SWS-329

Author: poutsma

core/src/main/java/org/springframework/ws/soap/saaj/support/SaajContentHandler.java

@@ -92,7 +92,9 @@ public void startElement(String uri, String localName, String qName, Attributes
             for (Iterator iterator = namespaces.keySet().iterator(); iterator.hasNext();) {
                 String namespacePrefix = (String) iterator.next();
                 String namespaceUri = (String) namespaces.get(namespacePrefix);
-                child.addNamespaceDeclaration(namespacePrefix, namespaceUri);
+                if (!findParentNamespaceDeclaration(child, namespacePrefix, namespaceUri)) {
+                    child.addNamespaceDeclaration(namespacePrefix, namespaceUri);
+                }
             }
             element = child;
         }
@@ -101,6 +103,25 @@ public void startElement(String uri, String localName, String qName, Attributes
         }
     }
 
+    private boolean findParentNamespaceDeclaration(SOAPElement element, String prefix, String namespaceUri) {
+        String result = element.getNamespaceURI(prefix);
+        if (namespaceUri.equals(result)) {
+            return true;
+        }
+        else {
+            try {
+                SOAPElement parent = element.getParentElement();
+                if (parent != null) {
+                    return findParentNamespaceDeclaration(parent, prefix, namespaceUri);
+                }
+            }
+            catch (UnsupportedOperationException ex) {
+                // ignore
+            }
+            return false;
+        }
+    }
+
     public void endElement(String uri, String localName, String qName) throws SAXException {
         Assert.isTrue(localName.equals(element.getElementName().getLocalName()), "Invalid element on stack");
         Assert.isTrue(uri.equals(element.getElementName().getURI()), "Invalid element on stack");