Fix bug in Shared.DC.ZRDB.TM that may hide a critical error.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@26949 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/ZopePatch.py

@@ -22,6 +22,7 @@
 # Load all monkey patches
 from Products.ERP5Type.patches import ObjectManager
 from Products.ERP5Type.patches import PropertyManager
+from Products.ERP5Type.patches import TM
 from Products.ERP5Type.patches import DA
 from Products.ERP5Type.patches import DCWorkflow
 from Products.ERP5Type.patches import BTreeFolder2

product/ERP5Type/patches/TM.py

+##############################################################################
+#
+# Copyright (c) 2001 Zope Corporation and Contributors. All Rights Reserved.
+# Copyright (c) 2009 Nexedi SARL and Contributors. All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.0 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+
+import transaction
+from Shared.DC.ZRDB.TM import TM, Surrogate
+
+
+# ZPublisher error path can aggravate error:
+#   https://bugs.launchpad.net/bugs/229863
+
+def TM__register(self):
+    if not self._registered:
+        #try:
+            transaction.get().register(Surrogate(self))
+            self._begin()
+            self._registered = 1
+            self._finalize = 0
+        #except: pass
+
+TM._register = TM__register