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java.lang.NoClassDefFoundError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName( at java.awt.Toolkit$ at Method) at java.awt.Toolkit.getDefaultToolkit( at com.jgoodies.looks.LookUtils.isLowResolution(Unknown Source) at com.jgoodies.looks.LookUtils.<clinit>(Unknown Source) at com.jgoodies.looks.plastic.PlasticLookAndFeel.<clinit>( at java.lang.Class.forName0(Native Method) at java.lang.Class.forName( at javax.swing.SwingUtilities.loadSystemClass( at javax.swing.UIManager.setLookAndFeel( at oracle.install.commons.util.Application.startup( at oracle.install.commons.flow.FlowApplication.startup( at oracle.install.commons.flow.FlowApplication.startup( at oracle.install.commons.base.driver.common.Installer.startup( at oracle.install.ivw.client.driver.ClientInstaller.startup( at oracle.install.ivw.client.driver.ClientInstaller.main(