java.lang.IllegalStateException: The data object D:\source\NetBeansProjects\SeldonManager2\plugins\grails-dynamic-jasper-0.2.zip is invalid; you may not call getNodeDelegate on it any more; see #17020 and please fix your code
        at org.openide.loaders.DataObject.getNodeDelegate(DataObject.java:270)
        at org.openide.loaders.DataObject.getClonedNodeDelegate(DataObject.java:306)
        at org.openide.loaders.FolderChildren.createNodes(FolderChildren.java:207)
        at org.openide.loaders.FolderChildren.createNodes(FolderChildren.java:66)
        at org.openide.nodes.Children$Keys$KE.nodes(Children.java:1608)
        at org.openide.nodes.EntrySupport$Lazy$EntryInfo.getNode(EntrySupport.java:1554)
        at org.openide.nodes.EntrySupport$Lazy$EntryInfo.getNode(EntrySupport.java:1520)
        at org.openide.nodes.EntrySupport$Lazy$LazySnapshot.get(EntrySupport.java:1782)
        at org.openide.nodes.FilterNode$Children$LazySupport$FilterNodeEntry.nodes(FilterNode.java:1866)
        at org.openide.nodes.EntrySupport$Lazy$EntryInfo.getNode(EntrySupport.java:1554)
        at org.openide.nodes.FilterNode$Children$LazySupport$FilterLazySnapshot.get(FilterNode.java:1734)
        at org.openide.nodes.FilterNode$Children$LazySupport$FilterNodeEntry.nodes(FilterNode.java:1866)
        at org.openide.nodes.EntrySupport$Lazy$EntryInfo.getNode(EntrySupport.java:1554)
        at org.openide.nodes.FilterNode$Children$LazySupport$FilterLazySnapshot.get(FilterNode.java:1734)
        at org.openide.nodes.EntrySupport$Lazy$LazySnapshot.get(EntrySupport.java:1777)
        at org.openide.nodes.EntrySupport$Lazy$LazySnapshot.get(EntrySupport.java:1765)
        at org.openide.explorer.view.VisualizerChildren.getChildAt(VisualizerChildren.java:115)
        at org.openide.explorer.view.VisualizerNode.getChildAt(VisualizerNode.java:318)
        at javax.swing.tree.DefaultTreeModel.getChild(DefaultTreeModel.java:156)
        at javax.swing.tree.FixedHeightLayoutCache$VisibleFHTreeStateNodeEnumeration.nextElement(FixedHeightLayoutCache.java:1506)
        at javax.swing.tree.FixedHeightLayoutCache$VisibleFHTreeStateNodeEnumeration.nextElement(FixedHeightLayoutCache.java:1461)
        at javax.swing.tree.AbstractLayoutCache.getPreferredWidth(AbstractLayoutCache.java:228)
        at javax.swing.plaf.basic.BasicTreeUI.updateCachedPreferredSize(BasicTreeUI.java:1825)
        at javax.swing.plaf.basic.BasicTreeUI.getPreferredSize(BasicTreeUI.java:1926)
        at javax.swing.plaf.basic.BasicTreeUI.getPreferredSize(BasicTreeUI.java:1914)
        at javax.swing.JComponent.getPreferredSize(JComponent.java:1632)
        at javax.swing.ScrollPaneLayout.layoutContainer(ScrollPaneLayout.java:769)
        at org.openide.explorer.view.TreeView$ExplorerScrollPaneLayout.layoutContainer(TreeView.java:1698)
        at java.awt.Container.layout(Container.java:1421)
        at java.awt.Container.doLayout(Container.java:1410)
        at java.awt.Container.validateTree(Container.java:1507)
        at java.awt.Container.validate(Container.java:1480)
        at org.openide.explorer.view.TreeView.access$101(TreeView.java:143)
        at org.openide.explorer.view.TreeView$3.run(TreeView.java:608)
        at org.openide.util.Mutex.readAccess(Mutex.java:362)
        at org.openide.util.Mutex$1R.run(Mutex.java:1301)
        at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1808)
        at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1320)
        at org.openide.util.Mutex.readAccess(Mutex.java:351)
        at org.openide.explorer.view.TreeView.validate(TreeView.java:606)
        at javax.swing.RepaintManager.validateInvalidComponents(RepaintManager.java:670)
        at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(SystemEventQueueUtilities.java:127)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        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:1051)
        at java.awt.Dialog$3.run(Dialog.java:1103)
        at java.security.AccessController.doPrivileged(AccessController.java:0)
        at java.awt.Dialog.show(Dialog.java:1101)
        at org.netbeans.core.windows.services.NbPresenter.superShow(NbPresenter.java:985)
        at org.netbeans.core.windows.services.NbPresenter.doShow(NbPresenter.java:1019)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:1007)
        at org.netbeans.core.windows.services.NbPresenter.run(NbPresenter.java:115)
        at org.openide.util.Mutex.doEventAccess(Mutex.java:1355)
        at org.openide.util.Mutex.readAccess(Mutex.java:268)
        at org.netbeans.core.windows.services.NbPresenter.show(NbPresenter.java:992)
        at java.awt.Component.show(Component.java:1516)
        at java.awt.Component.setVisible(Component.java:1468)
        at java.awt.Window.setVisible(Window.java:841)
        at java.awt.Dialog.setVisible(Dialog.java:991)
        at org.netbeans.core.windows.services.DialogDisplayerImpl$1AWTQuery.showDialog(DialogDisplayerImpl.java:232)
        at org.netbeans.core.windows.services.DialogDisplayerImpl.notify(DialogDisplayerImpl.java:248)
        at org.netbeans.core.windows.services.DialogDisplayerImpl.notify(DialogDisplayerImpl.java:146)
        at org.netbeans.core.NotifyExcPanel$2.run(NotifyExcPanel.java:295)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
        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)