java.lang.ClassNotFoundException: org.netbeans.modules.uml.drawingarea.actions.MoveAction at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) Caused: java.lang.ClassNotFoundException: org.netbeans.modules.uml.drawingarea.actions.MoveAction starting from ModuleCL@e427ed[org.netbeans.modules.uml.diagrams] with possible defining loaders [ModuleCL@c02d83[org.netbeans.modules.uml.drawingarea]] and declared parents [ModuleCL@18b7298[org.openide.dialogs], ModuleCL@6dd108[org.openide.awt], ModuleCL@1bc93a7[org.netbeans.modules.uml.project], ModuleCL@105562b[org.jdesktop.layout], ModuleCL@13f5a2f[org.openide.windows], ModuleCL@55108e[org.netbeans.modules.uml], org.netbeans.MainImpl$BootClassLoader@6f7ce9, ModuleCL@cf70f[org.netbeans.api.visual], ModuleCL@1dba9f9[org.openide.nodes], ModuleCL@ba074a[org.netbeans.modules.uml.propertysupport], ...4 more] at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:259) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:320) Caused: java.lang.NoClassDefFoundError: org/netbeans/modules/uml/drawingarea/actions/MoveAction at org.netbeans.modules.uml.diagrams.engines.DefaultDiagramEngine.setActions(DefaultDiagramEngine.java:257) at org.netbeans.modules.uml.drawingarea.view.DesignerScene.attachNodeWidget(DesignerScene.java:325) at org.netbeans.modules.uml.drawingarea.view.DesignerScene.attachNodeWidget(DesignerScene.java:101) at org.netbeans.api.visual.graph.GraphScene.addNode(GraphScene.java:97) at org.netbeans.modules.uml.diagrams.engines.DefaultDiagramEngine.addWidget(DefaultDiagramEngine.java:365) at org.netbeans.modules.uml.drawingarea.persistence.readers.DefaultReader.addNodeToScene(DefaultReader.java:157) at org.netbeans.modules.uml.drawingarea.persistence.readers.DefaultReader.processGraphNode(DefaultReader.java:98) at org.netbeans.modules.uml.drawingarea.persistence.DiagramLoader.processGraphNode(DiagramLoader.java:585) at org.netbeans.modules.uml.drawingarea.persistence.DiagramLoader.handleStartElement(DiagramLoader.java:251) at org.netbeans.modules.uml.drawingarea.persistence.DiagramLoader.readXML(DiagramLoader.java:201) at org.netbeans.modules.uml.drawingarea.persistence.DiagramLoader.openDiagram(DiagramLoader.java:141) at org.netbeans.modules.uml.drawingarea.persistence.PersistenceManager.loadDiagram(PersistenceManager.java:201) at org.netbeans.modules.uml.drawingarea.UMLDiagramTopComponent.(UMLDiagramTopComponent.java:259) at org.netbeans.modules.uml.drawingarea.UMLDiagramManager.showDiagram(UMLDiagramManager.java:509) at org.netbeans.modules.uml.drawingarea.UMLDiagramManager.openDiagram(UMLDiagramManager.java:133) at org.netbeans.modules.uml.drawingarea.dataobject.UMLDiagramEditorSupport.openDiagramEditor(UMLDiagramEditorSupport.java:88) at org.netbeans.modules.uml.drawingarea.dataobject.UMLDiagramDataObject$OpenViewEdit.open(UMLDiagramDataObject.java:155) at org.netbeans.modules.uml.drawingarea.dataobject.UMLDiagramDataObject$OpenViewEdit.edit(UMLDiagramDataObject.java:167) at org.netbeans.modules.project.ui.ProjectUtilities$1.open(ProjectUtilities.java:110) at org.netbeans.modules.project.ui.ProjectUtilities.openProjectFiles(ProjectUtilities.java:518) at org.netbeans.modules.project.ui.OpenProjectList$8.run(OpenProjectList.java:1115) at org.netbeans.modules.project.ui.OpenProjectList$8.run(OpenProjectList.java:1112) at org.openide.util.Mutex$1AWTWorker.run(Mutex.java:1370) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:199) 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:1047) at java.awt.Dialog$3.run(Dialog.java:1099) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.awt.Dialog.show(Dialog.java:1097) at java.awt.Component.show(Component.java:1447) at java.awt.Component.setVisible(Component.java:1400) at java.awt.Window.setVisible(Window.java:824) at java.awt.Dialog.setVisible(Dialog.java:987) at org.netbeans.modules.project.ui.OpenProjectList.open(OpenProjectList.java:574) at org.netbeans.modules.project.ui.actions.OpenProject.actionPerformed(OpenProject.java:144) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273) at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272) at java.awt.Component.processMouseEvent(Component.java:6134) at javax.swing.JComponent.processMouseEvent(JComponent.java:3265) at java.awt.Component.processEvent(Component.java:5899) at java.awt.Container.processEvent(Container.java:2023) at java.awt.Component.dispatchEventImpl(Component.java:4501) at java.awt.Container.dispatchEventImpl(Container.java:2081) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4301) at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3965) at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3895) at java.awt.Container.dispatchEventImpl(Container.java:2067) at java.awt.Window.dispatchEventImpl(Window.java:2458) at java.awt.Component.dispatchEvent(Component.java:4331) at java.awt.EventQueue.dispatchEvent(EventQueue.java:599) 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)