1 files changed, 7 insertions, 0 deletions
diff --git a/branches/sca-java-1.x/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaImplementationFactoryImpl.java b/branches/sca-java-1.x/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaImplementationFactoryImpl.java
index 0cc78498e6..7d8c673e3f 100644
--- a/branches/sca-java-1.x/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaImplementationFactoryImpl.java
+++ b/branches/sca-java-1.x/modules/implementation-java/src/main/java/org/apache/tuscany/sca/implementation/java/impl/JavaImplementationFactoryImpl.java
@@ -56,6 +56,13 @@ public abstract class JavaImplementationFactoryImpl implements JavaImplementatio
     }
 
     public void addClassVisitor(JavaClassVisitor visitor) {
+    	for (JavaClassVisitor tmpVisitor : visitors){
+    		if (tmpVisitor.getClass() == visitor.getClass()){
+    			// trying to add a duplicate visitor so
+    			// ignore it 
+    			return;
+    		}
+    	}
         visitors.add(visitor);
     }