servlets

问题 I have a few Java servlets (3.x - Tomcat 8) running that generate and return PDF documents. I've never had any problems with any of them. I recently wrote a new servlet to also create and return a PDF document, and this new servlet is using the exact same piece of response code as the others are using: response.reset(); response.setContentType("application/pdf"); response.setHeader("Content-Transfer-Encoding", "binary"); response.setHeader("Content-Disposition","attachment; filename=\""

问题 I have a few Java servlets (3.x - Tomcat 8) running that generate and return PDF documents. I've never had any problems with any of them. I recently wrote a new servlet to also create and return a PDF document, and this new servlet is using the exact same piece of response code as the others are using: response.reset(); response.setContentType("application/pdf"); response.setHeader("Content-Transfer-Encoding", "binary"); response.setHeader("Content-Disposition","attachment; filename=\""

问题 I'm passing an arraylist from servlet by setting it in the attribute and forwarding it to the jsp Servlet: ArrayList <String> mylist = new ArrayList <String>(); mylist.add("Superman"); mylist.add("batman"); mylist.add("flash"); request.setAttribute("mylist", mylist); request.getRequestDispatcher("Welcome.jsp").forward(request, response); response.sendRedirect("Index.jsp"); Index.jsp function doPopulateList(obj) { alert("HELLO"+obj.id +obj.name+obj.value); var select = document

问题 To get a servlet request in Struts 2 we can use either ServletRequestAware or ServletActionContext . However, in a particular internet resource, it is told that ServletRequestAware should be used instead of ServletActionContext . Does that have something to do with the fact that ServletActionContext will be a shared resource in a multi-threaded environment or is there any other reason behind this? 回答1: The ServletActionContext is a helper class that contains only static methods, one of them

问题 I have been reading this and this. After reading I found myself very confused with my basics now. Please help me out as it involves the basics of networking and JSPs & Servlets Consider this hypothetical situation: If I open some www.xyz.com on some browser and don't do anything on that page for day. Q.1 Would that mean that same connection still exists if next day I request something from that page. Considering Connection: keep-alive is there. Q.2 How does session works in this context -I

问题 I have been reading this and this. After reading I found myself very confused with my basics now. Please help me out as it involves the basics of networking and JSPs & Servlets Consider this hypothetical situation: If I open some www.xyz.com on some browser and don't do anything on that page for day. Q.1 Would that mean that same connection still exists if next day I request something from that page. Considering Connection: keep-alive is there. Q.2 How does session works in this context -I

来源： https://stackoverflow.com/questions/62509854/how-to-deploy-a-war-to-jetty-by-copying-to-jetty-home-webapps

来源： https://stackoverflow.com/questions/57044674/problem-with-mime-types-when-upgrading-to-tomcat-9

来源： https://stackoverflow.com/questions/57044674/problem-with-mime-types-when-upgrading-to-tomcat-9

来源： https://stackoverflow.com/questions/32459588/java-lang-illegalargumentexception-the-main-resource-set-specified-org-ecl