Race condition with summary modification screen

Bug #265830 reported by Dmshaw
2
Affects Status Importance Assigned to Milestone
GNU Mailman
New
High
Unassigned

Bug Description

I just upgraded to 2.1 and noticed an interesting race
condition with
the summary version of the moderation page.

Take this timeline:

 1) <email address hidden> sends 3 messages to the list
 2) moderator visits summary moderation page and sees
the 3 messages
 3) <email address hidden> sends another message to the list
 4) moderator clicks "discard" and submits

The end result is that Mailman discards 4 messages,
including the
latest one that the moderator did not get to see.

This does not happen with the old-style "details"
version of the
moderation page.

[http://sourceforge.net/tracker/index.php?func=detail&aid=662127&group_id=103&atid=100103]

Tags: web-cgi
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