No Button in a specific JSP page fires event..

hi
I desperately need help in following thing.
I wanted to sort a datatable by command links in headers but those were not firing events so i used teh buttons instead. They kept on working fine but now something weird has happened. Neither the buttons in the header nor anywhere else on page work .. (I copy - pasted the sorting logic into a button outside datatable) but this button is also not working. If i use the debugger then debugger doesnot go into any of the actionListener methods. My CreatorLog file shows the following trace.
INFORMATIONAL *********** Exception occurred ************ at Fri Jul 15 06:42:44 java.lang.InstantiationException
at sun.reflect.InstantiationExceptionConstructorAccessorImpl.newInstance(InstantiationExceptionConstructorAccessorImpl.java:30)
at java.lang.reflect.Constructor.newInstance(Constructor.java:274)
at java.lang.Class.newInstance0(Class.java:308)
at java.lang.Class.newInstance(Class.java:261)
[catch] at com.sun.rave.insync.beans.BeansUnit.instantiateBean(BeansUnit.java:1101)
at com.sun.rave.insync.live.LiveUnit.ressurectDesignBean(LiveUnit.java:316)
at com.sun.rave.insync.live.LiveUnit.resurrect(LiveUnit.java:379)
at com.sun.rave.insync.live.LiveUnit.sync(LiveUnit.java:276)
at com.sun.rave.insync.models.FacesModel.sync(FacesModel.java:761)
at com.sun.rave.designer.DesignerTopComp.sync(DesignerTopComp.java:657)
at com.sun.rave.designer.DesignerTopComp.componentShowing(DesignerTopComp.java:761)
at org.openide.windows.WindowManager.componentShowing(WindowManager.java:333)
at com.sun.rave.windowmgr.WindowManagerImpl.componentShowing(WindowManagerImpl.java:375)
at com.sun.rave.windowmgr.LayoutManagerListenerImpl.layoutWindowShown(LayoutManagerListenerImpl.java:69)
at com.sun.winsys.layout.impl.RLayoutManager.fireWindowShown(RLayoutManager.java:289)
at com.sun.winsys.layout.impl.RLayoutWindow.fireShown(RLayoutWindow.java:482)
at com.sun.winsys.layout.impl.RTabbedDocumentPane.fireChangedNoActivate(RTabbedDocumentPane.java:400)
at com.sun.winsys.layout.impl.RTabbedDocumentPane.stateChanged(RTabbedDocumentPane.java:388)
at javax.swing.JTabbedPane.fireStateChanged(JTabbedPane.java:287)
at javax.swing.JTabbedPane$ModelListener.stateChanged(JTabbedPane.java:219)
at javax.swing.DefaultSingleSelectionModel.fireStateChanged(DefaultSingleSelectionModel.java:116)
at javax.swing.DefaultSingleSelectionModel.setSelectedIndex(DefaultSingleSelectionModel.java:50)
at javax.swing.JTabbedPane.setSelectedIndexImpl(JTabbedPane.java:468)
at javax.swing.JTabbedPane.setSelectedIndex(JTabbedPane.java:461)
at com.sun.winsys.swing.BasicClosableTabbedPaneUI$MouseHandler.mousePressed(BasicClosableTabbedPaneUI.java:3456)
at java.awt.Component.processMouseEvent(Component.java:5097)
at java.awt.Component.processEvent(Component.java:4897)
at java.awt.Container.processEvent(Container.java:1569)
at java.awt.Component.dispatchEventImpl(Component.java:3615)
at java.awt.Container.dispatchEventImpl(Container.java:1627)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3483)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3195)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3128)
at java.awt.Container.dispatchEventImpl(Container.java:1613)
at java.awt.Window.dispatchEventImpl(Window.java:1606)
at java.awt.Component.dispatchEvent(Component.java:3477)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:456)
at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:145)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:137)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:100)
Jul 15, 2005 6:42:46 AM com.sun.faces.renderkit.html_basic.HtmlBasicRenderer getForComponent
WARNING: Unable to find component with ID 'componentLabel3' in view.
If i open the server log from server navigation it doesnot show any other message on button clicks...
plz help..

hi
thanks for reply.. But what if i want to do my own sorting. I am making enterprise application using JSF (Sun Creator). Using my own layered architecture.
The prolem is why Creator(/JSF??) behaved so unpredictably. One moment all the buttons in header of datatable were working fine and other moment an exception trace was found in Creator Log(Help->CreatorLog)??
What went wrong..
Any possible reasons??

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