Is there a new release date for JGroups 2.4? On the wiki it says the target date was July 2006.
Sorry, just noticed the following post from Brian on Oct. 30 that says JGroups 2.4 should be released in within a week:
Ah, I forgot. The -Djgroups.marshalling.compatible=true fix was added after 2.4.CR2. So you'd need to check out JGroups HEAD and build it, or wait for 2.4.GA, which should be out within a week.