2016-11-14 07:14:43.121 [in_5-pubsub]      AbstractComponent.processStanzaPacket()  SEVERE: Exception caught: null when processing from=pubsub@green.sure.im, to=null, DATA=<presence to="short@exploit.im" type="unavailable" xmlns="jabber:client"><show>unavailable</show></presence>, SIZE=108, XMLNS=jabber:client, PRIORITY=PRESENCE, PERMISSION=NONE, TYPE=unavailable
tigase.component2.eventbus.EventBusException: Exception caught: null
	at tigase.component2.eventbus.DefaultEventBus.doFire(DefaultEventBus.java:100)
	at tigase.component2.eventbus.DefaultEventBus.fire(DefaultEventBus.java:107)
	at tigase.pubsub.modules.PresenceCollectorModule.firePresenceChangeEvent(PresenceCollectorModule.java:272)
	at tigase.pubsub.modules.PresenceCollectorModule.process(PresenceCollectorModule.java:456)
	at tigase.component2.modules.ModulesManager.process(ModulesManager.java:114)
	at tigase.component2.AbstractComponent.processStanzaPacket(AbstractComponent.java:248)
	at tigase.component2.AbstractComponent.processPacket(AbstractComponent.java:236)
	at tigase.pubsub.PubSubComponent.processPacket(PubSubComponent.java:631)
	at tigase.pubsub.cluster.PubSubComponentClustered.processPacket(SourceFile:205)
	at tigase.server.AbstractMessageReceiver$QueueListener.run(AbstractMessageReceiver.java:1431)
Caused by: java.lang.NullPointerException
	at tigase.pubsub.modules.ext.presence.PresencePerNodeExtension.getNodes(PresencePerNodeExtension.java:273)
	at tigase.pubsub.modules.ext.presence.PresencePerNodeExtension.process(PresencePerNodeExtension.java:342)
	at tigase.pubsub.modules.ext.presence.PresencePerNodeExtension$1.onPresenceChange(PresencePerNodeExtension.java:187)
	at tigase.pubsub.modules.PresenceCollectorModule$PresenceChangeHandler$PresenceChangeEvent.dispatch(PresenceCollectorModule.java:136)
	at tigase.pubsub.modules.PresenceCollectorModule$PresenceChangeHandler$PresenceChangeEvent.dispatch(PresenceCollectorModule.java:123)
	at tigase.component2.eventbus.DefaultEventBus.doFire(DefaultEventBus.java:89)
	at tigase.component2.eventbus.DefaultEventBus.fire(DefaultEventBus.java:107)
	at tigase.pubsub.modules.PresenceCollectorModule.firePresenceChangeEvent(PresenceCollectorModule.java:272)
	at tigase.pubsub.modules.PresenceCollectorModule.process(PresenceCollectorModule.java:456)
	at tigase.component2.modules.ModulesManager.process(ModulesManager.java:114)
	at tigase.component2.AbstractComponent.processStanzaPacket(AbstractComponent.java:248)
	at tigase.component2.AbstractComponent.processPacket(AbstractComponent.java:236)
	at tigase.pubsub.PubSubComponent.processPacket(PubSubComponent.java:631)
	at tigase.pubsub.cluster.PubSubComponentClustered.processPacket(SourceFile:205)
	at tigase.server.AbstractMessageReceiver$QueueListener.run(AbstractMessageReceiver.java:1431)