Turn the CORS filter off since it isn't working for me and I don't have time to investigate right now.

src/main/resources/WEB-INF/web.xml

@@ -17,6 +17,7 @@
     <filter-name>SetCacheControl</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>
+<!--
   <filter>
     <filter-name>CorsFilter</filter-name>
     <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
@@ -25,4 +26,5 @@
     <filter-name>CorsFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>
-</web-app>
+-->
+</web-app>