[org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateH andler.java:141)

We are seeing a nullpointer exception in wildfire error log -

.2009.01.27 12:58:54 [org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdate Handler.java:141)
] Internal server error. Triggered by packet: .. available. 1.
.java.lang.NullPointerException

I have read the archived thread http://www.igniterealtime.org/community/message/124117;jsessionid=6EB17B5D9F5295 C8C78FFA30A4EE2F70

And it seems this issue is being resolved in the versions which is higher than wildfire 2.6

We are using wildfire 3.1.1 and still seeing the issue.

Could anyone advise me on this pleaseā€¦