Dennis Allison wrote at 2006-1-16 17:37 -0800:
...
What's the recommend approach to re-establish the connection?
You reopen the connection (usually the db object has all necessary
information) and then raise an exception derived from
ZODB.POSException.ConflictError (in order to let your request
After some investigation, this appears to be a mysql bug or brain-dead
semantics for mysql_ping.
See http://lists.mysql.com/mysql/190441 and
http://bugs.mysql.com/bug.php?id=14057
http://bugs.mysql.com/bug.php?id=2845
Dieter Mauer suggests the right thing is to catch the exception and then
I have been seeing occasional release unlocked lock errors from a
storage error in a two-phase commit which really comes from a Lost
connection to MySQL server during query. Apparently this arises from
a failure of self.db.ping() to find a connected database as the
transaction is opened.
It
