From: Ilia Motornyi <elmot@vaadin.com>
Date: Thu, 19 Jul 2018 12:14:51 +0000 (+0300)
Subject: Fix removal tabsheets if last one is selected (#11074)
X-Git-Tag: 7.7.14~4
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=f19e029ff7261b89305e74ac4d3b9b1775b3f159;p=vaadin-framework.git

Fix removal tabsheets if last one is selected (#11074)

Backport #11070

Related to #10925
---

diff --git a/client/src/main/java/com/vaadin/client/ui/VTabsheet.java b/client/src/main/java/com/vaadin/client/ui/VTabsheet.java
index f2f831a9f7..906ac5700a 100644
--- a/client/src/main/java/com/vaadin/client/ui/VTabsheet.java
+++ b/client/src/main/java/com/vaadin/client/ui/VTabsheet.java
@@ -634,7 +634,7 @@ public class VTabsheet extends VTabsheetBase
 
             for (int i = oldPosition - 1; i >= 0; i--) {
                 Tab tab = getTab(i);
-                if (!tab.isHiddenOnServer()) {
+                if (tab != null && !tab.isHiddenOnServer()) {
                     return i;
                 }
             }