2019-05-03 16:47:44.478 [in_7-pubsub]      StanzaProcessor.processPacket()         SEVERE:   java.lang.NullPointerException when processing from=c2s@ip-10-0-28-23.us-west-2.compute.internal/10.0.28.23_5223_181.163.122.88_55572, to=null, DATA=<iq xmlns="jabber:client" to="wojtek@tigase.im" id="C8839F28-C2BF-4D43-974D-F8445DA72BAB" from="wojtek@tigase.im/959732298-tigase-71" type="get"><pubsub xmlns="http://jabber.org/protocol/pubsub"><items node="eu.siacs.conversations.axolotl.bundles:386297800"><item id="current"/></items></pubsub></iq>, SIZE=300, XMLNS=jabber:client, PRIORITY=NORMAL, PERMISSION=ADMIN, TYPE=get
java.lang.RuntimeException: java.lang.NullPointerException
        at tigase.pubsub.modules.RetrieveItemsModule.process(RetrieveItemsModule.java:154)
        at tigase.component.modules.StanzaProcessor.process(StanzaProcessor.java:164)
        at tigase.component.modules.StanzaProcessor.processPacket(StanzaProcessor.java:85)
        at tigase.component.AbstractKernelBasedComponent.processPacket(AbstractKernelBasedComponent.java:81)
        at tigase.pubsub.PubSubComponent.processPacket(PubSubComponent.java:188)
        at tigase.pubsub.cluster.PubSubComponentClustered.processPacket(SourceFile:183)
        at tigase.server.AbstractMessageReceiver$QueueListener.run(AbstractMessageReceiver.java:1357)
Caused by: java.lang.NullPointerException
        at tigase.pubsub.repository.PubSubDAOJDBC.getItem(PubSubDAOJDBC.java:282)
        at tigase.pubsub.repository.PubSubDAOJDBC.getItem(PubSubDAOJDBC.java:47)
        at sun.reflect.GeneratedMethodAccessor78.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at tigase.stats.StatisticsInvocationHandler.invoke(StatisticsInvocationHandler.java:75)
        at com.sun.proxy.$Proxy42.getItem(Unknown Source)
        at tigase.pubsub.repository.PubSubDAOPool.getItem(PubSubDAOPool.java:190)
        at tigase.pubsub.repository.cached.Items.getItem(Items.java:70)
        at tigase.pubsub.modules.RetrieveItemsModule.process(RetrieveItemsModule.java:86)
        at tigase.component.modules.StanzaProcessor.process(StanzaProcessor.java:164)
        at tigase.component.modules.StanzaProcessor.processPacket(StanzaProcessor.java:85)
        at tigase.component.AbstractKernelBasedComponent.processPacket(AbstractKernelBasedComponent.java:81)
        at tigase.pubsub.PubSubComponent.processPacket(PubSubComponent.java:188)
        at tigase.pubsub.cluster.PubSubComponentClustered.processPacket(SourceFile:183)
        at tigase.server.AbstractMessageReceiver$QueueListener.run(AbstractMessageReceiver.java:1357)