Heap Viewer - fixed memory leak, FALLBACK renderer should not be static

Author: jisedlac

visualvm/heapviewer/src/com/sun/tools/visualvm/heapviewer/ui/TreeTableViewRenderer.java

@@ -46,7 +46,8 @@
  */
 class TreeTableViewRenderer implements ProfilerRenderer {
 
-    private static final HeapViewerRenderer FALLBACK = new FallbackRenderer();
+    // Don't make this static, leaks the last rendered value -> model -> UI -> Universe
+    private /*static*/ final HeapViewerRenderer FALLBACK = new FallbackRenderer();
 
     private final Map<Class<? extends HeapViewerNode>, HeapViewerRenderer> lookup = new HashMap();