Servlets :: What Is Need Of Response Object
Feb 19, 2015Inspite of not returning anything, what is the purpose of response object in servlet? I have typically used or heard of only response.sendRedirect()
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Servlets :: How To Send A Response Of A Map As A Json
Oct 5, 2014@RequestMapping(value = { "/mapping" }, method = RequestMethod.GET)
@ResponseBody
public Map<A, List<B>> getAsByB(HttpServletRequest httpRequest) {
return map;
}
when i try to get it by url i get an error. how can i send a response of a map as a json ?
Servlets :: How To Access Ajax Response
Jul 23, 2014I have a requirement where a form is present with first name, last name, file upload etc. File upload is done through ajax call and then the form is submitted to a servlet. I want to know whether the file has been uploaded or not in the servlet which is called after i click on the form submit button. So is there any way i can read the response of the ajax call in the servlet ?
here is the ajax call below
$.ajaxFileUpload
(
{
url:_action,
[Code]...
Servlets :: Unable To Display Response To Web Browser
Jan 22, 2014i am using eclipse kepler and tomcat 7 with the below code to get a response from the browser. i get no errors on my code and i organize my imports but when i run the code i get an http 404 error. i restart the server and it goes into the whole motion telling me that "Tomcat v7.0 Server at localhost started and is synchonized" i refresh it and i still get the error.
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
[code]....
Servlets :: Calling To Download Soap Response File
Oct 2, 2014I have a class that do a soap request to a web service , the response is containing a base64 string repressing a file content , how can i send this string to a servlet (maybe any other way) to send it to the user as a downloaded file .
View Replies View RelatedServlets :: Cash Counter - How To Send Response To A New Window
Mar 3, 2015I am creating cash counter application. i want to generate a pdf receipt in new window and print it.
I am using jsp to take input from user and servlets to process the input.
I am able to generate a pdf but in same page. i want it to be a popup menu. How to implement it?
Servlets :: Write Output Stream After Response Has Been Committed By Server
Aug 6, 2014When do i get IllegalStateException in servlets.What it means by trying to write to the output stream (response) after the response has been committed by server. What it means by committing response and uncommitting response. cannot i send uncommitted response.
View Replies View RelatedServlets :: Response Content Type - Download CSV File With Records From DB
Jan 12, 2015This issue is regarding response from the servlet
I have written a code to download .csv file with records from DB.
To download records i am uploading a .CSV file containing telephone number.
After downloading the .CSV file page is not getting refreshed.
Below is the code snippet i am using,where i am setting response content type as test/csv.
ServletOutputStream op = resp.getOutputStream();
// Set content type of output
resp.setContentType("text/csv");
resp.setHeader("Content-Disposition", "attachment; filename="test"");
op.flush();
op.close();
How that page will get refreshed after csv file download or after response.
Servlets :: Using Static Variables Or Object Set?
Aug 6, 2014Can we use static variables or static objects in servlets ?? I want to restrict same user to enter into the application from different system when the user is already working, he needs to get a message saying "User is already in use ".
I have created static SET object in LoginServlet and inside doget() I checked if SET contains user ,if yes display him above message otherwise add the user in SET object and forward it to next page . Later while logging out user is removed from SET .
Can I follow any other approach other than using static object SET in servlets??
Servlets :: Create Corresponding Java Object?
Sep 18, 2014I get an json from http request. I want to create a corresponding Java object.
is there any automated mapping? Something called pojo or something else?
Servlets :: Send And Receive Object Between Client And Server
Jul 6, 2014I write a Client/Server program,trying to send and receive a object between client and server. I use the ObjectStream but there exists an EOFException on the client side when invoking readObject() .... I've tried many times but couldn't figure it out ...
server-side code
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
try{
ObjectOutputStream out = new ObjectOutputStream(resp.getOutputStream());
ObjectInputStream in = new ObjectInputStream(req.getInputStream());
PersonalData pe = (PersonalData)in.readObject();
System.out.println(pe.getYearlySalary());
[Code] .....
Servlets :: When HTTP Session Object Created In Web Application
Jul 17, 2014When does HTTP Session object is created in web application. Suppose I have a website. Home page of website is HTTP page which contains details of company and link to Login page.
Consider below mentioned user journey as scenario:
a. user arrives at home page of website
b. user click on Login page
c. user fill in login details on login page and click on Submit
d. user is successfully authenticated and authorized from back end
e. User specific page is shown
f. user click on logout link
g. user is successfully logged out from website
h. user is redirected to home page
i. user closes browser
In the above mentioned user journey,
a. at which step does HTTP session starts (means at which steps does HTTP Session object is created ? )
b. at which step does HTTP session ends ?
In case required, assume tech stack to be Java 7, Servlet 2.5, JSP, Tomcat 7, Apache web server (for static web contents).....
To Write Response Of Servlet Into PDF
Jul 29, 2014I am trying to print the response of servlet as pdf. Below is my codeI am able to generate the response but not quite sure how should I write it to a pdf.
package com.Hardik;
import java.io.*;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.ConnectException;
import javax.net.ssl.HttpsURLConnection;
[Code] .....
EJB / EE :: Cannot Create A Session After Response Has Been Committed
Jul 6, 2014I have a EAR enterprise project with EJB and Web module.EJB module has a SongTokenImpl stateless session bean with @Stateless and @Webservice annotation.Web module has SongServlet.java and success jsp.
SongServlet has dependency injection to SongTokenImpl.
@EJB
TicketMaster songMaster;
@EJB
ShoppingCart shoppingCart;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String songName = request.getParameter("songname");
Token token = tokentMaster.bookToken(new Song(songName));
System.out.println("we got song token for song "+token.getSongName());
[code]....
we got song token for song xyzInstead i see below error.SongServlet threw exception: java.lang.IllegalStateException: Cannot create a session after the response has been committed/
Servlets :: Can Access Session Object Even Session Is Time Out
Jun 4, 2014Can I access the session object even session has been expired? I need to check whether session is expired or not for each request.The session invalidation is set null the session object. What I concluded, session time out I can access session object but session invalidation I can not access session object. How can I find the session time out by using session object?
View Replies View RelatedWeb Services :: Send Attachment Along With SOAP Response?
Feb 18, 2015I have a SOAP Client with wsdl to send a query to a SOAP Server. Along with the SOAP response I am supposed to attach a generated csv file (Not required to open and read - just attach).
SOAP Handler has been implemented at server.
Since it is client code I am not supposed to paste the exact contents online.
I can create new SOAPMessage and use AttachmentPart to attach the file but I am stumped regarding where to set it as response. We have used only javax.xml and apache.cxf.
Command Line Output Response To Textfile
Aug 8, 2014I am trying to make a method that takes in a cmd command (nslookup, systeminfo, etc), and outputs the response to a text file. I have tried a dozen different ways with no success. below is my most current failure. It succeeds when i run it, but nothing shows up in the text file.
public static void runSystemCommand(String command) {
command = "ping 192.168.1.3";
try{
Process proc = Runtime.getRuntime().exec(command);
InputStream in = new BufferedInputStream(proc.getInputStream());
OutputStream out = new BufferedOutputStream(new FileOutputStream("C:NetPanelDataping.txt"));
[Code] ....
How To Get User Response To Hit And Stick Game Play
Mar 14, 2015I'm making a "very" basic blackjack game, and I'm stuck on how to get a user response to hit and stick game play.
import java.util.Random;
import java.util.Scanner;
class blackjack {
public static void main ( String[] args ) {
Random r = new Random();
Scanner keyboard = new Scanner(System.in);
String money;
String name;
[Code]...
I know people will want me to tidy it up, or do it "their" way, but honestly I just need method of getting the user to press h or s and have the program continue under it's own steam.
Web Services :: Print Axis2 Response / Request Xml
Nov 27, 2014I want to print RAW Request Response XML to console. I have created the stubs using wsdl2java axis2. wsdl2java has created 2 java files, one for stub and one for callbackhandler.
I am trying with below method but getting null value for
operationContext.getMessageContext("Out") / operationContext.getMessageContext("In");.
public void SOAPLogHandler(Stub stub){
ServiceContext serviceConxt = stub._getServiceClient().getServiceContext();
//**** Enable the Cache to hold the last operation
OperationContext OperationContext = new OperationContext();
boolean cacheLastOperationContext = true;
OperationContext.setComplete(true); // Enable the Cache value
serviceConxt.setCachingOperationContext(cacheLastOperationContext);
serviceConxt.setLastOperationContext(OperationContext);
[code]....
Web Services :: JAX-WS How To Log Request And Response On Client Side
Nov 27, 2014I am calling a SOAP based webservice using JAX-WS and a client jar. I want to get a request and response somehow and save it for audit purposes. How I can do this?
When I google it, only Handlers come up, but, as far as I understand, it is not applicable on client side.
JavaFX 2.0 :: Slow GUI Response When First Displaying Controls
Jun 15, 2015I have been using JavaFX for some time now and have encountered many performance issues, mainly with the initial display of GUI elements. For example, a simple stage with a table view (with about 10 columns) and chart takes about 5 seconds to display. A color picker will take about 3 seconds from the time I click the control to when it displays the pallet. This only happens when the controls are first displayed. This can't be right. I have searched and none seems to have a similar problem so I thought I would ask here just to make sure. Here is a sample Hello world that shows the problem with the color picker (takes ~ 3 seconds to show pallet when clicked).
public class HelloWorld extends Application
{
@Override
public void start(Stage primaryStage) {
StackPane root = new StackPane();
ColorPicker cp = new ColorPicker();
root.getChildren().add(cp);
[Code] .....
JSP :: Pass Array From Servlet In Response To JavaScript Call?
Oct 16, 2014I have an arraylist in my servlet which i need to pass to jsp as a response for a javascript call. This is an arraylist of DTOs. There are 24 DTO objects in the list. The DTO has an int variable and a HashMap. And i need to pass this into the javascript code in my jsp page. Do i use json? Do i send the entire list as a json object or should i iterate through the arraylist (from servlet) and serialize all the DTOs and pass that to the jsp?
View Replies View RelatedWeb Services :: Soap Web Service - How To Parse HTML Response
Mar 6, 2015i'm sending soap request but i'm getting html response it is leading to crash! how to parse html response?
View Replies View RelatedJSCH As Library Does Not Response From HTML Applet Call
Apr 12, 2014I work on SSH for creating a external tool to manage remote OS.
I find out the JSch library and i create the java GUI project as jar application, and worked for me very well. (i am working on Netbeans ).
I introduce the JSch library with Netbeans as follow. Right click on the Project-> Properties -> Libraries ->Compile ->Add JAR/Folder.
After that i try to transform the project to applet in order to work it form web server.
I made the transformation in all the code.
When i run the applet through the Netbeans it worked for me. When i build the project to create the jar file.
I create a folder with the my.jar file, index.html, a folder named (lib) which contains the jsch-0.1.50.jar file.
Then try to run the index.html, the GUI appear but cannot connect to the remote with the SSH, and does not give any error.
I think that the problem is that my.jar cannot communicate with the jsch-0.1.50.jar.
Why the project runs trough the Netbeans an does not run when i call it from the next html code.
index.html
Java Code:
<Html>
<Head>
<Title>Java Example</Title>
</Head>
<Body>
This is my page<br>
Below you see an applet<br>
<br>
<Applet Code="AppletUI.class" archive="my.jar" width=600 Height=700>
</Applet>
<Body>
</Body>
</Html> mh_sh_highlight_all('java');
Web Services :: XML Input File - Parse It And Give Response To Client
Dec 12, 2014New to webservices. Can i get to create webservice which takes xml input. Parse it and gives the response to client.
View Replies View RelatedJavaFX 2.0 :: Loading HTML Page With WebEngine - Invalid Response From Server
Apr 27, 2015I get this error when I load a HTML page with WebEngine. The HTML is getting generated by an own (Java-)ServerSocket. How can I figure out where the problem is? I can load the HTML file successfully when loading the(same) generated HTML file from the local filesystem. Maybe the http headers causing these problems ? On the other hand I can load the page without problems in Firefox. How to get more information ?
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