[egenix-users] Critical: ReadConflict Error with mxODBCZopeDA
ielbert at genuone.com
Mon Oct 25 14:28:11 CEST 2004
When testing mxODBCZopeDA we frequently encounter ReadConflict errors
related to mxODBCZopeDA.ZopeDA.ZopeConnection object. Traceback is:
Traceback (most recent call last):
File "..../lib/python\Shared\DC\ZRDB\DA.py", line 398, in __call__
File "..../lib/python\ZODB\Connection.py", line 553, in setstate
invalid = self._is_invalidated(obj)
File "..../lib/python\ZODB\Connection.py", line 579, in _is_invalidated
ReadConflictError: database read conflict error (oid 0000000000001bac, class
This causes Zope's DA to raise 'Not connected to a database' exception.
When user hits "reload" the problem disappears. It can not be a timeout
issues since the problem hits actively working users.
Our environment is:
Zope Version (Zope 2.6.2 (binary release, python 2.1, win32-x86), python
Python Version 2.1.3 (#35, Apr 8 2002, 17:47:50) [MSC 32 bit (Intel)]
System Platform win32
Connection Information Connected database: Microsoft SQL Server, 08.00.0194
ODBC driver: SQLSRV32.DLL, 03.80.0194
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