Add Serializable interface missing from some classes

3 files changed, 4 insertions, 4 deletions

diff --git a/src/com/vaadin/Application.java b/src/com/vaadin/Application.java
index 874455f3c0..23bac80e19 100644
--- a/src/com/vaadin/Application.java
+++ b/src/com/vaadin/Application.java
@@ -210,7 +210,7 @@ public class Application implements Terminal.ErrorListener, Serializable {
         }
     }
 
-    private static class PendingRootRequest {
+    private static class PendingRootRequest implements Serializable {
 
         private final Map<String, String[]> parameterMap;
         private final String pathInfo;
diff --git a/src/com/vaadin/external/json/JSONObject.java b/src/com/vaadin/external/json/JSONObject.java
index a9f94c117b..ba772933be 100644
--- a/src/com/vaadin/external/json/JSONObject.java
+++ b/src/com/vaadin/external/json/JSONObject.java
@@ -100,7 +100,7 @@ public class JSONObject implements Serializable {
      * whilst Java's null is equivalent to the value that JavaScript calls
      * undefined.
      */
-    private static final class Null {
+    private static final class Null implements Serializable {
 
         /**
          * There is only intended to be a single instance of the NULL object, so
diff --git a/src/com/vaadin/terminal/WrappedRequest.java b/src/com/vaadin/terminal/WrappedRequest.java
index 07a8721ea1..b2ce881bca 100644
--- a/src/com/vaadin/terminal/WrappedRequest.java
+++ b/src/com/vaadin/terminal/WrappedRequest.java
@@ -10,10 +10,10 @@ import java.io.Serializable;
 import java.util.Map;
 
 public interface WrappedRequest extends Serializable {
-    public interface BrowserDetails {
+    public interface BrowserDetails extends Serializable {
         public String getUriFragmet();
     }
-    
+
     /**
      * Get the named HTTP or portlet request parameter.
      *