diff -r d1036b776eee -r a94b172c3a93 web/WEB-INF/web.xml
--- a/web/WEB-INF/web.xml	Sat Dec 30 20:41:55 2017 +0100
+++ b/web/WEB-INF/web.xml	Sun Dec 31 17:43:39 2017 +0100
@@ -9,4 +9,16 @@
         <param-name>available-languages</param-name>
         <param-value>en,de</param-value>
     </context-param>
+    <error-page>
+        <error-code>404</error-code>
+        <location>/error/404</location>
+    </error-page>
+    <error-page>
+        <error-code>403</error-code>
+        <location>/error/403</location>
+    </error-page>
+    <error-page>
+        <error-code>500</error-code>
+        <location>/error/500</location>
+    </error-page>
 </web-app>