我有一个使用 Qt5(通过 PyQt)运行的应用程序。我正在使用 miniconda,python 代码已经过 cythonized。该代码是在我的本地机器上设置的,从原始.py
文件生成的 cython 代码以及安装在 miniconda 中的相关库和模块,以便代码成功运行。然后我将所有内容都发送到另一台机器上,编译 cython 代码以提供.so
文件并尝试运行它。此时我得到错误:
This application failed to start because it could not find or load the Qt platform plugin "xcb"
in "".
Reinstalling the application may fix this problem.
Aborted (core dumped)
我已经四处寻找可能的解决方案很长时间了,我有以下额外信息:
我已经检查了各种.so
文件的 ldd 。似乎都找到了所需的库。
我已经尝试过locate libqxcb.so
,这会返回:
~/miniconda3/pkgs/qt-5.6.2-3/plugins/platforms/libqxcb.so
&
~/miniconda3/plugins/platforms/libqxcb.so
根据 TranslucentCloud 的建议,我已将其复制到目录~/miniconda3/bin/platforms
(新创建的)。
我还包含export QT_DEBUG_PLUGINS=1
在调用我的代码的脚本中。这给出了以下输出:
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/platforms" ...
QFactoryLoader::QFactoryLoader() looking at "~/miniconda3/bin/platforms/libqxcb.so"
Found metadata in lib ~/miniconda3/bin/platforms/libqxcb.so, metadata=
{
"IID": "org.qt-project.Qt.QPA.QPlatformIntegrationFactoryInterface.5.3",
"MetaData": {
"Keys": [
"xcb"
]
},
"className": "QXcbIntegrationPlugin",
"debug": false,
"version": 329218
}
Got keys from plugin meta data ("xcb")
loaded library "~/miniconda3/bin/platforms/libqxcb.so"
xkbcommon: ERROR: failed to add default include path ~/Programmes/miniconda3/lib
Qt: Failed to create XKB context!
Use QT_XKB_CONFIG_ROOT environmental variable to provide an additional search path, add ':' as separator to provide several search paths and/or make sure that XKB configuration data directory contains recent enough contents, to update please see http://cgit.freedesktop.org/xkeyboard-config/ .
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/xcbglintegrations" ...
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/platformthemes" ...
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/platforminputcontexts" ...
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/styles" ...
Fontconfig error: Cannot load default config file
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/accessible" ...
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/accessiblebridge" ...
QXcbConnection: XCB error: 145 (Unknown), sequence: 165, resource id: 0, major code: 139 (Unknown), minor code: 20
QFactoryLoader::QFactoryLoader() checking directory path "~/miniconda3/bin/imageformats" ...
QLibraryPrivate::unload succeeded on "~/miniconda3/bin/platforms/libqxcb.so"
GUI 现在加载和按钮等工作。但是,仍然存在一些问题 - 小问题是所有字体都与我的本地机器不同(不是主要问题,但可能表明它仍然没有找到一些相关的库)。
更严重的是,GUI 不响应任何按键 - GUI 有很多文本框要填写,所以这使它无法使用。
显然,上面的输出中仍然存在一些错误,但是,尚不清楚哪些库等仍然无法找到(或为什么会这样)。