java.lang.OutOfMemoryError: GC overhead limit exceeded
   at org.openide.loaders.FolderChildren$1R.getPositionedFolderChildrenPairs(FolderChildren.java:227)
   at org.openide.loaders.FolderChildren$1R.run(FolderChildren.java:204)
   at org.openide.util.RequestProcessor$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)