--- maven2-plugins/maven-assembly-plugin/src/main/java/org/apache/maven/plugin/assembly/utils/PropertiesInterpolationValueSource.java.sav13	2006-08-03 04:45:53.000000000 +0200
+++ maven2-plugins/maven-assembly-plugin/src/main/java/org/apache/maven/plugin/assembly/utils/PropertiesInterpolationValueSource.java	2010-12-10 01:15:03.000000000 +0100
@@ -2,6 +2,7 @@
 
 import org.codehaus.plexus.util.interpolation.ValueSource;
 
+import java.util.List;
 import java.util.Properties;
 
 
@@ -21,4 +22,8 @@
         return properties.getProperty( key );
     }
 
+    public List getFeedback() { return (List)null; }
+
+    public void clearFeedback() {}
+
 }