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java.lang.NullPointerException: 	at com.sun.deploy.ui.UIFactory.showErrorDialog(Unknown Source)	at com.sun.deploy.ui.UIFactory.showExceptionDialog(Unknown Source)	at com.sun.deploy.uitoolkit.impl.awt.ui.UIFactoryImpl.showExceptionDialog(Unknown Source)	at com.sun.deploy.uitoolkit.ui.DelegatingPluginUIFactory.showExceptionDialog(Unknown Source)	at com.sun.deploy.trace.Trace.printException(Unknown Source)	at com.sun.deploy.trace.Trace.printException(Unknown Source)	at com.sun.deploy.trace.Trace.printException(Unknown Source)	at sun.plugin2.applet.Plugin2Manager.showAppletException(Unknown Source)	at sun.plugin2.applet.Plugin2Manager.showAppletException(Unknown Source)	at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)