keycloak-aplcache

diff --git a/examples/demo-template/third-party/src/main/webapp/error.jsp b/examples/demo-template/third-party/src/main/webapp/error.jsp
new file mode 100644
index 0000000..7c17686
--- /dev/null
+++ b/examples/demo-template/third-party/src/main/webapp/error.jsp
@@ -0,0 +1 @@
+An error occurred. Click <a href="index.html"> to try again.
\ No newline at end of file

diff --git a/examples/demo-template/third-party/src/main/webapp/WEB-INF/web.xml b/examples/demo-template/third-party/src/main/webapp/WEB-INF/web.xml
index 958839d..9e72e01 100755
--- a/examples/demo-template/third-party/src/main/webapp/WEB-INF/web.xml
+++ b/examples/demo-template/third-party/src/main/webapp/WEB-INF/web.xml
@@ -9,6 +9,12 @@
     <listener>
         <listener-class>org.keycloak.example.oauth.Bootstrap</listener-class>
     </listener>
+
+    <error-page>
+        <exception-type>java.lang.RuntimeException</exception-type>
+        <location>/error.jsp</location>
+    </error-page>
+
     <!--
     <security-constraint>
         <web-resource-collection>