diff --git a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/AbstractPayloadMethodProcessor.java b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/AbstractPayloadMethodProcessor.java
index 805a24b0..d33a0481 100644
--- a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/AbstractPayloadMethodProcessor.java
+++ b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/AbstractPayloadMethodProcessor.java
@@ -69,7 +69,7 @@ public abstract class AbstractPayloadMethodProcessor extends TransformerObjectSu
 
     public final Object resolveArgument(MessageContext messageContext, MethodParameter parameter) throws Exception {
         Source requestPayload = getRequestPayload(messageContext);
-        return requestPayload != null ? resolveRequestPayloadArgument(requestPayload, parameter) : null;
+        return requestPayload != null ? resolveRequestPayloadArgument(parameter, requestPayload) : null;
     }
 
     /** Returns the request payload as {@code Source}. */
@@ -81,12 +81,12 @@ public abstract class AbstractPayloadMethodProcessor extends TransformerObjectSu
     /**
      * Resolves the given parameter, annotated with {@link RequestPayload}, into a method argument.
      *
-     * @param requestPayload the request payload
      * @param parameter      the parameter to resolve to an argument
+     * @param requestPayload the request payload
      * @return the resolved argument. May be {@code null}.
      * @throws Exception in case of errors
      */
-    protected abstract Object resolveRequestPayloadArgument(Source requestPayload, MethodParameter parameter)
+    protected abstract Object resolveRequestPayloadArgument(MethodParameter parameter, Source requestPayload)
             throws Exception;
 
     // MethodReturnValueHandler
diff --git a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/Dom4jPayloadMethodProcessor.java b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/Dom4jPayloadMethodProcessor.java
index 642b4192..a1a489b6 100644
--- a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/Dom4jPayloadMethodProcessor.java
+++ b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/Dom4jPayloadMethodProcessor.java
@@ -43,7 +43,7 @@ public class Dom4jPayloadMethodProcessor extends AbstractPayloadMethodProcessor
     }
 
     @Override
-    protected Object resolveRequestPayloadArgument(Source requestPayload, MethodParameter parameter)
+    protected Object resolveRequestPayloadArgument(MethodParameter parameter, Source requestPayload)
             throws TransformerException {
         if (requestPayload instanceof DOMSource) {
             org.w3c.dom.Node node = ((DOMSource) requestPayload).getNode();
diff --git a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/DomPayloadMethodProcessor.java b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/DomPayloadMethodProcessor.java
index cb3711f5..6e023fd0 100644
--- a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/DomPayloadMethodProcessor.java
+++ b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/DomPayloadMethodProcessor.java
@@ -43,7 +43,7 @@ public class DomPayloadMethodProcessor extends AbstractPayloadMethodProcessor {
     }
 
     @Override
-    protected Node resolveRequestPayloadArgument(Source requestPayload, MethodParameter parameter) throws Exception {
+    protected Node resolveRequestPayloadArgument(MethodParameter parameter, Source requestPayload) throws Exception {
         if (requestPayload instanceof DOMSource) {
             return resolveArgumentDomSource(parameter, (DOMSource) requestPayload);
         }
diff --git a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/JDomPayloadMethodProcessor.java b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/JDomPayloadMethodProcessor.java
index 5821a0fa..8b8c9d54 100644
--- a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/JDomPayloadMethodProcessor.java
+++ b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/JDomPayloadMethodProcessor.java
@@ -43,7 +43,7 @@ public class JDomPayloadMethodProcessor extends AbstractPayloadMethodProcessor {
     }
 
     @Override
-    protected Element resolveRequestPayloadArgument(Source requestPayload, MethodParameter parameter) throws Exception {
+    protected Element resolveRequestPayloadArgument(MethodParameter parameter, Source requestPayload) throws Exception {
         if (requestPayload instanceof DOMSource) {
             Node node = ((DOMSource) requestPayload).getNode();
             DOMBuilder domBuilder = new DOMBuilder();
diff --git a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/SourcePayloadMethodProcessor.java b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/SourcePayloadMethodProcessor.java
index d8b7d165..f3f246f1 100644
--- a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/SourcePayloadMethodProcessor.java
+++ b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/SourcePayloadMethodProcessor.java
@@ -46,7 +46,7 @@ public class SourcePayloadMethodProcessor extends AbstractPayloadMethodProcessor
     }
 
     @Override
-    protected Object resolveRequestPayloadArgument(Source requestPayload, MethodParameter parameter) throws Exception {
+    protected Object resolveRequestPayloadArgument(MethodParameter parameter, Source requestPayload) throws Exception {
         Class<?> parameterType = parameter.getParameterType();
         if (parameterType.isAssignableFrom(requestPayload.getClass())) {
             return requestPayload;
diff --git a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/XomPayloadMethodProcessor.java b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/XomPayloadMethodProcessor.java
index 547b9304..78fd47e9 100644
--- a/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/XomPayloadMethodProcessor.java
+++ b/core/src/main/java/org/springframework/ws/server/endpoint/adapter/method/XomPayloadMethodProcessor.java
@@ -51,7 +51,7 @@ public class XomPayloadMethodProcessor extends AbstractPayloadMethodProcessor {
     }
 
     @Override
-    protected Element resolveRequestPayloadArgument(Source requestPayload, MethodParameter parameter)
+    protected Element resolveRequestPayloadArgument(MethodParameter parameter, Source requestPayload)
             throws TransformerException, IOException, ParsingException {
         if (requestPayload instanceof DOMSource) {
             org.w3c.dom.Node node = ((DOMSource) requestPayload).getNode();