java.lang.NoClassDefFoundError: Could not initialize class org.netbeans.modules.android.core.sdk.DalvikPlatformManager
   at org.netbeans.modules.android.core.ui.AndroidPlatformPanel.load(AndroidPlatformPanel.java:161)
   at org.netbeans.modules.android.core.ui.AndroidPlatformOptionsPanelController.update(AndroidPlatformOptionsPanelController.java:32)
   at org.netbeans.modules.options.advanced.Model$DelegatingController.update(Model.java:299)
   at org.netbeans.modules.options.advanced.Model.update(Model.java:182)
   at org.netbeans.modules.options.advanced.AdvancedPanel.update(AdvancedPanel.java:101)
   at org.netbeans.modules.options.advanced.AdvancedPanelController.update(AdvancedPanelController.java:73)
   at org.netbeans.modules.options.CategoryModel$Category.update(CategoryModel.java:381)
   at org.netbeans.modules.options.OptionsPanel.setCurrentCategory(OptionsPanel.java:182)
   at org.netbeans.modules.options.OptionsPanel.initCurrentCategory(OptionsPanel.java:141)
   at org.netbeans.modules.options.OptionsDisplayerImpl.showOptionsDialog(OptionsDisplayerImpl.java:195)
   at org.netbeans.api.options.OptionsDisplayer$1.run(OptionsDisplayer.java:147)
   at org.netbeans.api.options.OptionsDisplayer$1.run(OptionsDisplayer.java:133)
   at org.openide.util.Mutex.doEventAccess(Mutex.java:1361)
   at org.openide.util.Mutex.readAccess(Mutex.java:271)
   at org.netbeans.api.options.OptionsDisplayer.openImpl(OptionsDisplayer.java:133)
   at org.netbeans.api.options.OptionsDisplayer.open(OptionsDisplayer.java:120)
   at org.netbeans.api.options.OptionsDisplayer.open(OptionsDisplayer.java:92)
   at org.netbeans.modules.options.OptionsWindowAction.actionPerformed(OptionsWindowAction.java:64)
   at org.openide.awt.AlwaysEnabledAction$1.run(AlwaysEnabledAction.java:137)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:95)
   at org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:116)
   at org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:99)
   at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:140)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.AbstractButton.doClick(AbstractButton.java:357)
   at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:809)
   at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:850)
   at java.awt.Component.processMouseEvent(Component.java:6288)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6053)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4651)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4481)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4577)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4238)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4168)
   at java.awt.Container.dispatchEventImpl(Container.java:2085)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4481)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:643)
   at java.awt.EventQueue.access$000(EventQueue.java:84)
   at java.awt.EventQueue$1.run(EventQueue.java:602)
   at java.awt.EventQueue$1.run(EventQueue.java:600)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$2.run(EventQueue.java:616)
   at java.awt.EventQueue$2.run(EventQueue.java:614)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:613)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:148)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)