And here we go again... - also with qdbusviewer, and also on 18.04
Previous workaround stopped working.
After some digging it looks that qtchooser is looking into wrong Qt dir
(qt4 instead of qt5)
Some other people reported that
apt install qt5-default
may help - but I did not check this
Problem still exist in kubuntu 22.04 as of 21/11/25
qttools5-dev-tools is the package that provides the applications
apt tells the user this
user@kde-test-system:~$ qdbusviewe
Command 'qdbusviewe' not found, did you mean:
command 'qdbusviewer' from deb qtchooser (66-2build1)
Try: sudo apt
It's 2021, and this issue still exists.
In my case with qdbus command, installing and re-installing qt5-default does
not help.
The solution of @yatsek worked:
qdbus: could not find a Qt installation of ''
$ sudo apt-get install apt-file
$ sudo apt-file update
$ apt-file search
Because this is top post being shown in Google search for problems with
qdbusviewer and they persist also on 18.04 here is the solution:
1. Find an error message. In my case (even after installing default):
qdbusviewer: could not exec '/usr/lib/qt5/bin/qdbusviewer': No such
file or directory
> Maybe this package could be added as a dependency in newer releases?
We would like to make Qt 5 default, but unfortunately this will break
lots of legacy Qt 4 code. So we cannot do that soon, maybe in future...
> There is also perhaps an upstream bug where qtchooser could try the
"other" qt
The solution is indeed to install the qt5-default package.
Maybe this package could be added as a dependency in newer releases?
There is also perhaps an upstream bug where qtchooser could try the
"other" qt version if one fails. (I had installed qdbus5, and qtchooser
was trying qdbus4, which was
Same problem on Ubuntu 17.10, I think it's a bug.
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https://bugs.launchpad.net/bugs/1251178
Title:
qdbus and qdbusviewer crash with "No such file or
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