> The first thing to make sure is to check of JGroups message go from
> one server to another both way, you can enable remote observation
> module debug log for this (see
> http://extensions.xwiki.org/xwiki/bin/view/Extension/Observation+Module+Remote#HDebugging).

Done and checked: yes it works.
(all written down on http://jira.xwiki.org/browse/CURRIKI-5909)

> There is several caches in XWiki and you maybe have several of your
> own so if jgroups properly send messages it mean some cache somewhere
> corresponding to what you are viewing is not invalidated when
> receiving an event.

Can it be it's invalidated too early?
This seems to be my best guess.
Then the older version is fetched from the DB.

> When you can reproduce the issue the idea would be to find what is the cache 
> with the issue, it's not always easy to find out when you don't know exactly 
> all the caches but you can view all of
> them using JMX (see 
> http://platform.xwiki.org/xwiki/bin/view/AdminGuide/Monitoring#HXWikiCachesMonitoring),
> at least all the caches created through standard XWiki cache module.

Thus far, any such inconsistency, on production environments, is solved with a 
cache-clear so this is likely.

I could find out by just emptying one or the other right?

paul
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