java.lang.UnsupportedOperationException: not running in regular module system, cannot restart
   at org.netbeans.core.startup.ModuleLifecycleManager.markReadyForRestart(ModuleLifecycleManager.java:124)
   at org.netbeans.core.startup.ModuleSystem.markForRestart(ModuleSystem.java:518)
   at org.netbeans.core.NbLifecycleManager.markForRestart(NbLifecycleManager.java:231)
   at org.netbeans.modules.autoupdate.pluginimporter.PluginImporter.importPlugins(PluginImporter.java:269)
   at org.netbeans.modules.autoupdate.pluginimporter.ImportManager.doImport(ImportManager.java:270)
   at org.netbeans.modules.autoupdate.pluginimporter.ImportManager.access$200(ImportManager.java:89)
   at org.netbeans.modules.autoupdate.pluginimporter.ImportManager$3$1.run(ImportManager.java:230)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.UnsupportedOperationException: not running in regular module system, cannot restart
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:420)
   at org.netbeans.modules.autoupdate.pluginimporter.ImportManager$3.actionPerformed(ImportManager.java:226)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:269)
   at java.awt.Component.processMouseEvent(Component.java:6578)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3343)
   at java.awt.Component.processEvent(Component.java:6343)
   at java.awt.Container.processEvent(Container.java:2259)
   at java.awt.Component.dispatchEventImpl(Component.java:4961)
   at java.awt.Container.dispatchEventImpl(Container.java:2317)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4898)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4533)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4474)
   at java.awt.Container.dispatchEventImpl(Container.java:2303)
   at java.awt.Window.dispatchEventImpl(Window.java:2758)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:761)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:712)
   at java.awt.EventQueue$3.run(EventQueue.java:706)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:88)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98)
   at java.awt.EventQueue$4.run(EventQueue.java:734)
   at java.awt.EventQueue$4.run(EventQueue.java:732)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:88)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:731)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:117)
   at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
   at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
   at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
   at java.awt.Dialog.show(Dialog.java:1070)
   at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:1085)
   at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1135)
   at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1107)
   at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:130)
   at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.doEventAccess(NbMutexEventProvider.java:138)
   at org.netbeans.modules.openide.util.NbMutexEventProvider$Event.readAccess(NbMutexEventProvider.java:98)
   at org.netbeans.modules.openide.util.LazyMutexImplementation.readAccess(LazyMutexImplementation.java:94)
   at org.openide.util.Mutex.readAccess(Mutex.java:218)
   at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:1092)
   at java.awt.Component.show(Component.java:1669)
   at java.awt.Component.setVisible(Component.java:1616)
   at java.awt.Window.setVisible(Window.java:1017)
   at java.awt.Dialog.setVisible(Dialog.java:1005)
   at org.netbeans.modules.autoupdate.pluginimporter.ImportManager$MyAction.actionPerformed(ImportManager.java:200)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1967)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2308)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:405)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:262)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:269)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:297)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:297)
   at java.awt.Component.processMouseEvent(Component.java:6578)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3343)
   at java.awt.Component.processEvent(Component.java:6343)
   at java.awt.Container.processEvent(Container.java:2259)
   at java.awt.Component.dispatchEventImpl(Component.java:4961)
   at java.awt.Container.dispatchEventImpl(Container.java:2317)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4898)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4533)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4474)
   at java.awt.Container.dispatchEventImpl(Container.java:2303)
   at java.awt.Window.dispatchEventImpl(Window.java:2758)
   at java.awt.Component.dispatchEvent(Component.java:4793)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:761)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:712)
   at java.awt.EventQueue$3.run(EventQueue.java:706)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:88)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:98)
   at java.awt.EventQueue$4.run(EventQueue.java:734)
   at java.awt.EventQueue$4.run(EventQueue.java:732)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:88)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:731)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)