Java stack information for the threads listed above:
===================================================
"Client SR - 32012609":
at org.jivesoftware.wildfire.user.UserManager.getUser(UserManager.java:163)

• waiting to lock <0x8f7e3ff0> (a java.lang.String)
  at org.jivesoftware.wildfire.user.UserCollection$UserIterator.getNextElement(UserCollection.java:94)
  at org.jivesoftware.wildfire.user.UserCollection$UserIterator.hasNext(UserCollection.java:57)
  at org.jivesoftware.wildfire.roster.RosterManager.getSharedUsersForRoster(RosterManager.java:702)
  at org.jivesoftware.wildfire.roster.Roster.getSharedUsers(Roster.java:505)
  at org.jivesoftware.wildfire.roster.Roster.<init>(Roster.java:110)
  at org.jivesoftware.wildfire.roster.RosterManager.getRoster(RosterManager.java:90)
  - locked <0x8f7e4020> (a java.lang.String)
  at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.broadcastUpdate(PresenceUpdateHandler.java:257)
  at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:96)
  at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:153)
  at org.jivesoftware.wildfire.PresenceRouter.handle(PresenceRouter.java:92)
  at org.jivesoftware.wildfire.PresenceRouter.route(PresenceRouter.java:61)
  at org.jivesoftware.wildfire.PacketRouter.route(PacketRouter.java:73)
  at org.jivesoftware.wildfire.net.SocketReader.processPresence(SocketReader.java:445)
  at org.jivesoftware.wildfire.net.ClientSocketReader.processPresence(ClientSocketReader.java:56)
  at org.jivesoftware.wildfire.net.SocketReader.readStream(SocketReader.java:242)
  at org.jivesoftware.wildfire.net.SocketReader.run(SocketReader.java:119)
  at java.lang.Thread.run(Unknown Source)
  "Client SR - 22376977":
  at org.jivesoftware.wildfire.user.UserManager.getUser(UserManager.java:163)
  - waiting to lock <0x8f7e4020> (a java.lang.String)
  at org.jivesoftware.wildfire.user.UserCollection$UserIterator.getNextElement(UserCollection.java:94)
  at org.jivesoftware.wildfire.user.UserCollection$UserIterator.hasNext(UserCollection.java:57)
  at org.jivesoftware.wildfire.roster.RosterManager.getSharedUsersForRoster(RosterManager.java:702)
  at org.jivesoftware.wildfire.roster.Roster.getSharedUsers(Roster.java:505)
  at org.jivesoftware.wildfire.roster.Roster.<init>(Roster.java:110)
  at org.jivesoftware.wildfire.roster.RosterManager.getRoster(RosterManager.java:90)
  - locked <0x8f7e3ff0> (a java.lang.String)
  at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.broadcastUpdate(PresenceUpdateHandler.java:257)
  at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:96)
  at org.jivesoftware.wildfire.handler.PresenceUpdateHandler.process(PresenceUpdateHandler.java:153)
  at org.jivesoftware.wildfire.PresenceRouter.handle(PresenceRouter.java:92)
  at org.jivesoftware.wildfire.PresenceRouter.route(PresenceRouter.java:61)
  at org.jivesoftware.wildfire.PacketRouter.route(PacketRouter.java:73)
  at org.jivesoftware.wildfire.net.SocketReader.processPresence(SocketReader.java:445)
  at org.jivesoftware.wildfire.net.ClientSocketReader.processPresence(ClientSocketReader.java:56)
  at org.jivesoftware.wildfire.net.SocketReader.readStream(SocketReader.java:242)
  at org.jivesoftware.wildfire.net.SocketReader.run(SocketReader.java:119)
  at java.lang.Thread.run(Unknown Source)

Found 1 deadlock.