This is what I have in log for that day:
sep 25, 2016 9:21:31 AM org.jivesoftware.spark.util.log.Log error
SEVERE:
org.jivesoftware.smack.SmackException$NotConnectedException: Client is not, or no longer, connected.
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.throwNotConnectedExce ptionIfDoneAndResumptionNotPossible(XMPPTCPConnection.java:1252)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.throwNotConnectedExceptionIfApprop riate(XMPPTCPConnection.java:345)
at org.jivesoftware.smack.AbstractXMPPConnection.sendStanza(AbstractXMPPConnection .java:617)
at org.jivesoftware.smack.AbstractXMPPConnection.createPacketCollectorAndSend(Abst ractXMPPConnection.java:711)
at org.jivesoftware.smack.AbstractXMPPConnection.createPacketCollectorAndSend(Abst ractXMPPConnection.java:700)
at org.jivesoftware.smackx.iqprivate.PrivateDataManager.getPrivateData(PrivateData Manager.java:162)
at org.jivesoftware.sparkimpl.plugin.scratchpad.Tasks.getTaskList(Tasks.java:208)
at org.jivesoftware.sparkimpl.plugin.scratchpad.TaskNotification$2.lambda$run$0(Ta skNotification.java:69)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(U nknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
sep 25, 2016 11:21:31 AM org.jivesoftware.spark.util.log.Log error
SEVERE:
org.jivesoftware.smack.SmackException$NotConnectedException: Client is not, or no longer, connected.
at org.jivesoftware.smack.tcp.XMPPTCPConnection$PacketWriter.throwNotConnectedExce ptionIfDoneAndResumptionNotPossible(XMPPTCPConnection.java:1252)
at org.jivesoftware.smack.tcp.XMPPTCPConnection.throwNotConnectedExceptionIfApprop riate(XMPPTCPConnection.java:345)
at org.jivesoftware.smack.AbstractXMPPConnection.sendStanza(AbstractXMPPConnection .java:617)
at org.jivesoftware.smack.AbstractXMPPConnection.createPacketCollectorAndSend(Abst ractXMPPConnection.java:711)
at org.jivesoftware.smack.AbstractXMPPConnection.createPacketCollectorAndSend(Abst ractXMPPConnection.java:700)
at org.jivesoftware.smackx.iqprivate.PrivateDataManager.getPrivateData(PrivateData Manager.java:162)
at org.jivesoftware.sparkimpl.plugin.scratchpad.Tasks.getTaskList(Tasks.java:208)
at org.jivesoftware.sparkimpl.plugin.scratchpad.TaskNotification$2.lambda$run$0(Ta skNotification.java:69)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$500(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(U nknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)