qt.qpa.plugin:无法加载" "中的Qt平台"xcb"插件,即使找到它也是如此。流行操作系统 21.10 侏儒 V40.4.0



似乎有很多类似的问题。我在StackOverflow上查看了其中的5个,在其他地方查看了一些(例如。https://discuss.pixls.us/t/solved-could-not-load-the-qt-platform-plugin-xcb-in-even-though-it-was-found/17677)但这些解决方案都不起作用。所有东西都安装好了。一切都是最新的。以下是输出。任何和所有的帮助都将不胜感激

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

尝试在shell中执行以下操作:

export LD_LIBRARY_PATH=/home/<your_user_name>/anaconda3/lib:${LD_LIBRARY_PATH}

这为Anconda安装用于查找共享库的位置做了准备。

在同一个shell中启动应用程序。

不确定这个特定的软件,但通常原因是不兼容的Qt版本,比如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。

我遇到了类似的问题,并通过安装以下模块解决了这个问题:

sudo apt-get安装libxcb-xinerama0

我通过执行sudo apt install qt6-base-dev

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