EventDispatchThread.run() has thrown an IllegalStateException

We found this prefix in 2 webpages.
MapChildren (2)Typical messages (1)TraceDetailed Map
  1. java.lang.IllegalStateException
    1.   at java.util.Timer.sched()
    2.   at java.util.Timer.scheduleAtFixedRate()
    3.   at org.jivesoftware.spark.util.TaskEngine.scheduleAtFixedRate()
    4.   at org.jivesoftware.spark.ui.rooms.ChatRoomImpl.<init>()
    5.   at org.jivesoftware.spark.ChatManager$1.finished()
    6.   at org.jivesoftware.spark.util.SwingWorker$2$1.run()
    7.   at java.awt.event.InvocationEvent.dispatch()
    8.   at java.awt.EventQueue.dispatchEvent()
    9.   at java.awt.EventDispatchThread.pumpOneEventForFilters()
    10.   at java.awt.EventDispatchThread.pumpEventsForFilter()
    11.   at java.awt.EventDispatchThread.pumpEventsForHierarchy()
    12.   at java.awt.EventDispatchThread.pumpEvents()
    13.   at java.awt.EventDispatchThread.pumpEvents()
    14.   at java.awt.EventDispatchThread.run()
  1. Chat window does not open

    First:11 years ago
    Last:2 years ago
    Author:Kevin Williams
  2. Chat window does not open

    First:11 years ago
    Last:2 years ago
    Author:Kevin Williams
MessageNumber of crashes
Timer already cancelled.2
  1. java.lang.IllegalStateException
    1.   at java.util.Timer.sched()
    2.   at java.util.Timer.scheduleAtFixedRate()
    3.   at org.jivesoftware.spark.util.TaskEngine.scheduleAtFixedRate()
    4.   at org.jivesoftware.spark.ui.rooms.ChatRoomImpl.<init>()
    5.   at org.jivesoftware.spark.ChatManager$1.finished()
    6.   at org.jivesoftware.spark.util.SwingWorker$2$1.run()
    7.   at java.awt.event.InvocationEvent.dispatch()
    8.   at java.awt.EventQueue.dispatchEvent()
    9.   at java.awt.EventDispatchThread.pumpOneEventForFilters()
    10.   at java.awt.EventDispatchThread.pumpEventsForFilter()
    11.   at java.awt.EventDispatchThread.pumpEventsForHierarchy()
    12.   at java.awt.EventDispatchThread.pumpEvents()
    13.   at java.awt.EventDispatchThread.pumpEvents()
    14.   at java.awt.EventDispatchThread.run()