java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.lang.String.substring(String.java:1969)
   at java.io.File.getParent(File.java:479)
   at java.io.File.getParentFile(File.java:499)
   at org.netbeans.modules.masterfs.filebasedfs.utils.FileInfo.getRoot(FileInfo.java:190)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getInstance(FileObjectFactory.java:129)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getInstance(FileObjectFactory.java:124)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.getFactory(BaseFileObj.java:650)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.refreshImpl(FolderObj.java:482)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.BaseFileObj.refresh(BaseFileObj.java:893)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.refresh(FolderObj.java:562)
   at org.openide.filesystems.FileObject.refresh(FileObject.java:1219)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory$AsyncRefreshAtomicAction.run(FileObjectFactory.java:910)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:519)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:420)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.refreshFromGetter(FileObjectFactory.java:918)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.issueIfExist(FileObjectFactory.java:325)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectFactory.getFileObject(FileObjectFactory.java:231)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.computeChildren(FolderObj.java:193)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FolderObj.getChildren(FolderObj.java:157)
   at org.openide.loaders.DataObjectPool.getTargets(DataObjectPool.java:728)
   at org.openide.loaders.DataObjectPool.access$600(DataObjectPool.java:60)
   at org.openide.loaders.DataObjectPool$FSListener.fileDeleted(DataObjectPool.java:647)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:181)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapperMulti.dispatchAllEventsSync(FCLSupport.java:248)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:137)
   at org.openide.filesystems.FCLSupport$1.run(FCLSupport.java:261)
   at org.openide.util.RequestProcessor$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)