Spring MVC – View 렌더링 시 발생한 오류 잡기
출처 : http://www.mkyong.com/spring-mvc/spring-mvc-catch-the-exceptions-thrown-by-view-page/
Here’s the scenario, the controller returns a ModelAndView, and an exception is thrown while rendering the JSP view page, reason behind is one of message code is not found.
org.apache.jasper.JasperException: org.springframework.context.NoSuchMessageException:
No message found under code 'Diff.userform.password' for locale 'en_US'.
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:549)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:470)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
An exception is thrown and render an HTTP 500 error page directly.
1. Problem
Declared an exception handler globally, but still unable to catch the NoSuchMessageException
?
@ControllerAdvice
public class GlobalExceptionHandler {
private final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);
@ExceptionHandler(value = Exception.class)
public ModelAndView defaultErrorHandler(HttpServletRequest req,
Exception e) throws Exception {
logger.error("[URL] : {}", req.getRequestURL(), e);
ModelAndView mav = new ModelAndView();
mav.addObject("exception", e);
mav.addObject("url", req.getRequestURL());
mav.setViewName("error"");
return mav;
}
}
2. Solution
No, you can’t catch the exception which is thrown by the view page. The @ExceptionHandler
is used to catch the exceptions thrown by the Controller class only.
The best you can do is defined an error page in web.xml
<!-- This will catch Http 500 error -->
<error-page>
<error-code>500</error-code>
<location>/WEB-INF/views/jsp/error.jsp</location>
</error-page>
<!-- This will catch any exception -->
<error-page>
<location>/WEB-INF/views/jsp/error.jsp</location>
</error-page>
Tell me if you have a better solution :)
3. Servlet Filter
Alternatively, you can create a filter and intercepts the entire requests on your web application. If any exceptions are thrown, log it or do whatever you want.
package com.mkyong.form.web;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.support.WebApplicationContextUtils;
import com.mkyong.form.service.UserService;
public class ErrorHandleFilter implements Filter {
private final Logger logger = LoggerFactory.getLogger(ErrorHandleFilter.class);
//Your custom bean to handle error
ErrorHandlerSpecialForce errHandle;
@Override
public void destroy() {
// ...
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
//Get bean from Spring container
errHandle = (ErrorHandlerSpecialForce) WebApplicationContextUtils
.getRequiredWebApplicationContext(filterConfig.getServletContext())
.getBean("errorHandlerSpecialForce");
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
try {
// your code, do whatever
errHandle.handle(request, response);
chain.doFilter(request, response);
} catch (Exception ex) {
logger.error("Error : {}", ex); //log it
request.setAttribute("errorMessage", ex);
request.getRequestDispatcher("/WEB-INF/views/jsp/error.jsp")
.forward(request, response);
}
}
}
To register above filter, declares it in web.xml
<!-- must register this, else WebApplicationContext not found -->
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<filter>
<filter-name>errorHandlerFilter</filter-name>
<filter-class>com.mkyong.form.web.ErrorHandleFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>errorHandlerFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
Or declares it in an initializer class.
package com.mkyong.form.config.servlet3;
import javax.servlet.Filter;
import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
import com.mkyong.form.web.ErrorHandleFilter;
public class MyWebInitializer extends
AbstractAnnotationConfigDispatcherServletInitializer {
//...
@Override
protected Filter[] getServletFilters() {
return new Filter[]{new ErrorHandleFilter()};
}
}
References
'개발자' 카테고리의 다른 글
Cygwin 로컬 파일 권한 & 한글 문제 (0) | 2017.01.13 |
---|---|
Apache Tomcat 8 - Class Loader HOW-TO (0) | 2016.02.29 |
Gradle 설정 (0) | 2015.07.17 |
[MySql] 원격접속 설정 For Mac (0) | 2014.03.05 |
[PHP] Phalcon Framework 환경 구성 과정 (Mac OS X) (0) | 2014.01.14 |