获取来自jsp errorpage 的exception 对象
1. 在web.xml 中配置(全局)
<error-page> <exception-type>javax.servlet.ServletException</exception-type> <location>/error/logJspExceptionToFile.do</location> </error-page>
或在jsp 页面中配置 (单页面)
<%@ page errorPage="/error/logJspExceptionToFile.do" %>
2.在servlet 中处理传过来的异常.
@WebServlet("/error/logJspExceptiontoFile.do") public class AppExceptionHandler extends HttpServlet { private static final long serialVersionUID = 1L; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processError(request, response); } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { processError(request, response); } private void processError(HttpServletRequest request, HttpServletResponse response) throws IOException { // Analyze the servlet exception Throwable throwable = (Throwable) request .getAttribute("javax.servlet.error.exception"); Integer statusCode = (Integer) request .getAttribute("javax.servlet.error.status_code"); String servletName = (String) request .getAttribute("javax.servlet.error.servlet_name"); if (servletName == null) { servletName = "Unknown"; } String requestUri = (String) request .getAttribute("javax.servlet.error.request_uri"); if (requestUri == null) { requestUri = "Unknown"; } } }