[Mailman-Users] UnpicklingError: bad pickle data

[Clément Février]

On 11/13/2016 08:42 AM, Mark Sapiro wrote:
> It means the lists/staff/request.pck file is corrupt. This file holds
> information about the outstanding moderator requests for the list.
> 
> If you just remove the file, it will be recreated in an initialized
> state, but you will lose any outstanding requests. These could be held
> messages, subscriptions or unsubscriptions.
> 
> If you have a backup that's not corrupt, you could restore it, but if it
> contains requests that have already been handled, that could be a problem.
> 
> If you aren't concerned about held (un)subscription requests, you could
> see if there are any data/heldmsg-staff-*.pck files. If not, there are
> no held messages for the staff list. If so, you can still delete the
> corrupt lists/staff/request.pck file and use the script at
> <https://www.msapiro.net/scripts/hold_again> (mirrored at
> <https://fog.ccsf.edu/~msapiro/scripts/hold_again>) to reprocess those
> messages.

Great answer! It seems I have this corrupted file for a while since I
don't have a uncorrupted backuped of this file. I had no
(un)subscription and the couple of messages were spams, so I just
removed the request.pck.


Thank you a lot for your answer!
Clément