java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.HashMap.resize(HashMap.java:703)
   at java.util.HashMap.putVal(HashMap.java:628)
   at java.util.HashMap.put(HashMap.java:611)
   at java.util.HashSet.add(HashSet.java:219)
   at org.openide.filesystems.MultiFileObject.update(MultiFileObject.java:211)
   at org.openide.filesystems.MultiFileObject.<init>(MultiFileObject.java:136)
   at org.openide.filesystems.MultiFileObject.createFile(MultiFileObject.java:560)
   at org.openide.filesystems.AbstractFolder.getChild(AbstractFolder.java:370)
   at org.openide.filesystems.AbstractFolder.getChild(AbstractFolder.java:341)
   at org.openide.filesystems.AbstractFolder.getChildren(AbstractFolder.java:258)
   at org.openide.filesystems.MultiFileObject.list(MultiFileObject.java:479)
   at org.openide.filesystems.AbstractFolder.getNewChildren(AbstractFolder.java:905)
   at org.openide.filesystems.AbstractFolder.refreshFolder(AbstractFolder.java:766)
   at org.openide.filesystems.AbstractFolder.refresh(AbstractFolder.java:947)
   at org.openide.filesystems.AbstractFolder.refresh(AbstractFolder.java:729)
   at org.openide.filesystems.MultiFileObject.refresh(MultiFileObject.java:546)
   at org.openide.filesystems.AbstractFolder.refresh(AbstractFolder.java:499)
   at org.openide.filesystems.MultiFileObject.refresh(MultiFileObject.java:1460)
   at org.openide.filesystems.MultiFileSystem.refresh(MultiFileSystem.java:179)
   at org.netbeans.core.ui.warmup.MenuWarmUpTask$NbWindowsAdapter.run(MenuWarmUpTask.java:321)
   at org.openide.util.RequestProcessor$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)