diff options
-rw-r--r-- | server/src/com/vaadin/server/VaadinService.java | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/server/src/com/vaadin/server/VaadinService.java b/server/src/com/vaadin/server/VaadinService.java index 18dc468cb0..cfbf2606ae 100644 --- a/server/src/com/vaadin/server/VaadinService.java +++ b/server/src/com/vaadin/server/VaadinService.java @@ -905,7 +905,7 @@ public abstract class VaadinService implements Serializable { * * @param request * the request for which a UI is desired - * @return the UI belonging to the request + * @return the UI belonging to the request or null if no UI is found * */ public UI findUI(VaadinRequest request) { @@ -915,9 +915,11 @@ public abstract class VaadinService implements Serializable { // Get UI id from the request String uiIdString = request.getParameter(UIConstants.UI_ID_PARAMETER); - int uiId = Integer.parseInt(uiIdString); - - UI ui = session.getUIById(uiId); + UI ui = null; + if (uiIdString != null) { + int uiId = Integer.parseInt(uiIdString); + ui = session.getUIById(uiId); + } UI.setCurrent(ui); return ui; |