java.lang.NoClassDefFoundError: This exception has no message.

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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.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
at sun.awt.motif.MToolkit.(MToolkit.java:93)
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 java.awt.KeyboardFocusManager.initPeer(KeyboardFocusManager.java:398)
at java.awt.KeyboardFocusManager.(KeyboardFocusManager.java:394)
at java.awt.DefaultKeyboardFocusManager.(DefaultKeyboardFocusManager.java:45)
at java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager(KeyboardFocusManager.java:164)
at java.awt.KeyboardFocusManager.getCurrentKeyboardFocusManager(KeyboardFocusManager.java:155)
at java.awt.Container.clearCurrentFocusCycleRootOnHide(Container.java:3027)
at java.awt.Component.hide(Component.java:1327)
at java.awt.Component.show(Component.java:1302)
at java.awt.Component.setVisible(Component.java:1253)
at com.sun.wizards.core.IteratorLayout.addSubtree(IteratorLayout.java:455)
at com.sun.wizards.core.IteratorLayout.addSubtree(IteratorLayout.java:480)
at com.sun.wizards.core.WizardTreeManager.createSubTree(WizardTreeManager.java:1066)
at com.sun.wizards.core.WizardTreeManager.createWizardPanel(WizardTreeManager.java:865)
at com.sun.wizards.core.WizardTreeManager.(WizardTreeManager.java:293)
at com.sun.wizards.core.CommandLineConsole.run(CommandLineConsole.java:66)
at java.lang.Thread.run(Thread.java:595)

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