java.lang.OutOfMemoryError: GC overhead limit exceeded
   at java.util.Arrays.copyOfRange(Arrays.java:3664)
   at java.lang.String.<init>(String.java:207)
   at java.lang.String.substring(String.java:1969)
   at java.util.StringTokenizer.nextToken(StringTokenizer.java:352)
   at org.openide.filesystems.PathElements.scanUpTo(PathElements.java:116)
   at org.openide.filesystems.PathElements.contains(PathElements.java:88)
   at org.openide.filesystems.PathElements$EnumerationImpl.hasMoreElements(PathElements.java:137)
   at org.openide.filesystems.AbstractFolder.find(AbstractFolder.java:275)
   at org.openide.filesystems.AbstractFileSystem.findResource(AbstractFileSystem.java:240)
   at org.openide.filesystems.MultiFileSystem.findResourceOn(MultiFileSystem.java:469)
   at org.openide.filesystems.MultiFileObject.update(MultiFileObject.java:208)
   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.check(AbstractFolder.java:664)
   at org.openide.filesystems.AbstractFolder.getFileObjectImpl(AbstractFolder.java:479)
   at org.openide.filesystems.AbstractFolder.getFileObject(AbstractFolder.java:475)
   at org.openide.filesystems.FileObject.getFileObject(FileObject.java:974)
   at org.netbeans.core.startup.preferences.PropertiesStorage.toPropertiesFile(PropertiesStorage.java:308)
   at org.netbeans.core.startup.preferences.PropertiesStorage$4.fileChanged(PropertiesStorage.java:387)
   at sun.reflect.GeneratedMethodAccessor6.invoke(GeneratedMethodAccessor6.java:0)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   at java.lang.reflect.Method.invoke(Method.java:497)
   at org.openide.util.WeakListenerImpl$ProxyListener.invoke(WeakListenerImpl.java:461)