Index: /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java	(revision 8112)
+++ /trunk/src/org/openstreetmap/josm/data/osm/visitor/paint/StyledMapRenderer.java	(revision 8113)
@@ -412,4 +412,5 @@
             Shape textOutline;
             if (gv == null) {
+                if (s.isEmpty()) return;
                 FontRenderContext frc = g.getFontRenderContext();
                 TextLayout tl = new TextLayout(s, text.font, frc);