Found one Java-level deadlock:
=============================
"JavaWizard query":
  waiting to lock monitor 0xb69b0 (object 0xf36cad18, a org.openide.src.ClassElement$Memory),
  which is held by "AWT-EventQueue-0"
"AWT-EventQueue-0":
  waiting to lock monitor 0xb6668 (object 0xf37fbe48, a org.netbeans.modules.java.tools.InheritanceSupport),
  which is held by "JavaWizard query"

Java stack information for the threads listed above:
===================================================
"JavaWizard query":
        at org.openide.src.ClassElement$Memory.getInterfaces(ClassElement.java:1509)
        - waiting to lock <f36cad18> (a org.openide.src.ClassElement$Memory)
        at org.openide.src.ClassElement.getInterfaces(ClassElement.java:716)
        at org.netbeans.modules.java.tools.InheritanceSupport.buildSuperHierarchy(InheritanceSupport.java:475)
        - locked <f37fbe48> (a org.netbeans.modules.java.tools.InheritanceSupport)
        at org.netbeans.modules.java.tools.InheritanceSupport.access$700(InheritanceSupport.java:42)
        at org.netbeans.modules.java.tools.InheritanceSupport$HierarchyProducer.run(InheritanceSupport.java:780)
        at org.openide.util.Task.run(Task.java:136)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:328)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:670)
"AWT-EventQueue-0":
        at org.netbeans.modules.java.tools.InheritanceSupport.invalidateInheritanceSupport(InheritanceSupport.java:350)
        - waiting to lock <f37fbe48> (a org.netbeans.modules.java.tools.InheritanceSupport)
        at org.netbeans.modules.java.tools.InheritanceSupport.setPackage(InheritanceSupport.java:219)
        at org.netbeans.modules.java.tools.InheritanceSupport$PropL.propertyChange(InheritanceSupport.java:1229)
        at org.openide.util.WeakListener$PropertyChange.propertyChange(WeakListener.java:485)
        at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:252)
        at org.openide.src.Element$Memory.firePropertyChange(Element.java:346)
        at org.openide.src.MemberElement$Memory.setName(MemberElement.java:200)
        - locked <f36cad18> (a org.openide.src.ClassElement$Memory)
        at org.openide.src.MemberElement.setName(MemberElement.java:89)
        at org.openide.src.ClassElement.setName(ClassElement.java:240)
        at org.netbeans.modules.java.ui.wizard.JavaWizardData.setTarget(JavaWizardData.java:206)
        at org.netbeans.modules.java.ui.wizard.JavaWizardIterator.updateTargetData(JavaWizardIterator.java:381)
        at org.netbeans.modules.java.ui.wizard.JavaWizardIterator.initializeTargetData(JavaWizardIterator.java:364)
        at org.netbeans.modules.java.ui.wizard.JavaWizardIterator.instantiate(JavaWizardIterator.java:116)
        at org.openide.loaders.TemplateWizard.handleInstantiate(TemplateWizard.java:517)
        at org.openide.loaders.TemplateWizard.instantiateImpl(TemplateWizard.java:442)
        at org.openide.loaders.TemplateWizard.instantiate(TemplateWizard.java:358)
        at org.openide.actions.NewTemplateAction.doShowWizard(NewTemplateAction.java:328)
        at org.openide.actions.NewTemplateAction.access$300(NewTemplateAction.java:49)
        at org.openide.actions.NewTemplateAction$MenuWithRecent$Item.actionPerformed(NewTemplateAction.java:285)
        at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1764)
        at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1817)
        at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:419)
        at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:257)
        at javax.swing.AbstractButton.doClick(AbstractButton.java:289)
        at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1109)
        at javax.swing.plaf.basic.BasicMenuItemUI$MouseInputHandler.mouseReleased(BasicMenuItemUI.java:943)
        at java.awt.Component.processMouseEvent(Component.java:5093)
        at java.awt.Component.processEvent(Component.java:4890)
        at java.awt.Container.processEvent(Container.java:1566)
        at java.awt.Component.dispatchEventImpl(Component.java:3598)
        at java.awt.Container.dispatchEventImpl(Container.java:1623)
        at java.awt.Component.dispatchEvent(Component.java:3439)
        at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:3450)
        at java.awt.LightweightDispatcher.processMouseEvent(Container.java:3165)
        at java.awt.LightweightDispatcher.dispatchEvent(Container.java:3095)
        at java.awt.Container.dispatchEventImpl(Container.java:1609)
        at java.awt.Window.dispatchEventImpl(Window.java:1585)
        at java.awt.Component.dispatchEvent(Component.java:3439)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:450)
        at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:197)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:144)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:136)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:99)

Found 1 deadlock.