User does not receive appropriate feedback when invoking an invalid public share link

[tschiebel]

Steps to reproduce

Steps to reproduce the behavior:

• URL of a deleted share link (e.g. https://xxx.de) is accessed.

Expected behavior

Since the link is invalid, a message should come relatively quickly (after 60s at the latest) that the link may no longer be valid.

Actual behavior

the window visible in the screenshot stays for minutes (I stopped looking at some point) and the small loading icon in this window rotates.

Additional context

Context to understand the problem

Note

I just increased the priority a bit, because I'm not sure if this window is only running in the client or if some background process could also affect the server with it, because then a simultaneous call of this URL (e.g. all members of the instance family click on a link because it leads to the current issue of the instance newspaper) could become a problem.

[ScharfViktor]

TODO after fixing change -> do a good checking e2e test https://github.com/owncloud/web/blob/master/tests/e2e/cucumber/steps/ui/public.ts#L133-L137

[micbar]

@kulmann @JammingBen

[JammingBen]

@tbsbdr @kulmann Do you have a suggestion what to display to the user in such case?

[JammingBen]

Fixed via #9006.