Hi, I've developed an html page that sends information to a servlet. In the servlet, I am using the methods doGet and doPost: public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException, IOException { id = req.getParameter("realname"); password = req.getParameter("mypassword"); } public void doPo...
I have a Spring Web MVC application that I'd like to serve a large, partially generated file. I've added that file to my WebContent directory and all works fine there. However, I'd also like to access that file from my various build/deploy scripts, which read and parse the file. My current approach is to keep a copy of the file under t...
I'm writing a simple flight reservation application for one of my homeworks. My flight reservation web site has a login, registration, flight search, result display and confirmation JSP pages. I want to invoke servlets when the user attempts to perform an action, for example: The user goes to login.jsp and clicks the Login button, t...
There is a VERY similar question to mine but in my case I don't have any duplicate jars in my build path, so the solution does not work for me. I've searched google for a couple of hours now, but none of the solutions I've found there actually resolve my issue. I'm creating a web site with some database connectivity for a homework. I'...
I want to run the servlet in elipse. For this I have created a dynamic web project and I have deployed my servlet.java file under WEB-INF folder. I have also added servlet.jar file. How can I run the file as a java application? ...
I created custom tag file at "/WEB-INF/tags/test.tag" and add jsp define tag <@ taglib prefix="test" tagdir="/WEB-INF/tags/test.tag" %> but, I have a problem that is "cannot resolve driectory 'WEB-INF'" on IntelliJ IDEA 9. This source does not have any problems on Eclipse. ...
We are using JSF in our project (im pretty new to it) were every page have a back bean Java file. In order to move (redirect) from one page to another, i need to put all the parameters (search criteria) in the request scope before redirecting and then retrieve it back in the next page constructor. When you have few pages deep and you wa...
hi, i want to maintain db cache(some keywords) in the servlet.when i am typing for 'a' i ahve 1000 keywords in Db which starts with 'a' and presently i am using js file to store all the keywords in cache.this is asome--. iwant to maintain the DB cache in servlet also and decrese the browser cache and next hitting keyword matches in the ...
Could anyone please tell me, how can I handle the j_security_check servlet in Form based authentication in java? Do I have to map the servlet class with j_security_check name in web-xml file like: <servlet> <servlet-name>Anyname</servlet-name> <servlet-class>Anyclass</servlet-name> </servlet> <servlet-mapping> <servlet-name>Anyname</s...
Hi, I've created a servlet for sending the exception or error details to the webmaster. I get the details like this: Throwable throwable=null; Object codeObj, messageObj, typeObj; codeObj = request.getAttribute("javax.servlet.error.status_code"); typeObj = request.getAttribute("javax.servlet.error.exception_type"); throwable = (Th...
Hi, I've developed an application using Tomcat, Mysql and Servlets. One of the options the user can choose is to see on the web browser the information of one of the tables of a database. When the user chooses this option a servlet is used. This servlet opens a connection to the data base and iterates over the rows, showing the informat...
I am new to Servlets. I want to use a method which is called only once after deploying to server. I looked at HttpServlet#init(). But I figured out it is called with each request. Did I misunderstand it? What are the alternatives to init()? ...
I have a situation that seems to fit the Async Servlet 3.0 / Comet situation but all I need to do is return a 200 response code (or other) after accepting the incoming parameters. Is there a way for a HttpServlet to complete the http request/response handshake and yet continue processing? Something like... doPost( req, response ) { ...
I developing the servlet that should work 24/7. And I want to create some extensions mechanism: placing new jar in classpath must be detected by the main servlet and some class should loaded (without appserver restart). Purpose: main servlet recieves events and redirect data to process to loaded classes (extensions). Extensions implemen...
hi im trying to render the swf on jsp page i can show local files "waf.swf" but whenever i use the servlet address it fails on IE but works on firefox this is the servlet code ServletOutputStream out = response.getOutputStream(); response.setContentType("application/x-shockwave-flash"); response.setContentLength(length); response.setH...
how to generate HTML response in a servlet ...
due to this problem servllet does not execute on it. please help ...
Hi, I have recently created a web project in Java using eclipse. I have a servlet which includes a timer task. This timer tasks calls the "writeList" method of an XML Writing class that I have created. This all works fine, and I have verified that it runs every minute using System.out. When I run my XML Writing class from within eclips...
hi i am using sql server 2005 for my servlet jsp project, i am connecting it using jtds jdbc driver. the problem is it is working really good for 3 to 4 days but after that it throws error "Network Error IO Exception : Access Denied" unable to read file blah, blah .... then i have to detach the database and then attach it to mak...
My understanding is that a CGI spawns a separate executable process on the server each time but that a Servlet does not do that - but I'm not sure how to describe what happens with a servlet by comparison. Since the servlet exists inside the JVM and the JVM is a single process, where does the Servlet exist in relation to it? ...