#47 new
Thomas Hanke

Local messages can't be found, crash on trying

Reported by Thomas Hanke | February 17th, 2011 @ 11:52 AM

[newest version 1902]

I'm not sure it's a proper bug or due to my deleting the messages a month ago manually (which I did as far as I remember. Mh, still a bug I guess). In the latter case the database can/could be corrupted by manually deleting messages.

I also sent a crash report on that some minutes ago.
Just found out how to crash can be reproduced.

So, I get "Local messages no longer supported" every launch.
'Copy messages' does not work: 'Failed', 'no such file' [ok, if the files are non-existent] The crash happens when I click 'delete the files'.
Ignoring by 'remind me later' works okay.

Just tell me what I should delete or check, and I'll do it. Obviously, I prefer some solution which does not involve downloading all messages again.

Comments and changes to this ticket

  • benny

    benny February 17th, 2011 @ 02:16 PM

    • State changed from “new” to “accepted”

    I'll do what I can to help you via private email.

    For the record: MailMate does not like when messages are removed behind
    its back. It could be more forgiving in this regard, but it is a tricky
    problem. When MailMate receives a message it keeps a copy of it and puts
    all the headers in a separate custom “database” for fast searching.
    When the message is deleted, it needs the message again in order to know
    which headers need to be deleted. The only alternative is to scan
    through (and thus loading) all headers in the database. This would be
    very inefficient, but this is of course what MailMate could offer to do
    when this situation arises. But the problem could arise in other cases
    than when deleting a message, e.g., if trying to view a message which
    has been deleted on disk (leads to a crash as well).

    Maybe the best solution would be for MailMate to do the slow scanning of
    the database (after warning about the problem) and then create a fake
    message on disk which can then be deleted, viewed, or whatever triggered
    the request for the message. I'll put that on the todo.

    I'll keep this ticket open until the above has been implemented.


  • Thomas Hanke

    Thomas Hanke February 17th, 2011 @ 08:17 PM

    Hi Benny,

    sorry: for my problem at hand, Time Machine's the solution, of course.

    I just took a guess when I deleted the folder 'Local' (only two days off), copied it back, and voilà!
    Now there's only 1 message left in the 'Local/imported' sub-folder. I guess I'm save to delete it.

    I understand the database issue - well, well enough, at least.
    It's just never occurred to me since I haven't got any feedback on missing files in the last 4 weeks. I guess that means that MM never checks for the presence of 'Local' files. Anyway, they're gone now.

    I don't use it - TM - very often, so it took some time to remember it. +1 point for separate small email files, of course.

    Kind of related personal insight: I learned, well realized (again?), today that .noindex can be used to exclude Spotlight.


  • benny

    benny October 9th, 2013 @ 07:02 AM

    • State changed from “accepted” to “closed”

    (Cleaning up old tickets.)

    Situations like these should now trigger MailMate to ask to rebuild the database. (It is still not allowed to remove messages behind MailMate's back, but I think that is a fair requirement.)

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