java.lang.OutOfMemoryError: Java heap space
   at java.util.Arrays.copyOfRange(Arrays.java:3664)
   at java.lang.StringBuffer.toString(StringBuffer.java:671)
   at org.netbeans.modules.editor.hints.AnnotationHolder$11.run(AnnotationHolder.java:1523)
   at org.netbeans.editor.BaseDocument.render(BaseDocument.java:1391)
   at org.netbeans.modules.editor.hints.AnnotationHolder.resolveWarnings(AnnotationHolder.java:1451)
   at org.netbeans.modules.editor.hints.HintsUI$4.run(HintsUI.java:1018)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)