fix(core): show correct message if no handler request

Author: bndynet

src/main/java/net/bndy/wf/interceptors/AuthenticationInterceptor.java

@@ -24,8 +24,7 @@ public class AuthenticationInterceptor extends HandlerInterceptorAdapter {
 	private Logger logger = LoggerFactory.getLogger(this.getClass());
 
 	@Override
-	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
-			throws Exception {
+	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
 
 		// permission checking
 		User currentUser = ApplicationContext.getCurrentUser();

src/main/resources/templates/error.html

@@ -10,7 +10,8 @@
 		<div class="box">
 			<div class="box-body">
                 <img class="logo" src="/static/assets/img/logo.png" />
-				<h4 th:utext="${message}"></h4>
+				<h4 th:utext="${error}" th:if="${error!=null}"></h4>
+				<h4 th:utext="${message}" th:if="${error==null}"></h4>
 				<br />
 				<div th:inline="text" style="display:none;" th:if="${exception!=null}">
 					Failed URL: [[${url}]] <br />