Problemas Problemas... Alguém me Ajude!

init:

deps-jar:

Compiling 1 source file to G:\Documents and Settings\Proprietário\AgendaG2\build\classes

compile-single:

run-single:

Exception in thread “AWT-EventQueue-0” java.lang.NullPointerException

at InsereBD.insereContato(InsereBD.java:23)

at TelaAgenda.btnOkActionPerformed(TelaAgenda.java:280)

at TelaAgenda.access$100(TelaAgenda.java:14)

at TelaAgenda$2.actionPerformed(TelaAgenda.java:107)

at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1957)

at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2278)

at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:377)

at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:232)

at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:234)

at java.awt.Component.processMouseEvent(Component.java:5955)

at javax.swing.JComponent.processMouseEvent(JComponent.java:3285)

at java.awt.Component.processEvent(Component.java:5720)

at java.awt.Container.processEvent(Container.java:1960)

at java.awt.Component.dispatchEventImpl(Component.java:4365)

at java.awt.Container.dispatchEventImpl(Container.java:2018)

at java.awt.Component.dispatchEvent(Component.java:4195)

at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4222)

at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3886)

at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3816)

at java.awt.Container.dispatchEventImpl(Container.java:2004)

at java.awt.Window.dispatchEventImpl(Window.java:2210)

at java.awt.Component.dispatchEvent(Component.java:4195)

at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)

at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)

at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)

at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)

at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)

BUILD SUCCESSFUL (total time: 1 minute 20 seconds)