我有一个Java应用程序,一切都很好。然而,有一件小事困扰着我。
当一个人登录时,表单将被转发到验证信息的LoginServlet。当信息被验证后,用户将被重定向到dashboard.jsp。困扰我的是浏览器中的URL是“”而不是“”。我正在转发请求和响应对象,所以我需要使用RequestDispatcher,对吗?
如何确保URL读取“dashboard.jsp”而不是“LoginServlet.do”?
登录Servlet:
public class LoginServlet extends HttpServlet{
@Override
protected void do
我目前在所有jsp文件的顶部包含了以下内容:
<%@ include file="inc/inc_cookie_login.jsp"%>
<%@ include file="inc/inc_protect_page.jsp"%>
<%@ include file="inc/inc_log_access.jsp"%>
jsps分别具有check for cookie and set a user object in the session if cookie exists, prevents access to
Sep 28, 2015 2:51:20 PM org.apache.jasper.compiler.TldLocationsCache tldScanJar
INFO: At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning
我的webapplication.Now中有我的MVC架构,流程如下:
starter.jsp -> SERVLET ->view.jsp
现在view.jsp希望cetrtain请求参数出现在请求对象中。
当使用上述工作流调用view.jsp时,一切正常工作。如果直接调用view.jsp,则它不会在请求中获得预期的属性并将其转发到error.jsp
现在搜索引擎会直接调用view.jsp吗?或者它将从starter.jsp传播到view.jsp?
详细示例:
main page has a href to a article.
href ="servlet?id=xyz&
我正在尝试为除login.jsp之外的所有文件实现筛选器。我知道过滤器映射不能排除某些文件。我需要做的是创建另一个过滤器来仅映射login.jsp。如何创建另一个带有url模式/login.jsp且之后没有SessionFilter处理的文件?下面是我为所有文件进行会话筛选的部分代码。
public class SessionFilter implements Filter{
RequestDispatcher rd = null;
public void doFilter(ServletRequest request, ServletResponse response, Fi
The Struts dispatcher cannot be found. This is usually caused by using Struts tags without the associated filter. Struts tags are only usable when the request has passed through its servlet filter, which initializes the Struts dispatcher needed for this tag. - [unknown location]
at org.apac
我在控制器中定义了@ModelAttribute,它需要根据请求的方法输出执行。因此,当我尝试从JSP访问my ModelAttribute时,它产生了之前的结果。示例如下:
class MyController{
@modelAttribute("Address")
protected getAddress(HttpRequest req){
HttpSession sess = req.getSession();
return sess.getAttribute("Address");// For example now Address is