[Tinyos-help] Couldn't get proper simulation Simlecmd-Bcast module in TOSSIM

[Cruz Emilda]

BcastM TinyOS application module
    As I read from the lesson 8 of the tutorial , this module has to check if it has seen the message before and drop the message if so.When I run the program this is not happening.When I give "led_off" command the yellow light is switched off and the nodes are again and again getting and sending messages and the red and green lights are blinking.
   
  I am getting the following messages running in tinyviz running command shell.
  I couln't understand what is happening here.. Any one please help me
    at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:167)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:437)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:15
0)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
          at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:131)
          at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
java.lang.ArrayIndexOutOfBoundsException: 500 >= 500
        at java.util.Vector.elementAt(Vector.java:420)
        at javax.swing.DefaultListModel.getElementAt(DefaultListModel.java:73)
        at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java
:1043)
        at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI
.java:994)
        at javax.swing.plaf.basic.BasicListUI.getPreferredSize(BasicListUI.java:
241)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1176)
        at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:77
0)
        at java.awt.Container.layout(Container.java:798)
        at java.awt.Container.doLayout(Container.java:788)
        at java.awt.Container.validateTree(Container.java:865)
        at java.awt.Container.validate(Container.java:840)
        at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.j
ava:350)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(System
EventQueueUtilities.java:119)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:167)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:437)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:15
0)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
          at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:131)
          at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
java.lang.ArrayIndexOutOfBoundsException: 500 >= 500
        at java.util.Vector.elementAt(Vector.java:420)
        at javax.swing.DefaultListModel.getElementAt(DefaultListModel.java:73)
        at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java
:1043)
        at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI
.java:994)
        at javax.swing.plaf.basic.BasicListUI.getPreferredSize(BasicListUI.java:
241)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1176)
        at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:77
0)
        at java.awt.Container.layout(Container.java:798)
        at java.awt.Container.doLayout(Container.java:788)
        at java.awt.Container.validateTree(Container.java:865)
        at java.awt.Container.validate(Container.java:840)
        at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.j
ava:350)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(System
EventQueueUtilities.java:119)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:167)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:437)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:15
0)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
          at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:131)
          at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
java.lang.ArrayIndexOutOfBoundsException: 500 >= 500
        at java.util.Vector.elementAt(Vector.java:420)
        at javax.swing.DefaultListModel.getElementAt(DefaultListModel.java:73)
        at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java
:1043)
        at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI
.java:994)
        at javax.swing.plaf.basic.BasicListUI.getPreferredSize(BasicListUI.java:
241)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1176)
        at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:77
0)
        at java.awt.Container.layout(Container.java:798)
        at java.awt.Container.doLayout(Container.java:788)
        at java.awt.Container.validateTree(Container.java:865)
        at java.awt.Container.validate(Container.java:840)
        at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.j
ava:350)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(System
EventQueueUtilities.java:119)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:167)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:437)
        at java.awt.EventDispatchThread.pumpOneEvent(EventDispatchThread.java:15
0)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
          at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:131)
          at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)
java.lang.ArrayIndexOutOfBoundsException: 500 >= 500
        at java.util.Vector.elementAt(Vector.java:420)
        at javax.swing.DefaultListModel.getElementAt(DefaultListModel.java:73)
        at javax.swing.plaf.basic.BasicListUI.updateLayoutState(BasicListUI.java
:1043)
        at javax.swing.plaf.basic.BasicListUI.maybeUpdateLayoutState(BasicListUI
.java:994)
        at javax.swing.plaf.basic.BasicListUI.getPreferredSize(BasicListUI.java:
241)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1176)
        at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:77
0)
        at java.awt.Container.layout(Container.java:798)
        at java.awt.Container.doLayout(Container.java:788)
        at java.awt.Container.validateTree(Container.java:865)
        at java.awt.Container.validate(Container.java:840)

 
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