[Zope] CoreSession Urgent !!!

michael kobald michael@beehive.de
Thu, 25 Oct 2001 16:26:01 +0200

i am have a big Problem with CoreSession 0.9 (Zope 2.3.3 Win2000 Server).
I have 2 Session Data Mangers (dieter and session_mgr).
I i want call the getSessionData() of them both method in 1 Transaction. Via
calling foo3
I get the error msgs below.
I need to call both Data Mangers in 1 Transaction !

By the way: Zope 2.4.2 hangs for the rest of his live after the 2. calling
of foo3

Please Help


def a(self):
    data = self.dieter.getSessionData()
    data.set('dfd', 'dsd')
    return None
 def b(self):
    data2 = self.session_mgr.getSessionData()
    return None

 def foo3(self, REQUEST):
    #return "dgffdg"
    c = self.a()
    d= self.b()
    #data = self.session_mgr.getSessionData()
    return "huhuh"

First Call

        Error Type: error
      Error Value: release unlocked lock

Traceback (innermost last):
  File E:\Beehive\TeDeLine\lib\python\ZPublisher\Publish.py, line 223, in
  File E:\Beehive\TeDeLine\lib\python\ZPublisher\Publish.py, line 187, in
  File E:\Beehive\TeDeLine\lib\python\Zope\__init__.py, line 221, in
    (Object: Traversable)
  File E:\Beehive\TeDeLine\lib\python\ZPublisher\Publish.py, line 175, in
  File E:\Beehive\TeDeLine\lib\python\Zope\__init__.py, line 235, in commit
  File E:\Beehive\TeDeLine\lib\python\ZODB\Transaction.py, line 335, in
  File E:\Beehive\TeDeLine\lib\python\ZODB\Connection.py, line 657, in
  File E:\Beehive\TeDeLine\lib\python\ZODB\BaseStorage.py, line 219, in
    (Object: SessionStorage)
error: (see above)
Second Call:
Error Type: TransactionErrorError Value: A serious error, which was probably
a system error, occurred in a previous database transaction. This
application may be in an invalid state and must be restarted before database
updates can be allowed. Beware though that if the error was due to a serious
system problem, such as a disk full condition, then the application may not
come up until you deal with the system problem. See your application log for
information on the error that lead to this problem.