[Checkins] SVN: ZODB/branches/3.9/README.txt Updated compatibility notes.
Jim Fulton
jim at zope.com
Tue Apr 20 13:22:14 EDT 2010
Log message for revision 111178:
Updated compatibility notes.
Changed:
U ZODB/branches/3.9/README.txt
-=-
Modified: ZODB/branches/3.9/README.txt
===================================================================
--- ZODB/branches/3.9/README.txt 2010-04-20 15:52:58 UTC (rev 111177)
+++ ZODB/branches/3.9/README.txt 2010-04-20 17:22:14 UTC (rev 111178)
@@ -26,6 +26,14 @@
ZODB 3.9 requires Python 2.4.2 or later.
+Note --
+ When using ZEO and upgrading from Python 2.4, you need to upgrade
+ clients and servers at the same time, or upgrade clients first and
+ then servers. Clients running Python 2.5 or 2.6 will work with
+ servers running Python 2.4. Clients running Python 2.4 won't work
+ properly with servers running Python 2.5 or later due to changes in
+ the way Python implements exceptions.
+
ZODB ZEO clients from ZODB 3.2 on can talk to ZODB 3.9 servers. ZODB
ZEO Clients can talk to ZODB 3.8 and 3.9 ZEO servers.
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