detach: manager=ExplorerManager[org.netbeans.core.DataSystem$RepositorySettingsPanel[,0,0,0x0,invalid,layout=java.awt.BorderLayout,alignmentX=null,alignmentY=null,border=,flags=0,maximumSize=,minimumSize=,preferredSize=]]
java.lang.Exception: Stack trace
	at java.lang.Thread.dumpStack(Thread.java:993)
	at org.openide.explorer.ExplorerActions.detach(ExplorerActions.java:97)
	at org.openide.explorer.ExplorerPanel.componentDeactivated(ExplorerPanel.java:130)
	at org.openide.windows.WindowManager.activateComponent(WindowManager.java:154)
	at org.netbeans.core.windows.WindowManagerImpl.activateComponent(WindowManagerImpl.java:705)
	at org.netbeans.core.windows.frames.DefaultContainerImpl.doActivateComponent(DefaultContainerImpl.java:558)
	at org.netbeans.core.windows.frames.DefaultContainerImpl.reactivateSelectedComponent(DefaultContainerImpl.java:732)
	at org.netbeans.core.windows.frames.DefaultContainerImpl$2.run(DefaultContainerImpl.java:891)
	at org.netbeans.core.windows.frames.DefaultContainerImpl$4.run(DefaultContainerImpl.java:906)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:154)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:337)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
	at java.awt.Dialog.show(Dialog.java:380)
	at org.netbeans.core.NbPresenter.superShow(NbPresenter.java:593)
	at org.netbeans.core.NbPresenter.access$100(NbPresenter.java:35)
	at org.netbeans.core.NbPresenter$3.run(NbPresenter.java:622)
	at org.netbeans.core.windows.RegistryImpl.attachExplorer(RegistryImpl.java:150)
	at org.netbeans.core.windows.WindowManagerImpl.attachExplorer(WindowManagerImpl.java:513)
	at org.netbeans.core.NbTopManager.attachExplorer(NbTopManager.java:343)
	at org.netbeans.core.NbPresenter.run(NbPresenter.java:620)
	at org.openide.util.Mutex.doEventAccess(Mutex.java:922)
	at org.openide.util.Mutex.readAccess(Mutex.java:162)
	at org.netbeans.core.NbPresenter.show(NbPresenter.java:597)
	at org.netbeans.core.NbNodeOperation$2.run(NbNodeOperation.java:145)
	at org.openide.util.Mutex.doEventAccess(Mutex.java:922)
	at org.openide.util.Mutex.readAccess(Mutex.java:162)
	at org.netbeans.core.NbNodeOperation.customize(NbNodeOperation.java:125)
	at org.openide.explorer.propertysheet.PropertySheet$CustomizationInvoker.run(PropertySheet.java:529)
	at org.openide.explorer.propertysheet.PropertySheet.invokeCustomization(PropertySheet.java:485)
	at org.openide.explorer.propertysheet.PropertySheetToolbar.actionPerformed(PropertySheetToolbar.java:130)
	at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1450)
	at javax.swing.AbstractButton$ForwardActionEvents.actionPerformed(AbstractButton.java:1504)
	at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:378)
	at org.openide.awt.EnabledButtonModel.setPressed(EnabledButtonModel.java:83)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:216)
	at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:230)
	at java.awt.Component.processMouseEvent(Component.java:3715)
	at java.awt.Component.processEvent(Component.java:3544)
	at java.awt.Container.processEvent(Container.java:1164)
	at java.awt.Component.dispatchEventImpl(Component.java:2593)
	at java.awt.Container.dispatchEventImpl(Container.java:1213)
	at java.awt.Component.dispatchEvent(Component.java:2497)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:2451)
	at java.awt.LightweightDispatcher.processMouseEvent(Container.java:2216)
	at java.awt.LightweightDispatcher.dispatchEvent(Container.java:2125)
	at java.awt.Container.dispatchEventImpl(Container.java:1200)
	at java.awt.Window.dispatchEventImpl(Window.java:926)
	at java.awt.Component.dispatchEvent(Component.java:2497)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:339)
	at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:131)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:98)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:85)