Index: trunk/src/org/openstreetmap/josm/gui/MapView.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/MapView.java	(revision 10940)
+++ trunk/src/org/openstreetmap/josm/gui/MapView.java	(revision 10941)
@@ -862,5 +862,5 @@
             }
         } catch (RuntimeException e) {
-            BugReport.intercept(e).put("center", () -> getCenter()).warn();
+            BugReport.intercept(e).put("center", this::getCenter).warn();
             return;
         }
Index: trunk/src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java	(revision 10940)
+++ trunk/src/org/openstreetmap/josm/gui/layer/AbstractTileSourceLayer.java	(revision 10941)
@@ -1434,9 +1434,9 @@
          */
         private List<Tile> allExistingTiles() {
-            return allTiles(p -> getTile(p));
+            return allTiles(AbstractTileSourceLayer.this::getTile);
         }
 
         private List<Tile> allTilesCreate() {
-            return allTiles(p -> getOrCreateTile(p));
+            return allTiles(AbstractTileSourceLayer.this::getOrCreateTile);
         }