servlets

How do i get ServletContext object in a simple class file?

Hello, I am creating a simple web application. I need to get reference to ServletContext object in that class. How can i get it? ...

JQuery uploadify plugin not working

Hello, I first used primefaces FileUpload component and it didn't work. Always gave "HTTP Error". So i thought there is some bug with this component and went to plain old JQuery and tried using uploadify. But still i get the same error. I am using Container Managed Security. Is this the reason for not working properly? This is my scrip...

In Documentum how to get absolute path of given object id

how to get the absolute path of given object id using java dfc in documentum. ...

How to use Facebooks Graph-API from a Servlet

Hi everyone, I need to access Facebook from a J2EE-App (serverside). I first had a look at this project: http://code.google.com/p/facebook-java-api/ , but as I need to create Facebook-Events and invite people this does not help. So I guess I need to use the Graph API, but Igot no clue on how to perform those HTTP POST requests needed -...

Sending XML to Servlet from Action Script

I have an ActionScript File sending XML to my servlet. I am only getting empty arrays on output. Anyone know what Exactly I'm doing wrong? output is: java.io.StreamCorruptedException: invalid stream header at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:764) at java.io.ObjectInputStream.(ObjectInput...

Using VRaptor3 with Tomcat UnpackWARs property setted to false

Hi there, I have to deploy my web app to a tomcat container with the unpackWARs property defined to false. When I do that, although the application is successfully deployed, when I try to access my url I always got a 404 error. I just don't receive that error when I try to access a direct file like index.html for instance. But I can't ...

How do I use jquery to both download & delete files dynamically from servlet

Is it possible to a jquery $.get() to call a servlet and use it to both download a file or update the page without reloading the page? (Or more basically, can I download a file without reloading the page?) For example, I am using a servlet that either returns a file to download of mimetype "application/octet-stream", or returns text to...

Why can't Java servlet sent out an object ?

I use the following method to send out an object from a servlet : public void doGet(HttpServletRequest request,HttpServletResponse response) throws IOException { String Full_URL=request.getRequestURL().append("?"+request.getQueryString()).toString(); String Contact_Id=request.getParameter("Contact_Id"); String Time_Stam...

in a J2EE application when does a listener get called?

I have a J2EE app and it has a listener in web.xml. Listener contains a method called contextInitialized I want to know when does contextInitialized actually get called? From my reading I understand that it gets called when deploying the application. Can there be situations/scenario's where it could be called after the application h...

Receiving XML from Actionscript on Servlet - Invalid Stream Header

I have an ActionScript File sending XML to my servlet. I am only getting empty arrays on output. In ActionScript I checked and I am in fact sending the correct XML. Anyone know what Exactly I'm doing wrong? Exception error is: java.io.StreamCorruptedException: invalid stream header package myDungeonAccessor; try { Sys...

@Resource annotated member not injected - bad code or bug?

I am using an @Resource annotation in a class instantiated in a ServletContextListener's contextInitialized(...) method, but the member is always null. Here's my sample code. Listener: public void contextInitialized(ServletContextEvent sce) { System.err.println("In contextInitialised"); new ResourceListenerTargetTest().executeMe();...

URL mapping in Servlets

I am building a site with JSPs and Servlets. How do I map a URL like this example.com/12345 so that I get the response as if the request was example.com/content.jsp?id=12345? ...

UnsupportedEncodingException thrown when using Resin and Grails

I've encountered a strange problem in a Grails webapp running under Grails: java.io.UnsupportedEncodingException is thrown quite frequently due to various unknown encoding strings (such as "ISO8859_10", "ISO-8859-10"), and the strange thing is that this is done entirely within the Resin and Grails code. That is - no custom code is invol...

After Filter redirects to login.jsp, proper servlet doesnt get called

My simple project structure is shown in this link. I am using Eclipse and Tomcat 6. There is login.jsp which submits its form to login_servlet. The login_servlet sets a session variable and then redirects to home.jsp. The home.jsp file has links to the 4 JSP files under a directory called /sam. In web.xml I have given the url-pattern as...

Problem with object serialization in Applet-Servlet communication

Hi guys, I spent a lot of time on thinking what is wrong with the following code. I send the object from my applet to servlet and then I read the object from servlet. Everything goes fine till reading serialized object from the servlet - I got IOException. Thank you in advance! Here is the code: Applet: try { URL servletURL =...

How to redirect a GWT app from the client side?

Hello there, As you may know, res.sendRedirect(url) on the servlet side does not work because the GWT client does not process it. Does anybody knows how to do this? Thanks you. Daniel ...

Servlet requests are executed sequentially for no apparent reason in Glassfish v3

Hi, I'm using Glassfish 3 Web profile and can't get http workers to execute concurrently requests on a servlet. This is how i observed the problem. I've made a very simple servlet, that writes the current thread name to the standard output and sleep for 10 seconds : protected void doGet(HttpServletRequest request, HttpServletResponse...

How to pass values from client side to server side ?

Hi All, I got a situation to transfer values from jsp to servlet's action class. Previously we did it using <input type="hidden" id="name" value="manoj" /> we take this value in action class by request.getParameter("name"). But now we couldn't pass value like "Hi\n i am\n Manoj". Since it has new line included in the string we...

Servlet's doGet not called from JSP form

I have this code on my JSP page <form action="LoginServlet" method="get"> <input type="text" name="username" /> <input type="text" name="password" /> <input type="submit" value="Submit" /> </form> and when I press Submit I get: The page cannot be displayed The page you are looking for is currently unavailable. T...

Injecting jms resource in servlet & best practice for MDB

using ejb 3.1, servlet 3.0 (glassfish server v3) Scenario: I have MDB that listen to jms messages and give processing to some other session bean (Stateless). Servelet injecting jms resource. Question 1: Why servlet can`t inject jms resources when they use static declaration ? @Resource(mappedName = "jms/Tarturus") private static Conne...