Saros seems to be broken on linux

[lele92007]

Describe the bug
saros dosen't work at all in linux.
the buttons appear but won't do anything on click
when trying to open saros via the window button, saros throw an error Plug-in saros.eclipse was unable to load class saros.ui.views.SarosView.

To Reproduce
Steps to reproduce the behavior:

1. Install eclipse on linux
2. Install saros
3. Try to use saros, either via the "saros" menu or by opening a window for saros
4. the saros menu won't do anything, you will see the error in the window

Expected behavior
Saros should behave properly and should not send any error codes

Log files
https://gist.github.com/lele92007/1ec04424d72dba6938e83df73487267c

Environment (please complete the following information):

• Pop-OS 21.10
• EclipseIDE 21.09
• 15.0.0

Additional context
I installed saros via the eclipse marketplace

[XintongMa]

Does it work on windows for you? It show me same error on windows

[bsutton]

I can confirm that it isn't working on linux.

ubuntu 21.10
eclipse 2021-Dec.

The menus do nothing.
I'm not seeing any errors even in the Error Log view.

[srossbach]

#1142