2019-05-01 17:35:35.055 [presence-state Queue Worker 6]  WorkerThread.run()        SEVERE:   tigase.server.xmppsession.SessionManager$ProcessorWorkerThread,(presence-state Queue Worker 6) Exception during packet processing: from=c2s@ip-10-0-28-23.us-west-2.compute.internal/10.0.28.23_5222_185.87.48.11_62543, to=sess-man@ip-10-0-28-23.us-west-2.compute.internal, DATA=<presence xmlns="jabber:client" type="unavailable" from="14542529-2de9-4ebe-b198-ee4b4135b552@connyolivier.nl/Yf7MT"><show>CData size: 11</show></presence>, SIZE=152, XMLNS=jabber:client, PRIORITY=PRESENCE, PERMISSION=ANONYM, TYPE=unavailable
java.lang.NullPointerException
        at tigase.db.jdbc.JDBCRepository.isExceptionKeyViolation(JDBCRepository.java:723)
        at tigase.db.jdbc.JDBCRepository.addUserRepo(JDBCRepository.java:908)
        at tigase.db.jdbc.JDBCRepository.getUserUID(JDBCRepository.java:1167)
        at tigase.db.jdbc.JDBCRepository.getNodeNID(JDBCRepository.java:1103)
        at tigase.db.jdbc.JDBCRepository.getData(JDBCRepository.java:129)
        at tigase.db.jdbc.JDBCRepository.getData(JDBCRepository.java:172)
        at sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at tigase.stats.StatisticsInvocationHandler.invoke(StatisticsInvocationHandler.java:75)
        at com.sun.proxy.$Proxy34.getData(Unknown Source)
        at tigase.db.UserRepositoryMDImpl.getData(UserRepositoryMDImpl.java:96)
        at tigase.xmpp.impl.VCardTemp.lambda$extend$4(VCardTemp.java:302)
        at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660)
        at tigase.xmpp.XMPPSession.computeCommonSessionDataIfAbsent(XMPPSession.java:418)
        at tigase.xmpp.XMPPResourceConnection.computeCommonSessionDataIfAbsent(XMPPResourceConnection.java:164)
        at tigase.xmpp.impl.VCardTemp.extend(VCardTemp.java:300)
        at tigase.xmpp.impl.PresenceState.processOutInitial(PresenceState.java:840)
        at tigase.xmpp.impl.PresenceState.process(PresenceState.java:408)
        at tigase.server.xmppsession.SessionManager$ProcessorWorkerThread.process(SessionManager.java:2625)
        at tigase.util.processing.WorkerThread.run(WorkerThread.java:68)