java.lang.AssertionError: Need to normalize /Users/Scherbatiy/NetBeansProjects/openjdk/tests/Modules2/build/generated-sources(class java.io.File) was /Users/Scherbatiy/NetBeansProjects/openjdk/tests/modules2/build/generated-sources(class java.io.File)
   at org.openide.filesystems.FileUtil.assertNormalized(FileUtil.java:154)
   at org.openide.filesystems.FileUtil.assertNormalized(FileUtil.java:138)
   at org.openide.filesystems.FileChangeImpl.addFileChangeListenerImpl(FileChangeImpl.java:220)
   at org.openide.filesystems.FileUtil.addFileChangeListener(FileUtil.java:295)
   at org.netbeans.modules.java.api.common.project.ui.JavaSourceNodeFactory$SourcesNodeList.addChangeListener(JavaSourceNodeFactory.java:208)
   at org.netbeans.spi.project.ui.support.NodeFactorySupport$DelegateChildren$1.run(NodeFactorySupport.java:207)
   at org.openide.util.RequestProcessor$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.AssertionError: Need to normalize /Users/Scherbatiy/NetBeansProjects/openjdk/tests/Modules2/build/generated-sources(class java.io.File) was /Users/Scherbatiy/NetBeansProjects/openjdk/tests/modules2/build/generated-sources(class java.io.File)
   at org.openide.util.RequestProcessor.post(RequestProcessor.java:420)
   at org.netbeans.spi.project.ui.support.NodeFactorySupport$DelegateChildren.addNotify(NodeFactorySupport.java:194)
   at org.openide.nodes.Children.callAddNotify(Children.java:575)
   at org.openide.nodes.EntrySupportDefault.getArray(EntrySupportDefault.java:650)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:121)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:172)
   at org.openide.nodes.Children.getNodes(Children.java:469)
   at org.openide.nodes.FilterNode$Children$DefaultSupport.updateKeys(FilterNode.java:1721)
   at org.openide.nodes.FilterNode$Children$DefaultSupport.update(FilterNode.java:1708)
   at org.openide.nodes.FilterNode$Children.addNotifyImpl(FilterNode.java:1499)
   at org.openide.nodes.FilterNode$Children.addNotify(FilterNode.java:1492)
   at org.openide.nodes.Children.callAddNotify(Children.java:575)
   at org.openide.nodes.EntrySupportDefault.getArray(EntrySupportDefault.java:650)
   at org.openide.nodes.EntrySupportDefault.getNodes(EntrySupportDefault.java:121)
   at org.openide.nodes.EntrySupportDefault.snapshot(EntrySupportDefault.java:99)
   at org.openide.nodes.Children.snapshot(Children.java:532)
   at org.openide.explorer.view.TreeView.expandNode(TreeView.java:608)
   at org.netbeans.modules.project.ui.ProjectTab.expandNode(ProjectTab.java:673)
   at org.netbeans.modules.project.ui.ProjectUtilities$2.run(ProjectUtilities.java:269)
   at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:749)
   at java.awt.EventQueue.access$500(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:702)
   at java.awt.EventQueue$3.run(EventQueue.java:696)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:719)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)