Jan de Visser ran into problems with our XA implementation earlier, and
traced the problem to the sequence of XADataSource method calls that
WebLogic performed. He fixed it with a simple patch that allows
start(.., TMJOIN) on a transaction that was ended earlier using the same
connection:

http://archives.postgresql.org/pgsql...2/msg00038.php

It puzzles me why WebLogic does that, but it seems valid and we should
support it, even though we can't support join in general.

Here's a more polished version of Jan's patch. I don't have WebLogic to
test this with, so I would appreciate if those that have access to
WebLogic could reproduce the original problem and confirm that this
patch fixes it.

--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com


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