qt.qpa.plugin : Could not load the Qt platform plugin "xcb" in "" even though it was found. Pop-Os 21.10 Gnome V40.4.0

Question

似乎有很多类似的问题。我在 StackOverflow 和其他地方查看了其中的 5 个(例如 https://discuss.pixls.us/t/solved-could-not-load-the-qt-platform-plugin-xcb-in-even-though-it-was-found/17677 )，但没有一个解决方案有效。一切都安装好了。一切都是最新的。下面是输出。任何和所有的帮助将不胜感激

QFactoryLoader::QFactoryLoader() checking directory path "/home/my_user_name/anaconda3/plugins/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "/home/my_user_name/anaconda3/plugins/platforms/libqeglfs.so"
Found metadata in lib /home/my_user_name/anaconda3/plugins/platforms/libqeglfs.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "eglfs"
        ]
    },
    "className": "QEglFSIntegrationPlugin",
    "debug": false,
    "version": 329991
}


Got keys from plugin meta data ("eglfs")
QFactoryLoader::QFactoryLoader() looking at "/home/my_user_name/anaconda3/plugins/platforms/libqminimal.so"
Found metadata in lib /home/my_user_name/anaconda3/plugins/platforms/libqminimal.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimal"
        ]
    },
    "className": "QMinimalIntegrationPlugin",
    "debug": false,
    "version": 329991
}


Got keys from plugin meta data ("minimal")
QFactoryLoader::QFactoryLoader() looking at "/home/my_user_name/anaconda3/plugins/platforms/libqminimalegl.so"
Found metadata in lib /home/my_user_name/anaconda3/plugins/platforms/libqminimalegl.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "minimalegl"
        ]
    },
    "className": "QMinimalEglIntegrationPlugin",
    "debug": false,
    "version": 329991
}


Got keys from plugin meta data ("minimalegl")
QFactoryLoader::QFactoryLoader() looking at "/home/my_user_name/anaconda3/plugins/platforms/libqoffscreen.so"
Found metadata in lib /home/my_user_name/anaconda3/plugins/platforms/libqoffscreen.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "offscreen"
        ]
    },
    "className": "QOffscreenIntegrationPlugin",
    "debug": false,
    "version": 329991
}


Got keys from plugin meta data ("offscreen")
QFactoryLoader::QFactoryLoader() looking at "/home/my_user_name/anaconda3/plugins/platforms/libqvnc.so"
Found metadata in lib /home/my_user_name/anaconda3/plugins/platforms/libqvnc.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "vnc"
        ]
    },
    "className": "QVncIntegrationPlugin",
    "debug": false,
    "version": 329991
}


Got keys from plugin meta data ("vnc")
QFactoryLoader::QFactoryLoader() looking at "/home/my_user_name/anaconda3/plugins/platforms/libqxcb.so"
Found metadata in lib /home/my_user_name/anaconda3/plugins/platforms/libqxcb.so, metadata=
{
    "IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
    "MetaData": {
        "Keys": [
            "xcb"
        ]
    },
    "className": "QXcbIntegrationPlugin",
    "debug": false,
    "version": 329991
}


Got keys from plugin meta data ("xcb")
QFactoryLoader::QFactoryLoader() checking directory path "/home/my_user_name/anaconda3/bin/platforms" ...
Cannot load library /home/my_user_name/anaconda3/plugins/platforms/libqxcb.so: (/home/my_user_name/anaconda3/plugins/platforms/../../lib/libQt5XcbQpa.so.5: undefined symbol: _ZN11QFontEngine14bitmapForGlyphEj6QFixedRK10QTransform, version Qt_5_PRIVATE_API)
QLibraryPrivate::loadPlugin failed on "/home/my_user_name/anaconda3/plugins/platforms/libqxcb.so" : "Cannot load library /home/my_user_name/anaconda3/plugins/platforms/libqxcb.so: (/home/my_user_name/anaconda3/plugins/platforms/../../lib/libQt5XcbQpa.so.5: undefined symbol: _ZN11QFontEngine14bitmapForGlyphEj6QFixedRK10QTransform, version Qt_5_PRIVATE_API)"
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though it was found.
This application failed to start because no Qt platform plugin could be initialized. Reinstalling the application may fix this problem.

Available platform plugins are: eglfs, minimal, minimalegl, offscreen, vnc, xcb.

[1]    9588 IOT instruction (core dumped)  streamdeck

Answer 1

不确定这个特定的软件，但通常原因是 Qt 版本不兼容，例如 Qt 6 应用程序试图加载需要 Qt 5 的库，反之亦然，或者两个 Qt 版本的配置不同。