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via Google Groups by Timo Juhani Lindfors, 3 months ago
java.lang.IllegalArgumentException: start == end	at net.sf.freecol.common.model.Map.findPath(Map.java:343)	at net.sf.freecol.common.model.Map.findPath(Map.java:223)	at net.sf.freecol.client.control.InGameController.moveToDestination(InGameController.java:700)	at net.sf.freecol.client.control.InGameController.nextActiveUnit(InGameController.java:3590)	at net.sf.freecol.client.control.InGameController.nextActiveUnit(InGameController.java:3531)	at net.sf.freecol.client.control.InGameController.setCurrentPlayer(InGameController.java:310)	at net.sf.freecol.client.control.ConnectController.login(ConnectController.java:265)	at net.sf.freecol.client.control.ConnectController.access$100(ConnectController.java:65)	at net.sf.freecol.client.control.ConnectController$1$1.run(ConnectController.java:413)	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:226)	at java.awt.EventQueue.dispatchEvent(EventQueue.java:602)