diff --git a/impl/src/main/java/org/apache/myfaces/application/viewstate/StateUtils.java b/impl/src/main/java/org/apache/myfaces/application/viewstate/StateUtils.java
index 25d4807..048dc06 100644
--- a/impl/src/main/java/org/apache/myfaces/application/viewstate/StateUtils.java
+++ b/impl/src/main/java/org/apache/myfaces/application/viewstate/StateUtils.java
@@ -367,6 +367,7 @@
             if (log.isLoggable(Level.FINE))
             {
                 log.fine("Processing state : " + string);
+                log.fine("Processing serialized viewstate string with hashCode : " + string.hashCode());
             }
 
             bytes = string.getBytes(ZIP_CHARSET);
diff --git a/impl/src/main/java/org/apache/myfaces/renderkit/html/HtmlResponseStateManager.java b/impl/src/main/java/org/apache/myfaces/renderkit/html/HtmlResponseStateManager.java
index 7dc9710..16d7a00 100755
--- a/impl/src/main/java/org/apache/myfaces/renderkit/html/HtmlResponseStateManager.java
+++ b/impl/src/main/java/org/apache/myfaces/renderkit/html/HtmlResponseStateManager.java
@@ -20,6 +20,7 @@
 
 import java.io.IOException;
 import java.util.Map;
+import java.util.logging.Level;
 import java.util.logging.Logger;
 
 import jakarta.faces.context.FacesContext;
@@ -113,6 +114,11 @@
         String serializedState = getStateCache(facesContext).getStateTokenProcessor(facesContext)
                 .encode(facesContext, savedState);
 
+        if (log.isLoggable(Level.FINE)) 
+        {
+             log.fine("Writing serialized viewstate string with hashCode : " + serializedState.hashCode());
+        }
+
         responseWriter.startElement(HTML.INPUT_ELEM, null);
         responseWriter.writeAttribute(HTML.TYPE_ATTR, HTML.INPUT_TYPE_HIDDEN, null);
         responseWriter.writeAttribute(HTML.NAME_ATTR, ResponseStateManager.VIEW_STATE_PARAM, null);