when I make shared group by selecting Show group in all users’’ rosters.
user having problem with load roster when client logon
005.08.26 12:22:31 org.jivesoftware.messenger.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:130) Internal server error
java.lang.NullPointerException
at java.util.TreeMap.compare(Unknown Source)
at java.util.TreeMap.getEntry(Unknown Source)
at java.util.TreeMap.containsKey(Unknown Source)
at java.util.TreeSet.contains(Unknown Source)
at org.jivesoftware.messenger.group.Group.isUser(Group.java:191)
at org.jivesoftware.messenger.roster.Roster.