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After upgrading to Ubuntu 13.10, which upgraded kdevelop to 4.5.1, I see the following error when I start kdevelop:

Could not start process Cannot talk to klauncher: The name org.kde.klauncher was not provided by any .service files.

This is followed by another error:

Unable to load the project file /home/drew/foo/some-project.kdev4

The filesystem panel is not populated:

...and the File Open dialog shows no files or folders:

Under Ubuntu 13.04, I'd upgraded to a newer version of kdevelop than the default repositories has (4.3.x I believe) and I had to run kdevelop as root in order to make it work correctly. Is it possible that a file was created as the root user, which now causes this problem? I don't know where else to look.

2 Answers 2

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When previously running KDevelop as root, many files in ~/.kde and ~/.kdevduchain were owned by root:

find ~/.kde* -user root

I got this working by:

  • deleting the contents of ~/.kdevduchain
  • recursively chown/chgrping entries in ~/.kde that were owned by root

After that last step I noticed that there were a bunch of links in that folder, so I'm not sure it's necessary or even a good idea to do that.

I also uninstalled/reinstalled kdevelop, though this might not be necessary.

Now at least, kdevelop is working.

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Fixed:

chown -R "$USER:" ~/.kde

Others such as ~/.config may need it as well.

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