diff -r 000000000000 -r ad22b29e3a40 web/WEB-INF/glassfish-web.xml
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/WEB-INF/glassfish-web.xml	Wed Mar 29 15:03:25 2017 +0200
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE glassfish-web-app PUBLIC "-//GlassFish.org//DTD GlassFish Application Server 3.1 Servlet 3.0//EN" "http://glassfish.org/dtds/glassfish-web-app_3_0-1.dtd">
+<glassfish-web-app error-url="">
+  <context-root>/lightpit</context-root>
+  <class-loader delegate="true"/>
+  <jsp-config>
+    <property name="keepgenerated" value="true">
+      <description>Keep a copy of the generated servlet class' java code.</description>
+    </property>
+  </jsp-config>
+</glassfish-web-app>