Fix NPE if there's no query in the URI (#11836)

Change-Id: I8960e5917ffb0988e705599d1fe5e8aacf2654ef

diff --git a/uitest/src/com/vaadin/tests/components/AbstractTestUI.java b/uitest/src/com/vaadin/tests/components/AbstractTestUI.java
index 45809e3270c918b074a8015db5fa59556b13294a..ec6cf0c57dd970b18312e224381ea12e39e0f954 100644 (file)
--- a/uitest/src/com/vaadin/tests/components/AbstractTestUI.java
+++ b/uitest/src/com/vaadin/tests/components/AbstractTestUI.java
@@ -40,7 +40,8 @@ public abstract class AbstractTestUI extends UI {
 
     protected void warnIfWidgetsetMaybeNotCompiled() {
         // Ignore if using debug mode
-        if (getPage().getLocation().getQuery().matches(".*[&?]gwt\\.codesvr.*")) {
+        String query = getPage().getLocation().getQuery();
+        if (query != null && query.matches(".*[&?]gwt\\.codesvr.*")) {
             return;
         }