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java.lang.NullPointerException: 	at oracle.forms.ui.VBean.isFocusTraversable(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.__getFirstFocusableComponent(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow._restoreFocus(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.setActive(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.setVisible(Unknown Source)	at oracle.forms.ui.ExtendedFrame.setVisible(Unknown Source)	at oracle.ewt.lwAWT.lwWindow.LWWindow.setVisible(Unknown Source)	at oracle.forms.handler.FormWindow.doShowComponent(Unknown Source)	at oracle.forms.handler.UICommon.onComponentUpdate(Unknown Source)	at oracle.forms.handler.UICommon.onUpdate(Unknown Source)	at oracle.forms.handler.FormWindow.onUpdate(Unknown Source)	at oracle.forms.handler.UICommon.onUpdate(Unknown Source)	at oracle.forms.engine.Runform.onUpdateHandler(Unknown Source)	at oracle.forms.engine.Runform.processMessage(Unknown Source)	at oracle.forms.engine.Runform.processSet(Unknown Source)	at oracle.forms.engine.Runform.onMessageReal(Unknown Source)	at oracle.forms.engine.Runform.onMessage(Unknown Source)	at oracle.forms.handler.LogonDialog.actionPerformed(Unknown Source)	at oracle.ewt.button.PushButton.processActionEvent(Unknown Source)	at oracle.ewt.button.PushButton.processEventImpl(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)	at oracle.ewt.button.PushButton.activate(Unknown Source)	at oracle.ewt.lwAWT.AbstractButton._processKeyPress(Unknown Source)	at oracle.ewt.lwAWT.AbstractButton.processKeyEvent(Unknown Source)	at java.awt.Component.processEvent(Unknown Source)	at java.awt.Container.processEvent(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.processEventImpl(Unknown Source)	at oracle.ewt.button.PushButton.processEventImpl(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)	at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)	at java.awt.Component.dispatchEventImpl(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.KeyboardFocusManager.redispatchEvent(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(Unknown Source)	at java.awt.DefaultKeyboardFocusManager.dispatchEvent(Unknown Source)	at java.awt.Component.dispatchEventImpl(Unknown Source)	at java.awt.Container.dispatchEventImpl(Unknown Source)	at java.awt.Window.dispatchEventImpl(Unknown Source)	at java.awt.Component.dispatchEvent(Unknown Source)	at java.awt.EventQueue.dispatchEvent(Unknown Source)	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(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)