java.lang.InterruptedException
   at java.lang.Object.wait(Object.java:0)
   at java.lang.Object.wait(Object.java:485)
   at java.awt.EventQueue.invokeAndWait(EventQueue.java:993)
   at org.openide.util.Mutex.doEventAccess(Mutex.java:1391)
Caused: java.lang.InternalError: Exception from non-Exception Action
   at org.openide.util.Mutex.readAccess(Mutex.java:273)
   at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1013)
   at java.awt.Component.show(Component.java:1563)
   at java.awt.Component.setVisible(Component.java:1515)
   at java.awt.Window.setVisible(Window.java:842)
   at java.awt.Dialog.setVisible(Dialog.java:986)
   at org.netbeans.modules.cnd.api.toolchain.ui.BuildToolsAction.initBuildTools(BuildToolsAction.java:132)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.validateBuildSystem(MakeActionProvider.java:1286)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.onValidateToolchainStep(MakeActionProvider.java:944)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.addTarget(MakeActionProvider.java:447)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.addAction(MakeActionProvider.java:431)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.access$100(MakeActionProvider.java:146)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider$1.runImpl(MakeActionProvider.java:302)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider$CancellableTask.run(MakeActionProvider.java:1471)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg$WindowAdapterImpl$1.runImpl(ModalMessageDlg.java:265)
   at org.netbeans.modules.cnd.utils.NamedRunnable.run(NamedRunnable.java:62)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1960)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.InternalError: Exception from non-Exception Action
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:421)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg$WindowAdapterImpl.submitJob(ModalMessageDlg.java:260)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg$WindowAdapterImpl.windowOpened(ModalMessageDlg.java:256)
   at java.awt.Window.processWindowEvent(Window.java:1862)
   at javax.swing.JDialog.processWindowEvent(JDialog.java:627)
   at java.awt.Window.processEvent(Window.java:1823)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:138)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:178)
   at java.awt.Dialog$1.run(Dialog.java:1046)
   at java.awt.Dialog$3.run(Dialog.java:1098)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.awt.Dialog.show(Dialog.java:1096)
   at java.awt.Component.show(Component.java:1563)
   at java.awt.Component.setVisible(Component.java:1515)
   at java.awt.Window.setVisible(Window.java:842)
   at java.awt.Dialog.setVisible(Dialog.java:986)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg.runLongTaskImpl(ModalMessageDlg.java:197)
   at org.netbeans.modules.cnd.utils.ui.ModalMessageDlg.runLongTask(ModalMessageDlg.java:90)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.invokeLongAction(MakeActionProvider.java:398)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.runActionWorker(MakeActionProvider.java:323)
   at org.netbeans.modules.cnd.makeproject.MakeActionProvider.invokeAction(MakeActionProvider.java:317)
   at org.netbeans.modules.project.ui.actions.ProjectAction.actionPerformed(ProjectAction.java:134)
   at org.netbeans.modules.project.ui.actions.LookupSensitiveAction.actionPerformed(LookupSensitiveAction.java:170)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$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:1223)
   at javax.swing.plaf.basic.BasicPopupMenuUI$Actions.doReturn(BasicPopupMenuUI.java:429)
   at javax.swing.plaf.basic.BasicPopupMenuUI$Actions.actionPerformed(BasicPopupMenuUI.java:403)
   at javax.swing.SwingUtilities.notifyAction(SwingUtilities.java:1633)
   at javax.swing.JComponent.processKeyBinding(JComponent.java:2851)
   at javax.swing.KeyboardManager.fireBinding(KeyboardManager.java:267)
   at javax.swing.KeyboardManager.fireKeyboardAction(KeyboardManager.java:216)
   at javax.swing.JComponent.processKeyBindingsForAllComponents(JComponent.java:2928)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:2920)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2814)
   at java.awt.Component.processEvent(Component.java:6044)
   at java.awt.Container.processEvent(Container.java:2041)
   at java.awt.Component.dispatchEventImpl(Component.java:4630)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1850)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:712)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:990)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:855)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:676)
   at java.awt.Component.dispatchEventImpl(Component.java:4502)
   at java.awt.Container.dispatchEventImpl(Container.java:2099)
   at java.awt.Window.dispatchEventImpl(Window.java:2478)
   at java.awt.Component.dispatchEvent(Component.java:4460)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:138)
   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)