java.lang.NullPointerException
   at org.netbeans.modules.masterfs.filebasedfs.naming.NameRef.getIndex(NameRef.java:64)
   at org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory.cleanQueue(NamingFactory.java:313)
   at org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory.registerInstanceOfFileNaming(NamingFactory.java:179)
   at org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory.registerInstanceOfFileNaming(NamingFactory.java:143)
   at org.netbeans.modules.masterfs.filebasedfs.naming.NamingFactory.fromFile(NamingFactory.java:80)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.create(FileObjectFactory.java:417)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getOrCreate(FileObjectFactory.java:400)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.issueIfExist(FileObjectFactory.java:372)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getFileObject(FileObjectFactory.java:195)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getValidFileObject(FileObjectFactory.java:697)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem.getFileObject(FileBasedFileSystem.java:137)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedURLMapper.getFileObjects(FileBasedURLMapper.java:134)
   at org.netbeans.modules.masterfs.MasterURLMapper.getFileObjects(MasterURLMapper.java:65)
   at org.openide.filesystems.URLMapper.findFileObject(URLMapper.java:216)
   at org.openide.filesystems.FileUtil.toFileObject(FileUtil.java:1023)
   at org.netbeans.modules.java.j2seplatform.platformdefinition.Util.getExtensions(Util.java:205)
   at org.netbeans.modules.java.j2seplatform.platformdefinition.J2SEPlatformImpl.getBootstrapLibraries(J2SEPlatformImpl.java:230)
   at org.netbeans.modules.java.platform.classpath.PlatformClassPathProvider.findClassPath(PlatformClassPathProvider.java:83)
   at org.netbeans.api.java.classpath.ClassPath.getClassPath(ClassPath.java:593)
   at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator$1.run(ErrorAnnotator.java:317)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1424)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1968)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1465)
   at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator.enqueue(ErrorAnnotator.java:259)
   at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator.isInError(ErrorAnnotator.java:283)
   at org.netbeans.modules.parsing.impl.indexing.errors.ErrorAnnotator.annotateIcon(ErrorAnnotator.java:137)
   at org.netbeans.modules.masterfs.filebasedfs.FileBasedFileSystem$StatusImpl.annotateIcon(FileBasedFileSystem.java:316)
   at org.openide.loaders.DataFolder$FolderNode.getIcon(DataFolder.java:1221)
   at org.openide.nodes.FilterNode.getIcon(FilterNode.java:569)
   at org.openide.nodes.FilterNode.getIcon(FilterNode.java:569)
   at org.netbeans.modules.php.project.ui.logicalview.SrcNode$PackageNode.getIcon(SrcNode.java:247)
   at org.openide.nodes.FilterNode.getIcon(FilterNode.java:569)
   at org.openide.explorer.view.VisualizerNode.getIcon(VisualizerNode.java:559)
   at org.openide.explorer.view.NodeRenderer.configureFrom(NodeRenderer.java:214)
   at org.openide.explorer.view.NodeRenderer.getTreeCellRendererComponent(NodeRenderer.java:146)
   at javax.swing.plaf.basic.BasicTreeUI$NodeDimensionsHandler.getNodeDimensions(BasicTreeUI.java:2712)
   at javax.swing.tree.AbstractLayoutCache.getNodeDimensions(AbstractLayoutCache.java:475)
   at javax.swing.tree.FixedHeightLayoutCache.getBounds(FixedHeightLayoutCache.java:535)
   at javax.swing.tree.FixedHeightLayoutCache.getBounds(FixedHeightLayoutCache.java:181)
   at javax.swing.plaf.basic.BasicTreeUI.getPathBounds(BasicTreeUI.java:510)
   at javax.swing.plaf.basic.BasicTreeUI.getPathBounds(BasicTreeUI.java:503)
   at javax.swing.plaf.basic.BasicTreeUI$Handler.treeNodesChanged(BasicTreeUI.java:3756)
   at javax.swing.tree.DefaultTreeModel.fireTreeNodesChanged(DefaultTreeModel.java:468)
   at javax.swing.tree.DefaultTreeModel.nodesChanged(DefaultTreeModel.java:330)
   at javax.swing.tree.DefaultTreeModel.nodeChanged(DefaultTreeModel.java:261)
   at org.openide.explorer.view.NodeTreeModel$Listener.update(NodeTreeModel.java:286)
   at org.openide.explorer.view.VisualizerNode.run(VisualizerNode.java:461)
   at org.openide.util.Mutex.readAccess(Mutex.java:365)
   at org.openide.util.Mutex$1R.run(Mutex.java:1307)
   at org.openide.nodes.Children$ProjectManagerDeadlockDetector.execute(Children.java:1907)
   at org.openide.util.Mutex.doWrapperAccess(Mutex.java:1326)
   at org.openide.util.Mutex.readAccess(Mutex.java:354)
   at org.openide.explorer.view.VisualizerNode$QP.run(VisualizerNode.java:682)
   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:148)
   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)