--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java	Tue Jun 21 14:33:00 2011 +0000
+++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java	Tue Jun 21 16:22:28 2011 +0000
@@ -212,9 +212,10 @@
                         List<Output> generated = generateOutputs(list, fs);
 
                         logger.debug("Found " + fs.size() + " current facets.");
-
-                        ProtocolUtils.appendOutputModes(
-                            creator, outs, generated);
+                        if (!generated.isEmpty()) {
+                            ProtocolUtils.appendOutputModes(
+                                creator, outs, generated);
+                        }
                     }
                     else {
                         logger.debug("No facets found for the current state.");
@@ -232,6 +233,8 @@
     protected List<Output> generateOutputs(List<Output> list, List<Facet> fs) {
         List<Output> generated = new ArrayList<Output>();
 
+        boolean debug = logger.isDebugEnabled();
+
         for (Output out: list) {
             Output o = new DefaultOutput(
                 out.getName(),
@@ -241,18 +244,27 @@
             Set<String> outTypes = new HashSet<String>();
 
             for (Facet f: out.getFacets()) {
-                outTypes.add(f.getName());
+                if (outTypes.add(f.getName()) && debug) {
+                    logger.debug("configured facet " + f);
+                }
             }
 
+            boolean facetAdded = false;
             for (Facet f: fs) {
                 String type = f.getName();
 
                 if (outTypes.contains(type)) {
+                    if (debug) {
+                        logger.debug("Add facet " + f);
+                    }
+                    facetAdded = true;
                     o.addFacet(f);
                 }
             }
 
-            generated.add(o);
+            if (facetAdded) {
+                generated.add(o);
+            }
         }
 
         return generated;