在使用 VS code 调试Linux远程代码时报错,
could not find or load the Qt platform plugin "xcb"
,本文记录解决方案。
This application failed to start because it could not find or load the Qt platform plugin "xcb".
Available platform plugins are: linuxfb, minimal, offscreen, xcb.
Reinstalling the application may fix this problem.
总之就是Qt依赖的或间接依赖的库在系统路径下找不到了
export QT_DEBUG_PLUGINS=1
LD_LIBRARY_PATH
路径ldd <库名称>
由于库特别多,可能我们出问题的库不尽相同,但是思路是类似的,我以我面临的问题为例记录解决方案
Got keys from plugin meta data ("xcb")
QFactoryLoader::QFactoryLoader() checking directory path "/root/anaconda3/bin/platforms" ...
Cannot load library /root/anaconda3/plugins/platforms/libqxcb.so: (libXi.so.6: cannot open shared object file: No such file or directory)
QLibraryPrivate::loadPlugin failed on "/root/anaconda3/plugins/platforms/libqxcb.so" : "Cannot load library /root/anaconda3/plugins/platforms/libqxcb.so: (libXi.so.6: cannot open shared object file: No such file or directory)"
/root/anaconda3/plugins/platforms/libqxcb.so
依赖的 libXi.so.6
有问题libqxcb.so
面前,查看他依赖库的情况::~/anaconda3/plugins/platforms# ldd libqxcb.so
linux-vdso.so.1 (0x00007ffcbc9aa000)
libQt5XcbQpa.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5XcbQpa.so.5 (0x00007fe8eac1c000)
libQt5DBus.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5DBus.so.5 (0x00007fe8eabbc000)
libgthread-2.0.so.0 => /root/anaconda3/plugins/platforms/./../../lib/libgthread-2.0.so.0 (0x00007fe8eabb7000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007fe8eaba5000)
libglib-2.0.so.0 => /root/anaconda3/plugins/platforms/./../../lib/libglib-2.0.so.0 (0x00007fe8eaa70000)
libfontconfig.so.1 => /root/anaconda3/plugins/platforms/./../../lib/libfontconfig.so.1 (0x00007fe8eaa28000)
libfreetype.so.6 => /root/anaconda3/plugins/platforms/./../../lib/libfreetype.so.6 (0x00007fe8ea973000)
libQt5Gui.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5Gui.so.5 (0x00007fe8ea5a7000)
libQt5Core.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5Core.so.5 (0x00007fe8ea190000)
libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007fe8ea108000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007fe8ea0e5000)
libX11-xcb.so.1 => /lib/x86_64-linux-gnu/libX11-xcb.so.1 (0x00007fe8ea0de000)
libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007fe8e9fa1000)
libXi.so.6 => not found
libxcb.so.1 => /root/anaconda3/plugins/platforms/./../../lib/libxcb.so.1 (0x00007fe8e9f75000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007fe8e9f6f000)
libstdc++.so.6 => /root/anaconda3/plugins/platforms/./../../lib/libstdc++.so.6 (0x00007fe8e9dfb000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007fe8e9caa000)
libgcc_s.so.1 => /root/anaconda3/plugins/platforms/./../../lib/libgcc_s.so.1 (0x00007fe8e9c96000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007fe8e9aa4000)
libXi.so.6 => not found
libdbus-1.so.3 => /root/anaconda3/plugins/platforms/./../../lib/./libdbus-1.so.3 (0x00007fe8e9a4f000)
libpcre.so.1 => /root/anaconda3/plugins/platforms/./../../lib/./libpcre.so.1 (0x00007fe8e9a06000)
libxml2.so.2 => /root/anaconda3/plugins/platforms/./../../lib/./libxml2.so.2 (0x00007fe8e989f000)
libuuid.so.1 => /root/anaconda3/plugins/platforms/./../../lib/./libuuid.so.1 (0x00007fe8e969b000)
libz.so.1 => /root/anaconda3/plugins/platforms/./../../lib/./libz.so.1 (0x00007fe8e967b000)
libpng16.so.16 => /root/anaconda3/plugins/platforms/./../../lib/./libpng16.so.16 (0x00007fe8e9642000)
libicui18n.so.58 => /root/anaconda3/plugins/platforms/./../../lib/./libicui18n.so.58 (0x00007fe8e93c1000)
libicuuc.so.58 => /root/anaconda3/plugins/platforms/./../../lib/./libicuuc.so.58 (0x00007fe8e920e000)
libicudata.so.58 => /root/anaconda3/plugins/platforms/./../../lib/./libicudata.so.58 (0x00007fe8e790c000)
/lib64/ld-linux-x86-64.so.2 (0x00007fe8ead12000)
libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007fe8e7854000)
libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007fe8e7820000)
libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007fe8e7818000)
liblzma.so.5 => /root/anaconda3/plugins/platforms/./../../lib/././liblzma.so.5 (0x00007fe8e77ef000)
libXi.so.6
没有找到,他本质上指向 libXi.so.6.1.0
libXi.so.6.1.0
放在了 /usr/lib/x86_64-linux-gnu/
中,并建立软连接 libXi.so.6
:/usr/lib/x86_64-linux-gnu# ls -al libXi*
lrwxrwxrwx 1 root root 14 Nov 11 17:29 libXi.so.6 -> libXi.so.6.1.0
-rw-r--r-- 1 1002 1002 63944 Nov 11 17:27 libXi.so.6.1.0
libqxcb.so
的依赖库:~/anaconda3/plugins/platforms# ldd libqxcb.so
linux-vdso.so.1 (0x00007ffdf59b6000)
libQt5XcbQpa.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5XcbQpa.so.5 (0x00007f1aeabc7000)
libQt5DBus.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5DBus.so.5 (0x00007f1aeab67000)
libgthread-2.0.so.0 => /root/anaconda3/plugins/platforms/./../../lib/libgthread-2.0.so.0 (0x00007f1aeab62000)
librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f1aeab50000)
libglib-2.0.so.0 => /root/anaconda3/plugins/platforms/./../../lib/libglib-2.0.so.0 (0x00007f1aeaa1b000)
libfontconfig.so.1 => /root/anaconda3/plugins/platforms/./../../lib/libfontconfig.so.1 (0x00007f1aea9d3000)
libfreetype.so.6 => /root/anaconda3/plugins/platforms/./../../lib/libfreetype.so.6 (0x00007f1aea91e000)
libQt5Gui.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5Gui.so.5 (0x00007f1aea552000)
libQt5Core.so.5 => /root/anaconda3/plugins/platforms/./../../lib/libQt5Core.so.5 (0x00007f1aea13b000)
libGL.so.1 => /lib/x86_64-linux-gnu/libGL.so.1 (0x00007f1aea0b3000)
libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f1aea090000)
libX11-xcb.so.1 => /lib/x86_64-linux-gnu/libX11-xcb.so.1 (0x00007f1aea089000)
libX11.so.6 => /lib/x86_64-linux-gnu/libX11.so.6 (0x00007f1ae9f4c000)
libXi.so.6 => /lib/x86_64-linux-gnu/libXi.so.6 (0x00007f1ae9d3c000)
libxcb.so.1 => /root/anaconda3/plugins/platforms/./../../lib/libxcb.so.1 (0x00007f1ae9d10000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1ae9d0a000)
libstdc++.so.6 => /root/anaconda3/plugins/platforms/./../../lib/libstdc++.so.6 (0x00007f1ae9b96000)
libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f1ae9a45000)
libgcc_s.so.1 => /root/anaconda3/plugins/platforms/./../../lib/libgcc_s.so.1 (0x00007f1ae9a31000)
libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1ae983f000)
libdbus-1.so.3 => /root/anaconda3/plugins/platforms/./../../lib/./libdbus-1.so.3 (0x00007f1ae97ea000)
libpcre.so.1 => /root/anaconda3/plugins/platforms/./../../lib/./libpcre.so.1 (0x00007f1ae97a3000)
libxml2.so.2 => /root/anaconda3/plugins/platforms/./../../lib/./libxml2.so.2 (0x00007f1ae963a000)
libuuid.so.1 => /root/anaconda3/plugins/platforms/./../../lib/./libuuid.so.1 (0x00007f1ae9436000)
libz.so.1 => /root/anaconda3/plugins/platforms/./../../lib/./libz.so.1 (0x00007f1ae9416000)
libpng16.so.16 => /root/anaconda3/plugins/platforms/./../../lib/./libpng16.so.16 (0x00007f1ae93dd000)
libicui18n.so.58 => /root/anaconda3/plugins/platforms/./../../lib/./libicui18n.so.58 (0x00007f1ae915e000)
libicuuc.so.58 => /root/anaconda3/plugins/platforms/./../../lib/./libicuuc.so.58 (0x00007f1ae8fa9000)
libicudata.so.58 => /root/anaconda3/plugins/platforms/./../../lib/./libicudata.so.58 (0x00007f1ae76a7000)
/lib64/ld-linux-x86-64.so.2 (0x00007f1aeacbd000)
libGLdispatch.so.0 => /lib/x86_64-linux-gnu/libGLdispatch.so.0 (0x00007f1ae75ef000)
libGLX.so.0 => /lib/x86_64-linux-gnu/libGLX.so.0 (0x00007f1ae75bb000)
libXext.so.6 => /lib/x86_64-linux-gnu/libXext.so.6 (0x00007f1ae75a6000)
libXau.so.6 => /lib/x86_64-linux-gnu/libXau.so.6 (0x00007f1ae759e000)
liblzma.so.5 => /root/anaconda3/plugins/platforms/./../../lib/././liblzma.so.5 (0x00007f1ae7575000)
libXi.so.6
不再是 not found
的状态了