Update alchemist-swingui/src/main/java/it/unibo/alchemist/boundary/swingui/monitor/impl/Generic2DDisplay.java

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: DanySK

alchemist-swingui/src/main/java/it/unibo/alchemist/boundary/swingui/monitor/impl/Generic2DDisplay.java

@@ -338,12 +338,16 @@ protected void drawEnvOnView(final Graphics2D g) {
             return;
         }
         accessData();
-        updateHookedNodeView();
-        final Map<Node<T>, Point> onView = computeNodesOnView();
-        g.setColor(Color.BLACK);
-        drawObstacles(g);
-        drawLinks(g, onView);
-        releaseData();
+        final Map<Node<T>, Point> onView;
+        try {
+            updateHookedNodeView();
+            onView = computeNodesOnView();
+            g.setColor(Color.BLACK);
+            drawObstacles(g);
+            drawLinks(g, onView);
+        } finally {
+            releaseData();
+        }
         moveSelectedNodesOnView(onView);
         g.setColor(Color.GREEN);
         if (effectStack != null) {