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-rw-r--r--server/src/com/vaadin/server/VaadinService.java2
1 files changed, 1 insertions, 1 deletions
diff --git a/server/src/com/vaadin/server/VaadinService.java b/server/src/com/vaadin/server/VaadinService.java
index ce7755f8f1..b99d4d2e55 100644
--- a/server/src/com/vaadin/server/VaadinService.java
+++ b/server/src/com/vaadin/server/VaadinService.java
@@ -59,7 +59,7 @@ public abstract class VaadinService implements Serializable {
*
* @author Vaadin Ltd
*/
- public static class VaadinServiceData {
+ public static class VaadinServiceData implements Serializable {
private final VaadinService vaadinService;
private LinkedList<UIProvider> uiProviders = new LinkedList<UIProvider>();