Print warning if in production mode and theme compilation is required (#12031)

Change-Id: I59030e7c0133d790f145d31f1614b7e8aaf7c04d

1 files changed, 12 insertions, 5 deletions

diff --git a/server/src/com/vaadin/server/VaadinServlet.java b/server/src/com/vaadin/server/VaadinServlet.java
index 05e3335c00..a3030c9d8d 100644
--- a/server/src/com/vaadin/server/VaadinServlet.java
+++ b/server/src/com/vaadin/server/VaadinServlet.java
@@ -742,11 +742,6 @@ public class VaadinServlet extends HttpServlet implements Constants {
     private boolean serveOnTheFlyCompiledScss(String filename,
             HttpServletRequest request, HttpServletResponse response,
             ServletContext sc) throws IOException {
-        if (getService().getDeploymentConfiguration().isProductionMode()) {
-            // This is not meant for production mode.
-            return false;
-        }
-
         if (!filename.endsWith(".css")) {
             return false;
         }
@@ -766,9 +761,21 @@ public class VaadinServlet extends HttpServlet implements Constants {
                             "Requested resource [{0}] not accessible in the VAADIN directory or access to it is forbidden.",
                             filename);
             response.setStatus(HttpServletResponse.SC_FORBIDDEN);
+
             // Handled, return true so no further processing is done
             return true;
         }
+        if (getService().getDeploymentConfiguration().isProductionMode()) {
+            // This is not meant for production mode.
+            getLogger()
+                    .log(Level.INFO,
+                            "Request for {0} not handled by sass compiler while in production mode",
+                            filename);
+            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
+            // Handled, return true so no further processing is done
+            return true;
+        }
+
         synchronized (SCSS_MUTEX) {
             String realFilename = sc.getRealPath(scssFilename);
             ScssStylesheet scss = ScssStylesheet.get(realFilename);