When I do a redirect inside J2EE web application deployed on WebLogic it sends back to the client the following response: HTTP/1.1 302 Moved Temporarily Cache-Control: no-cache="set-cookie" Date: Sat, 12 Dec 2009 07:37:43 GMT Transfer-Encoding: chunked Location: http://server:port/front/page Set-Cookie: JSESSIONID=CDdjLjLHSLlGxzzBT7dmLC...
Spring JavaConfig makes possible to create spring applications without xml cotext configuration. And servlet 3.0 specification makes possible to create web applications without web.xml. So, is it possible to create spring web application not using any xml configuration? Is there any already implemented solution? PS At now I do not see ...
I'm a long-time web developer who's been focusing on ASP.NET/C# for the past 5 years. For my final Masters in Software Engineering project, my team is working with a local company to build them an app using Spring Web Flow (as that's their current tech stack). I don't know the first thing about building web sites with Java. In fact th...
How to make an excel file (and txt file) filled with data from a table on the html page in a servlet and send it to a browser? ...
Hi, I am new to servlets and jsps. I wanted to know what the best design would be for a sample problem I am trying to write code for. Here goes - I want to create a web site (www.example.com) that just lists the login history of every user (not any functionility any one wants but just an example for the sake of one). So there are two...
hi, i am new to java, my problem is i am sending a request to servlet from a jsp page ajax function the servlet process the data and returns a arraylist my question is how to handle the arraylist inside ajax and display it as a table in same jsp page. the code is function ajaxFunction ( ) { // var url= codeid.options[codeid.select...
I am creating a drop down list of all languages, with the language used when creating other info in the page as the default selected in the list: <select> <c:forEach items="${languages}" var="lang"> <c:choose> <c:when test="${lang}.equals(${pageLang})"> <option value="${lang}" selected>${lang}</option> </c:whe...
What is the difference between "A Web Server" and "A Servlet Container"? In general are all Web Servers Servlet(Web) Containers too or vice versa? I have been using Apache Tomcat for JSP and Apache for PHP but unable to figure out the exact difference between those two, where exactly lies the difference? I tried searching previous thre...
I have a web.xml which looks like: <web-app> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <security-constraint> <web-resource-collection> <web-resource-name>Default</web-resource-name> <url-pattern>/</url-pattern> </web-resource-collection> <auth-constraint/> </security-constraint> ...
Hi All, Is there a way to call a Java Servlet on click of hyperlink without using JavaScript? ...
In a web application's web.xml file, one can define initial parameters for servlets and filters by using the init-param element. Parameters defined here can then be retrieved by calling getServletConfig(). It does not seem possible to do the same with listeners, as the DTD only defines the listener-class element there. I would really ...
Is there any way for a java servlet/jsp to determine the webserver's session timeout (in seconds, minutes, etc...)? I tried looking in the HttpSession and System API, but didn't see any property for determining the webserver's session timeout. I know that this value is set in web.xml, but I am designing a java library which needs to dete...
Hi, I am trying out a simple implementation of a URL shortener such as tinyurl.com or bit.ly. Currently I do a response.sendRedirect(targetURL) in my servlet - which works fine for http/ftp target URLs. However, I'm having problems redirecting to targets such as file:///c:/temp (where c:\temp is of course on the local/client system). ...
We have next code. Sometimes we should wait 10-20-40 seconds on the last line. What can be the problem? Java 1.4 URL url = ...; HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoInput(true); conn.setDoOutput(true); conn.setUseCaches(false); conn.connect(); OutputStream out = conn.getOutputStream(); ObjectOu...
I was about to pick up some Java web programming since not having touched Java for a couple of years. I picked up an fairly old O'Reilly book that was sitting on my bookshelf (Java Server Pages 3rd Edition, covers JSP 2.0 & JSTL 1.1) and started skimming the pages. I went over to download the latest JSTL libraries and noticed that they a...
Hi, I'm doing a simple forum with a series of Servlets that each represent a home, topic, postedit, login and userlist page. On some of these pages there is a link that appears when a user isn't logged in. What I'd like to achieve is to trigger a redirection (using forward() on a RequestDispatcher) after a login so the browser goes bac...
All, I'm trying to find out, unambiguously, what method (GET or POST) Flash/AS2 uses with XML.sendAndLoad. Here's what the help/docs (http://livedocs.adobe.com/flash/9.0/main/wwhelp/wwhimpl/common/html/wwhelp.htm?context=LiveDocs%5FParts&file=00002340.html) say about the function Encodes the specified XML object into an XML d...
Can someone explain to me why ServletRequest.getParameterMap() returns type Map<String, String[]> ServletRequest.getParameter() just returns type String I'm don't understand why the map would ever map to more then one value. TIA. ...
How do I get a reference to the Tomcat Executor instances running within the web app? I need this so I can query basic information, such as thread pool size and utilization. ...
I am developing an application that needs to prevent multiple login using the same user name and password. If it happens on the same machine then obviously we need to do something with the user session, but it should also prevent if they are login on different machines using the same user name and password. We have to keep following th...