Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: null attribute
   at sun.print.IPPPrintService.isAttributeValueSupported(IPPPrintService.java:1143)
   at sun.print.ServiceDialog$OrientationPanel.updateInfo(ServiceDialog.java:2121)
   at sun.print.ServiceDialog$PageSetupPanel.updateInfo(ServiceDialog.java:1263)
   at sun.print.ServiceDialog.updatePanels(ServiceDialog.java:437)
   at sun.print.ServiceDialog.initPrintDialog(ServiceDialog.java:195)
   at sun.print.ServiceDialog.<init>(ServiceDialog.java:124)
   at javax.print.ServiceUI.printDialog(ServiceUI.java:188)
   at sun.print.RasterPrinterJob.printDialog(RasterPrinterJob.java:855)
   at sun.print.PSPrinterJob.printDialog(PSPrinterJob.java:419)
   at bitel.billing.module.common.AWTViewer.print(AWTViewer.java:136)
   at bitel.billing.module.contract.ContractPanel_Card2.jButton1_actionPerformed(ContractPanel_Card2.java:192)
   at bitel.billing.module.contract.ContractPanel_Card2$2.actionPerformed(ContractPanel_Card2.java:132)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
   at java.awt.Component.processMouseEvent(Component.java:6038)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
   at java.awt.Component.processEvent(Component.java:5803)
   at java.awt.Container.processEvent(Container.java:2058)
   at java.awt.Component.dispatchEventImpl(Component.java:4410)
   at java.awt.Container.dispatchEventImpl(Container.java:2116)
   at java.awt.Component.dispatchEvent(Component.java:4240)
   at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4322)
   at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3986)
   at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3916)
   at java.awt.Container.dispatchEventImpl(Container.java:2102)
   at java.awt.Window.dispatchEventImpl(Window.java:2429)
   at java.awt.Component.dispatchEvent(Component.java:4240)
   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)