I recently upgraded to ubuntu 18.04 and using collab client v11.0.11000. When using the client GUI, when adding a new repo, it hangs after clicking on the "Add" Button.
Please try upgrading Collaborator client, as well. You can get its latest installation package from our website.
I'm having the same issue. It also freezes when going to File -> Preferences. Were you able to fix your problem? (Using Ubuntu 18.04 and Collaborator Version 11.3.11301.5)
There is a known issue with the GTK+ 3.22 or later. The GUI client freezes due to the fact that the Collaborator client cannot reliably work with this version of GTK+. There is a workaround (rolling back to GTK+ 2), so I suggest that you apply it in your environment and check how it works. Follow the steps below:
1. Open the ccollabgui shell script in a text editor.
2. Add the export SWT_GTK3=0 statement to the beginning of the script like this:
3. Save your changes, run the GUI client and check how it works.
Alternatively, you can just run the GUI client in your terminal like this: