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Can not join a Chat-Room in a clustered environment

Question asked by hannes on Apr 14, 2016


I have the following set-up:


A HA-Proxy in front of  2 openfire instances (version 3.10.3)


I created a Mutli-User-Chat in one of the Openfire. The room then is displayed in both admin GUIs.


I connect to node A with spark and join this room. Everything is fine.

Then I connect to node B and this works also.


But If a use the SAMCK-Api I get a


  at org.jivesoftware.smackx.muc.MultiUserChat.join(


But only for the node, at which the room was not created!


Since Spark is able to connect to both Openfire it seems that I have to set something like a Clustering-Flag for the SMACK-API.


Is this right? Or does someone else have an idea what the problem could be?