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java.lang.ClassCastException: 	at javax.swing.AbstractButton.configurePropertiesFromAction(Unknown Source)	at javax.swing.AbstractButton.configurePropertiesFromAction(Unknown Source)	at javax.swing.JMenuItem.configurePropertiesFromAction(Unknown Source)	at javax.swing.AbstractButton.setAction(Unknown Source)	at javax.swing.JMenuItem.(Unknown Source)	at lyr.FrameBanco.(FrameBanco.java:31)	at lyr.FrameMain.jMenuBancos_actionPerformed(FrameMain.java:138)	at lyr.FrameMain_jMenuBancos_actionAdapter.actionPerformed(FrameMain.java:188)	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)	at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(UnknownSource)	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)	at javax.swing.AbstractButton.doClick(Unknown Source)	at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)	at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(Unknown Source)	at java.awt.Component.processMouseEvent(Unknown Source)	at java.awt.Component.processEvent(Unknown Source)	at java.awt.Container.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.LightweightDispatcher.retargetMouseEvent(Unknown Source)	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)	at java.awt.LightweightDispatcher.dispatchEvent(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)