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Mac Forum / Applications / Eudora / October 2006



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TOC Glitch=Empty Inbox

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Jeff Blanks - 26 Oct 2006 01:46 GMT
My copy of Eudora 6.2.3 under OS X 10.2 crashed on me Monday night when
downloading messages.  I restarted, and I could tell that Eudora was trying to
rebuild the table of contents, which the log confirms as below (these didn't
appear as error messages).  

Tue Oct 24 01:17:30 2006
MAIN 524296:0.54.41 Trash file size mismatch; #1 != 338843
MAIN 524296:0.0.0 Rebuilding table of contents for Trash

Tue Oct 24 01:18:09 2006
MAIN 524296:0.39.19 Rebuilding table of contents for In

But when the Inbox finally appeared, there was nothing in it.  (Everything else
looks fine, including the Outbox.)  The info line at the top of the preview
window reported the number of messages as before (something like 25K), but when
I clicked on it for I dunno why, it changed to 0.  I can't find anything like a
.toc icon in 6.2.3.  So the Inbox appears, but I can't reach something like
seven years worth of messages (most of which I have no need for--I just save
them because I'm a packrat--but a few of which had information of some value in
them).  Yeah, yeah, I know--*back up*.  Am I just out of luck?  Would trashing
the .toc file (assuming I can find it) work?  Thanks in advance.

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Klaus Hereth - 26 Oct 2006 10:48 GMT
> But when the Inbox finally appeared, there was nothing in it.
> (Everything else looks fine, including the Outbox.)  The info line at the
> top of the preview window reported the number of messages as before
> (something like 25K), but when I clicked on it for I dunno why, it
> changed to 0.  

Well, that's it then, I'm afraid. Double-clicking the number in the
status
bar optimises the Inbox and gets rid of messages that may not be visible
but are still being held there.

>I can't find anything like a .toc icon in 6.2.3.  So the Inbox appears,
>but I can't reach something like seven years worth of messages

Seven years' worth? Seven years'?

>(most of which I have no need for--

OK, no loss then.

>Yeah, yeah, I know--*back up*.

That's what I call "learning the hard way". As such a long-term user of
Eudora you should have come across the fact that the Inbox and Outbox
are
being loaded into the RAM of your Mac and should not be allowed to grow
above maybe 200 messages. In case of a crash I have seen Inboxes with
thousands of messages going up in smoke.

Simply moving read messages to other mailboxes (eg "Read 2006") saves
them
from dissappearing in case of a crash - usually only the In- and Outbox
are
affected.

To put it straight: no backup, no restore.

Kind regards,

Klaus

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Klaus Hereth, München

Hauke Fath - 26 Oct 2006 11:56 GMT
> That's what I call "learning the hard way". As such a long-term user of
> Eudora you should have come across the fact that the Inbox and Outbox
> are being loaded into the RAM of your Mac and should not be allowed to
> grow above maybe 200 messages.

??? That's ridiculous, FUD, or both.

>In case of a crash I have seen Inboxes with
> thousands of messages going up in smoke.

While I won't dispute backups are important, crashing Eudora has
occasionally harmed the settings file for me (which is why it keeps a
backup), but never a mailbox. The indexes are a different issue.

When crashing Eudora destroys mailbox files, your system has other
problems beside Eudora.

               hauke (Eudora user since 1992)

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Bill Cole - 28 Oct 2006 04:46 GMT
> > That's what I call "learning the hard way". As such a long-term user of
> > Eudora you should have come across the fact that the Inbox and Outbox
> > are being loaded into the RAM of your Mac and should not be allowed to
> > grow above maybe 200 messages.
>
> ??? That's ridiculous, FUD, or both.

Ridiculous it may be, but it has been approximately true of Eudora since
v2, and back in more memory-starved times would cause a warning dialog.
I say "approximately" because what is loaded is the TOC's,  not the
whole mailboxes, and it is loaded into memory, which is not always RAM
(even on System 7, there was a VM system.)

On MacOS X memory management is very different from earlier systems, and
RAM sizes have grown hugely, so loading all that isn't as big a deal and
Eudora does not scold you for large open mailboxes any more because it
can just keep loading the TOC's into the heap and mmapping the data a
very long time without running out of space, and it looks to me like
that is what it does.

> >In case of a crash I have seen Inboxes with
> > thousands of messages going up in smoke.
[quoted text clipped - 5 lines]
> When crashing Eudora destroys mailbox files, your system has other
> problems beside Eudora.

You missed the key piece of the catastrophe description:

   The info line at the top of the preview window reported the
   number of messages as before (something like 25K), but when
   I clicked on it for I dunno why, it changed to 0.

That is the key to what ate the messages. That "info line" is more
correctly called the "compaction button." It's function is to remove
message data not in the TOC, and write out a fresh mailbox file with
just the remaining indexed messages.

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Hauke Fath - 26 Oct 2006 11:59 GMT
> Tue Oct 24 01:17:30 2006
> MAIN 524296:0.54.41 Trash file size mismatch; #1 != 338843
[quoted text clipped - 4 lines]
>
> But when the Inbox finally appeared, there was nothing in it.

[I assume this is a pop3 setup?]

What does the Finder tell you about the size of the Inbox?

When you open the Inbox with an editor (BBedit, Alpha, Emacs, whatever),
what do you see?

       hauke

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