled packages JSON file: /usr/share/cura/resources/bundled_packages/cura.json
Attribute Qt::AA_UseDesktopOpenGL must be set before QCoreApplication is created.
[MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [118]: Trying OpenGL context 4.1...
[MainThread] UM.View.GL.OpenGLContext.detectBestOpenGLVersion [128]: Yay, we got at least OpenGL 4.1 core: 4.1 Core profile
[MainThread] UM.Qt.QtApplication.initialize [173]: Detected most suitable OpenGL context version: 4.1 Core profile
[MainThread] UM.Qt.QtApplication.initialize [180]: Initializing job queue ...
[MainThread] UM.Qt.QtApplication.initialize [184]: Initializing version upgrade manager ...
[MainThread] UM.PackageManager._loadManagementData [164]: Loaded bundled packages data from /usr/share/uranium/resources/bundled_packages/uranium.json
[MainThread] UM.PackageManager._loadManagementData [164]: Loaded bundled packages data from /usr/share/cura/resources/bundled_packages/cura.json
[MainThread] UM.PackageManager._loadManagementData [185]: Loaded user packages management file from /home/hrnick/.local/share/cura/4.6/packages.json
[MainThread] UM.PackageManager._saveManagementData [254]: Package management file /home/hrnick/.local/share/cura/4.6/packages.json was saved
[MainThread] UM.PluginRegistry.initializeBeforePluginsAreLoaded [110]: Loading plugin configuration file '/home/hrnick/.config/cura/4.6/plugins.json'
Cyclic dependency detected between "file:///usr/share/cura/resources/qml/Actions.qml" and "file:///usr/share/cura/resources/qml/Actions.qml"
QObject::connect: Cannot queue arguments of type 'QList<QQmlError>'
(Make sure 'QList<QQmlError>' is registered using qRegisterMetaType().)
QQmlApplicationEngine failed to load component

Cura has been compiled against python 3.7.7.

 

It seems to me like it's Qt related but I don't really know where to go from here. Any help would be highly appreciated! Thanks!

 

[hrnick 0]

It seems as if the last four lines...

Cyclic dependency detected between "file:///usr/share/cura/resources/qml/Actions.qml" and "file:///usr/share/cura/resources/qml/Actions.qml"
QObject::connect: Cannot queue arguments of type 'QList<QQmlError>'
(Make sure 'QList<QQmlError>' is registered using qRegisterMetaType().)
QQmlApplicationEngine failed to load component

...are generated by...

self._qml_engine.load(self._main_qml)

...in the function initializeEngine() in...

/usr/lib/python3.7/site-packages/UM/Qt/QtApplication.py

I don't really know where to go from there though. :/

[nallath 1,124]

Is there a specific reason you're not just using the appimage? That is the version that we control / support.

[hrnick 0]

There are a number of reasons why I prefer to use a package manager. Instead of manually downloading, chmoding, and moving 20+ applications and being on 20+ mailing lists for updates and 20+ lists for security related issues I'd rather just run a command in my terminal and update everything at one. Also your appImage creates ~/fontconfig every time I run it which is really annoying.

[fenrirjk 0]

Hello Ultimaker team,

 

I have the exact same issue, any update ?

I am running Gentoo 5.4.80

 

BR.

Edited February 25, 2021 by fenrirjk

[gr5 2,235]

This is 8 months old and now Cura 4.8 is out.  Do you have the problem with Cura 4.8 also?  If so then please start a new topic and mention it's 4.8 and also please include the log file.  Where to get log file:

 

%APPDATA%\cura\<Cura version>\cura.log (Windows), or usually C:\Users\\<your username>\AppData\Roaming\cura\<Cura version>\cura.log
$USER/Library/Application Support/cura/<Cura version>/cura.log (OSX)
$USER/.local/share/cura/<Cura version>/cura.log (Ubuntu/Linux)

 

Because you are a very new user you might not be able to upload your log file here (not sure).  If you can't then upload it to some free service like google drive or dropbox and post a link.

[hrnick 0]

I had the same problem with 4.8.0, 4.9.0 and 4.9.1 until I found out what the problem was; dev-qt/qtquickcontrols has to be built with the widgets USE flag enabled. It's unfortunate that this information is not easily available anywhere but there you have it.

[alfcura 1]

Hell i have same issue since any of the 5xxx cura versions on Linux Manjaro up to date.

The last 4.13 work always.

I have install i think all the QT6 package for my systems...all python-qml...

 

another one speak about too of this here.

 

[alfcura 1]

Hello One user of the Manjaro Team have reply to me and give me the trick thats works...

many thanks again.

 

https://forum.manjaro.org/t/cura-version-5-appimage-failed-start/123516

 

On the console for example with cura 5.2:

 

QT_STYLE_OVERRIDE=""  ./Ultimaker-Cura-5.1.1-linux-modern.AppImage