Weird stale session problem after installing new version?

"Brien Voorhees" <[email protected]> Thu, 19 Dec 2002 13:27:18 -0800

Newsgroups	gmane.comp.java.tapestry.devel
Message-ID	<[email protected]>

We just upgraded from Tapestry 2.2-rc1 to 2.3-beta1 and now any time a form is submitted or a link is clicked it results in a page saying that the session is stale.  Any clues as to why that might be?  To upgrade all I did was copied the following jars (basically the ones that looked new):
    ognl-2.3.0-opt.jar
    commons-logging-1.0.2.jar
    commons-lang-1.0.jar
    net.sf.tapestry-2.3-beta-1.jar
    net.sf.tapestry.contrib-2.3-beta-1.jar

Thanks for any help,
Brien Voorhees