[Bug 862675] Re: Changes to a list (subscribe, unsubscribe, etc.) can be lost.

[Mark Sapiro]

The committed fix will fix this bug for systems in which the mailman
installation is all on a single server.

For installations with multiple servers accessing Mailman via a shared
file system, there can still be manifestations of this bug if there is
time skew across the servers.

A complete fix would add another Defaults.py/mm_cfg.py setting such as

# Maximum time skew in seconds between servers in a shared file system environment.
# Set to 0 if the Mailman file system is on a single server.
SERVER_MAX_TIME_SKEW = 0

and changing line 611 of Mailman/MailList.py from

            if mtime < self.__timestamp:

to

            if mtime + mm_cfg.SERVER_MAX_TIME_SKEW < self.__timestamp:


** Changed in: mailman
       Status: New => Fix Committed

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https://bugs.launchpad.net/bugs/862675

Title:
  Changes to a list (subscribe, unsubscribe, etc.) can be lost.

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