Index: src/com/caucho/hessian/client/HessianProxyFactory.java
===================================================================
--- src/com/caucho/hessian/client/HessianProxyFactory.java	(revision 5400)
+++ src/com/caucho/hessian/client/HessianProxyFactory.java	(working copy)
@@ -414,7 +414,7 @@
     } catch (IOException e) {
     }
     
-    handler = new HessianProxy(this, url);
+    handler = createInvocationHandler(url);
 
     return Proxy.newProxyInstance(loader,
                                   new Class[] { api,
@@ -520,6 +520,11 @@
     return create(apiClass, url);
   }
 
+  protected InvocationHandler createInvocationHandler(URL url)
+  {
+      return new HessianProxy(this, url);
+  }
+  
   /**
    * Creates the Base64 value.
    */