Index: org.gvsig.desktop.plugin/org.gvsig.labeling.app/org.gvsig.labeling.app.mainplugin/src/main/java/org/gvsig/labeling/symbol/SmartTextSymbol.java
===================================================================
--- org.gvsig.desktop.plugin/org.gvsig.labeling.app/org.gvsig.labeling.app.mainplugin/src/main/java/org/gvsig/labeling/symbol/SmartTextSymbol.java	(revision 41630)
+++ org.gvsig.desktop.plugin/org.gvsig.labeling.app/org.gvsig.labeling.app.mainplugin/src/main/java/org/gvsig/labeling/symbol/SmartTextSymbol.java	(working copy)
@@ -226,8 +226,10 @@
 		if (!isShapeVisible()) return;
 
 		setMargin(0);
+		if (text=="") {
+			return;
+		}
 
-
 		char[] text_chars = text.toCharArray();
 		tp = new TextPath(g, geom, text_chars, getFont(),
 				(float) characterSpacing, (float) characterWidth, kerning,
Index: org.gvsig.desktop.library/org.gvsig.symbology/org.gvsig.symbology.lib/org.gvsig.symbology.lib.impl/src/main/java/org/gvsig/symbology/fmap/mapcontext/rendering/legend/styling/TextPath.java
===================================================================
--- org.gvsig.desktop.library/org.gvsig.symbology/org.gvsig.symbology.lib/org.gvsig.symbology.lib.impl/src/main/java/org/gvsig/symbology/fmap/mapcontext/rendering/legend/styling/TextPath.java	(revision 41630)
+++ org.gvsig.desktop.library/org.gvsig.symbology/org.gvsig.symbology.lib/org.gvsig.symbology.lib.impl/src/main/java/org/gvsig/symbology/fmap/mapcontext/rendering/legend/styling/TextPath.java	(working copy)
@@ -165,6 +165,9 @@
 		float interval = (float) gv.getVisualBounds().getWidth()/(gv.getNumGlyphs()*3);
 
 		PathLength pl = new PathLength(shape.getShape());
+		if (pl.lengthOfPath()==0.0f) {
+			return shape; 
+		}
 
 		GeneralPathX correctedPath = new GeneralPathX();
 		int controlPoints = 16;