java.lang.NoClassDefFoundError: org.pr.usesystemdesktop.open.OpenWithDesktopAction
   at java.lang.Class.getDeclaredMethods0(Class.java:0)
   at java.lang.Class.privateGetDeclaredMethods(Class.java:2395)
   at java.lang.Class.getMethod0(Class.java:2642)
   at java.lang.Class.getMethod(Class.java:1579)
   at org.openide.loaders.InstanceNode.getNameForBean(InstanceNode.java:329)
   at org.openide.loaders.InstanceNode.getDisplayName(InstanceNode.java:407)
   at org.openide.nodes.FilterNode.getDisplayName(FilterNode.java:530)
   at org.openide.nodes.FilterNode.getDisplayName(FilterNode.java:530)
   at org.netbeans.core.windows.view.ui.toolbars.ConfigureToolbarPanel$ItemActionNode.getDisplayName(ConfigureToolbarPanel.java:447)
   at org.openide.explorer.view.VisualizerNode.getDisplayName(VisualizerNode.java:224)
   at org.openide.explorer.view.NodeRenderer.getTreeCellRendererComponent(NodeRenderer.java:129)
   at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(BasicTreeUI.java:2691)
   at javax.swing.tree.AbstractLayoutCache.getNodeDimensions(AbstractLayoutCache.java:475)
   at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.updatePreferredSize(VariableHeightLayoutCache.java:1342)
   at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(VariableHeightLayoutCache.java:1478)
   at javax.swing.tree.VariableHeightLayoutCache$TreeStateNode.expand(VariableHeightLayoutCache.java:1270)
   at javax.swing.tree.VariableHeightLayoutCache.ensurePathIsExpanded(VariableHeightLayoutCache.java:966)
   at javax.swing.tree.VariableHeightLayoutCache.setExpandedState(VariableHeightLayoutCache.java:164)
   at javax.swing.plaf.basic.BasicTreeUI.updateExpandedDescendants(BasicTreeUI.java:1554)
   at javax.swing.plaf.basic.BasicTreeUI$Handler.treeExpanded(BasicTreeUI.java:3647)
   at javax.swing.JTree.fireTreeExpanded(JTree.java:2235)
   at javax.swing.JTree.setExpandedState(JTree.java:3006)
   at javax.swing.JTree.expandPath(JTree.java:1742)
   at javax.swing.JTree.expandRow(JTree.java:1757)
   at org.netbeans.core.windows.view.ui.toolbars.ActionsTree.expandAll(ActionsTree.java:87)
   at org.netbeans.core.windows.view.ui.toolbars.ActionsTree.<init>(ActionsTree.java:76)
   at org.netbeans.core.windows.view.ui.toolbars.ConfigureToolbarPanel.run(ConfigureToolbarPanel.java:110)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:461)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
   at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:242)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:163)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:157)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:149)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:110)