BAEL-86:

- Small modification on exception handler, because we have only one resolver.
- Added exception resolver to web configuration.

spring-dispatcher-servlet/src/main/java/com/baeldung/spring/dispatcher/servlet/WebConfiguration.java

@@ -8,6 +8,7 @@ import org.springframework.context.support.ResourceBundleMessageSource;
 import org.springframework.ui.context.support.ResourceBundleThemeSource;
 import org.springframework.web.multipart.MultipartResolver;
 import org.springframework.web.multipart.support.StandardServletMultipartResolver;
+import org.springframework.web.servlet.HandlerExceptionResolver;
 import org.springframework.web.servlet.LocaleResolver;
 import org.springframework.web.servlet.ThemeResolver;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@@ -16,6 +17,7 @@ import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
 import org.springframework.web.servlet.i18n.CookieLocaleResolver;
 import org.springframework.web.servlet.i18n.LocaleChangeInterceptor;
+import org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver;
 import org.springframework.web.servlet.theme.CookieThemeResolver;
 import org.springframework.web.servlet.theme.ThemeChangeInterceptor;
 import org.thymeleaf.spring4.SpringTemplateEngine;
@@ -70,6 +72,7 @@ public class WebConfiguration extends WebMvcConfigurerAdapter {
     public MessageSource messageSource() {
         ResourceBundleMessageSource messageSource = new ResourceBundleMessageSource();
         messageSource.setBasename("messages");
+        messageSource.setFallbackToSystemLocale(false);
         return messageSource;
     }
 
@@ -118,4 +121,9 @@ public class WebConfiguration extends WebMvcConfigurerAdapter {
     public MultipartResolver multipartResolver() {
         return new StandardServletMultipartResolver();
     }
+
+    @Bean
+    public HandlerExceptionResolver handlerExceptionResolver() {
+        return new ExceptionHandlerExceptionResolver();
+    }
 }

spring-dispatcher-servlet/src/main/java/com/baeldung/spring/dispatcher/servlet/web/GlobalDefaultExceptionHandler.java

@@ -1,9 +1,7 @@
 package com.baeldung.spring.dispatcher.servlet.web;
 
-import org.springframework.core.annotation.AnnotationUtils;
 import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
-import org.springframework.web.bind.annotation.ResponseStatus;
 import org.springframework.web.servlet.ModelAndView;
 
 import javax.servlet.http.HttpServletRequest;
@@ -12,9 +10,6 @@ import javax.servlet.http.HttpServletRequest;
 public class GlobalDefaultExceptionHandler {
     @ExceptionHandler(Exception.class)
     public ModelAndView defaultErrorHandler(HttpServletRequest request, Exception e) throws Exception {
-        if (AnnotationUtils.findAnnotation(e.getClass(), ResponseStatus.class) != null) {
-            throw e;
-        }
         ModelAndView modelAndView = new ModelAndView();
         modelAndView.addObject("exception", e);
         modelAndView.addObject("url", request.getRequestURL());