jetty/undertow: delete files first

Author: jknack

modules/jooby-jetty/src/main/java/io/jooby/internal/jetty/JettyContext.java

@@ -692,9 +692,9 @@ public void succeeded() {
 
   void responseDone() {
     try {
-      ifSaveSession();
-
       clearFiles();
+
+      ifSaveSession();
     } finally {
       if (listeners != null) {
         listeners.run(this);

modules/jooby-undertow/src/main/java/io/jooby/internal/undertow/UndertowContext.java

@@ -556,8 +556,8 @@ public Context setResetHeadersOnError(boolean value) {
 
   @Override
   public void onComplete(HttpServerExchange exchange, Sender sender) {
-    ifSaveSession();
     clearFiles();
+    ifSaveSession();
     sender.close(IoCallback.END_EXCHANGE);
   }