Subject: Unexpected change to folder ... Try Restarting

From: Chuck McIntyre <[email-masked]>
Date: Mon, 7 Feb 2000 19:42:52 -0800 (PST)

Greetings,

I'm running Pine 4.21 (recently upgraded from 3.95) on a NeXT running
NextStep. One of our servers is running as the shell machine and another
is actually housing the users directories. 

The error is occoring on the shell machine which mounts the home
directories via NFS. The error I'm getting is "Unexpected change to
mailbox (try restarting):" followed by "MAIL FOLDER INBOX CLOSED DUE TO
ACCESS ERROR" 

This error occurs when new mail is received - so I'm assuming it's akin
the problems previously discussed on this list.

Is there a fix, or do I just have to bite the bullet and deal with it? 

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From: [email-masked]
Date: Mon, 7 Feb 2000 22:57:51 -0800 (PST)

>Is there a fix, or do I just have to bite the bullet and deal with it? 

Do you have multiple clients trying to access the same mailbox with
POP?  I think I've seen this error when doing that.

If you can, set up an IMAP server.  At least for me, as a user, mail 
is much less likely to be messed up, and I don't have to worry about 
accessing it from multiple machines, with IMAP.

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From: Chuck McIntyre <[email-masked]>
Date: Mon, 7 Feb 2000 23:46:43 -0800 (PST)

On Mon, 7 Feb 2000 [email-masked] wrote:

Mek> >The error is occoring on the shell machine which mounts the home
Mek> >directories via NFS. The error I'm getting is "Unexpected change to
Mek> >mailbox (try restarting):" followed by "MAIL FOLDER INBOX CLOSED DUE TO
Mek> >ACCESS ERROR" 

Ma> Do you have multiple clients trying to access the same mailbox with
Ma> POP?  I think I've seen this error when doing that.

No. The problem is when sendmail tries to access the same mailbox as a
user is currently reading. This only happens on the machine in which the
mail directory (in this case /usr/spool/mail) is actually an NFS
directory. I think it's a lockfile problem, but for some reason it doesn't
happen in pine 3.95. 

I tried quelling lockfile error messages, but it doesn't seem to have
resolved the issue.

> accessing it from multiple machines, with IMAP.

I'll look into that, but I don't think it'll work with our setup
(especially considering NextStep is 10 years old).

Thanks, any other advice? :)
Chuck

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From: [email-masked]
Date: Tue, 8 Feb 2000 10:32:24 -0800 (PST)

>(especially considering NextStep is 10 years old).

If you have a C compiler, what does it matter how old the machine is?
It only matters if it'll run at an acceptable speed for you.