The _v_mount_point_ attribute is not needed after all.

src/ZODB/Connection.py

@@ -13,7 +13,7 @@
 ##############################################################################
 """Database connection support
 
-$Id: Connection.py,v 1.84 2003/01/21 21:02:28 bwarsaw Exp $"""
+$Id: Connection.py,v 1.85 2003/02/06 20:31:17 shane Exp $"""
 
 from cPickleCache import PickleCache
 from POSException import ConflictError, ReadConflictError
@@ -393,7 +393,11 @@ class Connection(ExportImport.ExportImport):
             seek(0)
             clear_memo()
             dump((klass,args))
+            try:
                 dump(state)
+            except:
+                import pdb; pdb.set_trace()
+                raise
             p=file(1)
             s=dbstore(oid,serial,p,version,transaction)
             self._store_count = self._store_count + 1

src/ZODB/Mount.py

@@ -13,8 +13,8 @@
 ##############################################################################
 """Mounted database support
 
-$Id: Mount.py,v 1.18 2003/02/05 19:45:02 shane Exp $"""
-__version__='$Revision: 1.18 $'[11:-2]
+$Id: Mount.py,v 1.19 2003/02/06 20:31:17 shane Exp $"""
+__version__='$Revision: 1.19 $'[11:-2]
 
 import thread, Persistence, Acquisition
 from Acquisition import aq_base
@@ -155,7 +155,6 @@ class MountPoint(Persistence.Persistent, Acquisition.Implicit):
         data = aq_base(obj)
         # Store the data object in a tuple to hide from acquisition.
         self._v_data = (data,)
-        data._v_mount_point_ = (aq_base(self),)
         return data
 
     def _getOrOpenObject(self, parent):