--- a/flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java	Sat Jun 23 18:15:17 2012 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/jfree/XYStyle.java	Sun Jun 24 06:51:05 2012 +0000
@@ -4,6 +4,7 @@
 import java.awt.Color;
 import java.awt.geom.Ellipse2D;
 
+import org.apache.log4j.Logger;
 
 import org.w3c.dom.Document;
 
@@ -18,10 +19,13 @@
  */
 public class XYStyle implements Style {
 
+    private static Logger logger = Logger.getLogger(XYStyle.class);
+
     protected Document theme;
 
     protected XYLineAndShapeRenderer renderer;
 
+
     public XYStyle(Document theme) {
         this.theme = theme;
         this.renderer = null;
@@ -56,7 +60,13 @@
     /** Set line color to renderer. */
     protected void applyLineColor(XYLineAndShapeRenderer r, int idx) {
         Color c = ThemeUtil.parseLineColorField(theme);
-        r.setSeriesPaint(idx, c);
+        if(c != null) {
+            logger.debug("applyLineColor " + c.toString());
+            r.setSeriesPaint(idx, c);
+        }
+        else {
+            logger.warn("applyLineColor: color is null - malformed linecolor field?");
+        }
     }