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java.lang.NoClassDefFoundError at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:164) at java.awt.Toolkit$2.run(Toolkit.java:821) at java.security.AccessController.doPrivileged(Native Method) at java.awt.Toolkit.getDefaultToolkit(Toolkit.java:804) at com.jgoodies.looks.LookUtils.isLowResolution(LookUtils.java:484) at com.jgoodies.looks.LookUtils.<clinit>(LookUtils.java:249) at com.jgoodies.looks.plastic.PlasticLookAndFeel.<clinit>(PlasticLookAndFeel.java:135) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:242) at javax.swing.SwingUtilities.loadSystemClass(SwingUtilities.java:1779) at javax.swing.UIManager.setLookAndFeel(UIManager.java:453) at oracle.install.commons.util.Application.startup(Application.java:759) at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:165) at oracle.install.commons.flow.FlowApplication.startup(FlowApplication.java:182) at oracle.install.commons.base.driver.common.Installer.startup(Installer.java:308) at oracle.install.ivw.db.driver.DBInstaller.startup(DBInstaller.java:121) at oracle.install.ivw.db.driver.DBInstaller.main(DBInstaller.java:152)