Re: [Evolution] Calendar backend error

[Matthew Saltzman <mjs clemson edu>]

On Mon, 2019-01-21 at 09:56 +0100, Milan Crha via evolution-list wrote:
> On Thu, 2019-01-17 at 21:57 +0000, Matthew Saltzman via evolution-
> list
> wrote:
> > How can I repair this issue?
>
>       Hi,
> either the local cache contains something what it should not (it's in
> ~/.cache/evolution/calendar/<ews-calendar-uid>/ ) or the server
> reported an item, which cannot be read for some reason. There had
> been
> some discussion about the later here, if I recall correctly.
>
> I guess your evolution-ews is 3.30.3, right? You did not mention
> version of the evolution itself, but it seems like 3.30.4, according
> to
> User-Agent header of your message. It does contain a change for:
> https://urldefense.proofpoint.com/v2/url?u=https-3A__gitlab.gnome.org_GNOME_evolution-2Dews_issues_2&d=DwICAg&c=Ngd-ta5yRYsqeUsEDgxhcqsYYY1Xs5ogLxWPA_2Wlc4&r=qn_zjvrROZAYvrhgG-We4w&m=YOo-W3qLyVueBxFH4BNMUyx3Dn0MbFEvO6uFg1ctg8Y&s=anQrHxSGGXn2ZLLfnk1kzhV99QAPr_8K3Z-jj6roXw4&e=
>
>       Bye,
>       Milan

Yes, it is evolution-ews 3.30.3. I ended up fixing it by deleting the
EWS account in the Online Accounts app and recreating it. The error
message no longer shows.

One interesting thing that may be related. I had one repeating
appointment on that calendar that kept replicating itself so that I
ended up with 10-20 copies of it. I'd delete the extra ones (or even
delete all of them and recreate it from scratch) and after some hours,
there would be several copies again. I could do that from any of four
different devices. After recreating the account, I have not had the
problem recur. 

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-- 
Matthew Saltzman
School of Mathematical and Statistical Sciences
Clemson University
mjs AT clemson DOT edu