java.lang.ClassNotFoundException: org.netbeans.cubeon.context.internal.TaskContextEditorPopupAction
   at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
Caused: java.lang.ClassNotFoundException: org.netbeans.cubeon.context.internal.TaskContextEditorPopupAction starting from SystemClassLoader[522 modules] with possible defining loaders null and declared parents [ModuleCL@417d26fc[org.netbeans.modules.php.phpdoc], ModuleCL@325e9e34[org.netbeans.modules.applemenu], ModuleCL@584479b2[org.netbeans.modules.tomcat5], ModuleCL@5a30cefd[org.netbeans.modules.db.sql.editor], ModuleCL@1b778d0c[org.netbeans.modules.xsl], ModuleCL@a200d0c[org.netbeans.modules.j2ee.dd.webservice], ModuleCL@78faa02[org.netbeans.modules.javascript.kit], ModuleCL@a32087b[org.netbeans.modules.whitelist], ModuleCL@20d75cf7[org.netbeans.modules.debugger.jpda.ant], ModuleCL@72d86c58[org.netbeans.modules.web.project], ...506 more]
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:264)
   at org.netbeans.ModuleManager$SystemClassLoader.loadClass(ModuleManager.java:582)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
   at org.openide.loaders.InstanceSupport.findClass(InstanceSupport.java:502)
   at org.openide.loaders.InstanceSupport.instanceClass(InstanceSupport.java:148)
   at org.openide.loaders.InstanceDataObject$Ser.instanceClass(InstanceDataObject.java:1313)
   at org.openide.loaders.InstanceDataObject.instanceClass(InstanceDataObject.java:788)
   at org.netbeans.modules.csl.core.GsfDataNode.getActions(GsfDataNode.java:107)
   at org.openide.nodes.FilterNode.getActions(FilterNode.java:756)
   at org.openide.nodes.FilterNode.getActions(FilterNode.java:756)
   at org.netbeans.modules.php.project.ui.logicalview.SrcNode$ObjectNode.getActions(SrcNode.java:308)
   at org.openide.nodes.FilterNode.getActions(FilterNode.java:756)
   at org.openide.nodes.NodeOp.findActions(NodeOp.java:161)
   at org.openide.explorer.view.TreeView.createPopup(TreeView.java:1068)
   at org.openide.explorer.view.TreeView$PopupAdapter.showPopup(TreeView.java:1558)
   at org.openide.awt.MouseUtils$PopupMouseAdapter.maybePopup(MouseUtils.java:189)
   at org.openide.awt.MouseUtils$PopupMouseAdapter.mousePressed(MouseUtils.java:180)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:263)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:262)
   at java.awt.Component.processMouseEvent(Component.java:6372)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
   at java.awt.Component.processEvent(Component.java:6140)
   at java.awt.Container.processEvent(Container.java:2083)
   at java.awt.Component.dispatchEventImpl(Component.java:4737)
   at java.awt.Container.dispatchEventImpl(Container.java:2141)
   at java.awt.Component.dispatchEvent(Component.java:4565)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4619)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4277)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4210)
   at java.awt.Container.dispatchEventImpl(Container.java:2127)
   at java.awt.Window.dispatchEventImpl(Window.java:2482)
   at java.awt.Component.dispatchEvent(Component.java:4565)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:684)
   at java.awt.EventQueue.access$000(EventQueue.java:85)
   at java.awt.EventQueue$1.run(EventQueue.java:643)
   at java.awt.EventQueue$1.run(EventQueue.java:641)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
   at java.awt.EventQueue$2.run(EventQueue.java:657)
   at java.awt.EventQueue$2.run(EventQueue.java:655)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:654)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:162)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)