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Hosting Spring Boot Web Application using Embedded Jetty Application Server

by Han Bo Sun

In this tutorial, I am going to show the readers how to create an MVC application using Spring Boot, packaging as a self host WAR file, and execute using embedded Jetty application server.

How to Call RESTful API Web Service in Servlet

by markkang

In this article, I will introduce how to call RESTful API in servlet.

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Hosting Spring Boot Web Application using Embedded Jetty Application Server

by Han Bo Sun

In this tutorial, I am going to show the readers how to create an MVC application using Spring Boot, packaging as a self host WAR file, and execute using embedded Jetty application server.

How to Call RESTful API Web Service in Servlet

by markkang

In this article, I will introduce how to call RESTful API in servlet.

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Servlet

Regarding setting up the cash drawer with cloud ERP

19 Sep 2023 by Member 4246451

I have recently been working with the APG's cash drawer setup. I need with our existing cloud ERP (servlet-based) which uses JSP files to feed the pages in the web browser. I have recently bought a cash drawer 554A USB Pro cash drawers for APG...

What are the most used component library with spring MVC and struts

2 Mar 2022 by Dev Learning

I would like to develop an web application with Spring Mvc, hibernate and Mysql. I know there are many Component libraries that facilitate the development of web applications like Primeng for Angular, Telerik and Infragistics for Asp.Net MVC. ...

Getting error while creating servlet using servlet interface

20 Jan 2022 by Keshav 2022

The build is successful but I am unable to run the servlet as whenever I try to run I get 500-Internal Server error. Error snapshot attached for reference. It's giving some runtime exception. NetBeans IDE - 12.2 Apache Server -...

Getting error while creating servlet using servlet interface

20 Jan 2022 by thatraja

After quick search, found out that nb-javac plugin[^] solves the issue. Below threads confirms the same servlets - @WebServlet fails in Netbeans 11.0 with java.lang.RuntimeException: com.example.NewServlet.(NewServlet.java:1) - Stack...

Java servlet 404 the web page does not return result

28 Dec 2021 by four systems

That code works 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; ...

Java servlet 404 the web page does not return result

27 Dec 2021 by four systems

The web page that sends parameters to servlet does not return result instead 404 appears it has been deployed and web xml has the details The web page is Wow ...

I am developing project using maven after giving correct name of servlet in servlet mapping, still not working giving classnotfound exception?

22 Oct 2021 by HIMANSHU SRIVASTAVA Oct2021

**This is loginpage.jsp file in which i am assigning servlet and method.** ...

Already put the code with exception handling.still getting classnotfoundexception? Earlier the code was running fine, but now generating exception

14 Oct 2021 by HIMANSHU SRIVASTAVA Oct2021

```This register servlet class from where the exception is generating``` *Earlier the code was running fine on inputting fields in the page.But,after sometime it is generating this exception* package com.techblog.servlets; ...

How to solve caused by: java.net.sockettimeoutexception: read timed out

15 Aug 2021 by User 15041314

i am getting this error.This error occurs when I send the confirmation code to the email of the registered user, but either succeeds or fails. javax.mail.MessagingException: Exception reading response; nested exception is: ...

Is it possible to create web page like google.com in servlet framework?

25 Jun 2021 by User 15041314

Hi there, I am learning Servlet framework in Java and I created web project called this link GitHub - anar1996/EmployeeWebProject: I created web project called Employee with web project in Java.[^] So When I work myself own lesson, some idea goes...

Is it possible to create web page like google.com in servlet framework?

25 Jun 2021 by samsmith07

Yes, We can create a website using static HTML pages and style them using CSS.

Need to store location of data in table eg A1, A2, A3 using jsp servlet

3 May 2021 by Suchita@101

I have a table below and Need to store location of data eg ABC location A1, EFD location A2,UVW at C1 dynamically in database. 1 2 3 4 A ABC EFD GHI JKH B PQR EFR QAE IOJ ...

How do I create a view of two tables, depending on foreign key with java servlets?

5 Apr 2021 by laken1234

Hey guys! I am learning Java Servlets and trying to exercise with a project of my own. I am using two MySQL tables Users & Users Phones. As you can see from the attached files, each user can have multiple phone numbers. However I fail to make a...

How do I call a method using queryparam in java?

4 Apr 2021 by Member 15127345

I have a client-server web app using Java and JavaScript. I would like to call a path "delete" from a method deleteBook using queryParam. I've searched the Internet, but I'm not sure how to do this. The called method was supposed to delete a book...

How to display multiple blob image from mysql database in jsp and servlet based on where condition

28 May 2020 by Member 14846960

i want to upload and display blob img and text data from data base in jsp using in netbens 8 but showing some error in code .the code is below

How to display multiple blob image from mysql database in jsp and servlet based on where condition

28 May 2020 by Member 11432405

I want to display multiple blob images from database on basis of email id but i can only get one image and other image are associated with same email id is not displaying not displaying i need your help to display multiple images from database . What I have tried: package...

Data is not being updated

14 Apr 2020 by MadMyche

String sql = "update boq set hsn_Code='"+HSN_CODE+"', is_hsnConfirmed='"+HSNCODE_CONFIRMATION+"',gst_rate='"+gst_Rate+"',is_gstRate_confirmed='"+GST_RATE_Confirmation+"',item_Description='"+ITEM_DESC+"',Unit="+_Unit+"',Qty='"+_qty+"',...

Data is not being updated

14 Apr 2020 by Member 14639038

i have written the business logic in servlet to update the html table data using jsp. i am giving you the code: BOQServlet package com.mvc.controller; import java.io.IOException; import java.io.PrintWriter; import java.sql.Connection;...

Jsp page showing java.lang.numberformatexception: null

6 Apr 2020 by Member 3321282

_ID = Integer.parseInt(request.getParameter("id")); the request.getParameter("id") is not getting a value. this is because the page, i.e. http://server/BOQ-Form.jsp?id= The numberformatexception null is traced to the Integer.parseInt() not...

Jsp page showing java.lang.numberformatexception: null

6 Apr 2020 by Member 14639038

sir I have created jsp page for boq form to update the boq records. i have written the business logic in the jsp page to select the records based on the id first. when i run the this page. then the page showing the ...

Fileupload servlet showing nullpointer exception

19 Mar 2020 by Richard Deeming

You are calling req.getPart("Upload file");, but your has name="file1". I suspect the name passed to getPart needs to match the name attribute on the : filepart = req.getPart("file1"); Also your alternative MIME type is...

Fileupload servlet showing nullpointer exception

19 Mar 2020 by Member 14639038

dear sir, I have written a business logic in servlet : package com.rfmsSite.upload; import java.io.FileNotFoundException; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.sql.Connection; import...

Fileupload servlet showing nullpointer exception

19 Mar 2020 by OriginalGriff

This is one of the most common problems we get asked, and it's also the one we are least equipped to answer, but you are most equipped to answer yourself. Let me just explain what the error means: You have tried to use a variable, property, or a...

The servlet is not able to generate pdf file from jrxml file

19 Feb 2020 by Richard MacCutchan

You already posted this question at Saving jsp output as pdf[^]. Please do not repost.

Project is giving me sqlgrammar exception

1 Feb 2020 by Member 14639038

rfms_excel.java-> package com.rfmsProject.upload; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.sql.SQLException; import java.util.Iterator; import javax.servlet.RequestDispatcher; import...

Project is giving me sqlgrammar exception

1 Feb 2020 by phil.o

ERROR: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'FTS, Hospitalityexpense, Krishi_KalyanExpenses, manpowerExpensesContract, Manpow' at line 1 You made a mistake while building your SQL query. And despite...

Unable to upload the excel data to the database thorough jsp , servlet

26 Nov 2019 by Member 14639038

reaadExcelServlet.java package com.mvc.upload; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.sql.Connection; import java.sql.DriverManager; import java.sql.PreparedStatement; import java.util.ArrayList; import...

Textarea field in jsp to servlet not working

24 Oct 2019 by Member 12974741

Experts, I have a JSP form page which has Text Area field.I have a string contains 300 lines. when I paste the content in text area field, it accepting the content.but when i submit the form, page got stuck there only and not moving to servlet. If I give less than 50/60 lines....

How to display image from local path to Jsp

11 Oct 2019 by JImit Jani

you have to call Servlet from image src in jsp and set var path in QueryString put jsp like this.... servlet code this.filePath =request.getparameter('path');

How to display image from local path to Jsp

11 Oct 2019 by Raghavendra M

I am trying to display an image throw jsp. Image is stored in local path so I wrote a servlet get method to retrieve image and in src attribute of image tag I am giving the servlet name and image path as parameter to servlet and here is my code,import java.io.BufferedInputStream;import...

Hosting Spring Boot Web Application using Embedded Jetty Application Server

13 Feb 2019 by Han Bo Sun

In this tutorial, I am going to show the readers how to create an MVC application using Spring Boot, packaging as a self host WAR file, and execute using embedded Jetty application server.

What is byte array format for uploading to GCS?

27 Nov 2018 by Richard MacCutchan

Looking at the ByteArrayInputStream (Java Platform SE 7 )[^] documentation it would appear that this parameter is a staging buffer for reading the input stream. You need to provide a buffer of some number of bytes for the upload to use.

What is byte array format for uploading to GCS?

27 Nov 2018 by ruggedtexts

The following code is from this link starting on line 85. I'm a beginner in Java and Google Cloud Storage. I understand all of it except for the second parameter, "file", that is to be the byte array format. If I have a video that is 100GB what would the byte array parameter be? * Uploads...

How do I populate a dropdownlist in jsp using servlet?

2 Nov 2018 by Sriyashree Swain

I am a beginner in jsp and servlets. I want to stay in the same page and populate the dropdownlist but iam not able to so. I did it using scriplets and it happened but scriplets are deprecated long back. I just want to know more about servlet mapping in web.xml. I guess something is wrong with...

Error in database fetching data servlet program

9 Sep 2018 by Richard MacCutchan

You have spelled it class , but it should be Class with upper case C at the beginnng. See Class (Java Platform SE 7 )[^].

Error in database fetching data servlet program

9 Sep 2018 by Member 13977881

C:\J2ee\Servlet>javac RequestServlet.java RequestServlet.java:17: error: expected class.forName("Oracle.jdbc.driver.OracleDriver"); ^ RequestServlet.java:17: error: invalid method declaration; return type required ...

Blank page is coming as output

23 Aug 2018 by Patrice T

Never insert data before checking if all fields are ok. String sql="insert into Employee Values ('"+id+"' '"+pwd+"' '"+eAdd+"' '"+gender+"' '"+email+"' '"+lang+"' '"+nation+"' '"+date+"')"; st.executeUpdate(sql); // this line if(id !=null | pwd != null | eAdd!=null |...

Blank page is coming as output

23 Aug 2018 by Member 13681858

Quote: i'm trying to insert employee details in sql database but when i run the program it is showing the registration page after entering details output is not showing as blank page What I have tried: web.xml

HTTP status 500 - unable to compile class for JSP:

16 Aug 2018 by Member 9983063

Hello Guys am working on jsp project this project made by my seniors now they left and i really just little bit sound knowledge of jsp please help me when i run this project so am getting this errors please help how can i solve it. HTTP Status 500 - Unable to compile class for JSP: type...

HTTP status 500 - unable to compile class for JSP:

16 Aug 2018 by Jerry Jeremiah

Shouldn't the import of com.apv.erp.resource.DbHandler be com.apv.erp.resource.DbHandler.* and the import of com.apv.erp.resource.PersistenceFactory be com.apv.erp.resource.PersistenceFactory.* ?

How to auto increment user id in mysql in java

9 Aug 2018 by Member 9671810

cannot auto increment id in above code { String sql = "insert into artist_reg_ml (id,uname,pwd,email,country) values (?,?,?,?,?)"; PreparedStatement pst = conn.prepareStatement(sql); pst.setString(1, "5"); pst.setString(2, uname); ...

How can I know the webpage that calls a servlet?

3 Jul 2018 by MadMyche

request.getHeader("referer");

How can I know the webpage that calls a servlet?

3 Jul 2018 by Member 13576671

Hello I have a webpage with a forms that when it submits, runs a servlet. In that servlet I need to know the webpage who calls the servlet. How can I do? I´m using Java 8. Thanks What I have tried: I try with several methods of HttpServletRequest, as getQueryString, getServletPath,...

How to resolve issue nullpointerexception while calling EJB method using @EJB injector

8 May 2018 by khaleelsyed

When i call a EJB method from the servlet page i am getting the following error.. org.apache.catalina.core.StandardWrapperValve invoke SEVERE: Servlet.service() for servlet [info.java.tips.servlet.MyServlet2] in context with path [/MyFirstWebApplication] threw exception...

Java servlets: request.getattribute always retun null.

6 May 2018 by Richard MacCutchan

String Message = "msg"; /*Set attribute msg of Message*/ request.setAttribute(Message, "msg"); // so the attribute name is "msg" ... String s = "msg"; if (s == request.getAttribute("Message")) // but the attribute name is not "Message" Your attribute names are...

Java servlets: request.getattribute always retun null.

6 May 2018 by shihappns

Function addiFAbssent in class DepartmentBean check if element already exist in container: What I have tried: bool f; public void addIfAbsent(UserBean userBean) { if (users.stream().anyMatch(x -> x.getUsername().equals(userBean.getUsername()))) { f = false; ...

Getting exported crystal report as bytearrayoutputstream for saving into database

18 Apr 2018 by Nima.hashemian

I am getting a crystal report from the server and I need to save the pdf file automatically into database. How can I get the exported crystal report as ByteArrayOutputStream What I have tried: ReportExportControl exportControl = new ReportExportControl(); ...

How to use public void handlerequest() throws ioexception after public static void main(string[] args)

30 Mar 2018 by NebroProg

I have : public static void main(String[] args) throws IOException { public void handleRequest(HttpServletRequest req , HttpServletResponse res ) throws IOException { //my code here } } error in public void handleRequest() say the illegal start of the exception What I have tried: ...

How to select data from two different databases and display in table format

29 Mar 2018 by Richard Deeming

First problem: You're trying to UNION two sets with a different number of columns. You can only UNION sets with the same number of columns: MySQL :: MySQL 5.7 Reference Manual :: 13.2.9.3 UNION Syntax[^] I suspect you want to JOIN the tables instead: MySQL :: MySQL 5.7 Reference Manual ::...

How to select data from two different databases and display in table format

29 Mar 2018 by Member 13752376

I am trying to display data from two different database, database1:cover > Table:firmlist database2:userdata >Table:admin How to get database connectivity for two different database? What I have tried:

How to use res httpservletresponse as general variable

25 Mar 2018 by NebroProg

I have HttpServletRequest req and HttpServletResponse res wont to use req and res variables in another place in code. and I have another problem in if statement when I was pass function in compression What I have tried: @WebServlet(name = "NaiveBayesExample", urlPatterns =...

How do I implement the servlet as a jsp?

21 Feb 2018 by Vignesh Swaminathan

package net.roseindia.handler; import java.io.IOException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import...

Pagination concept using servlet-hibernateintegration.

17 Feb 2018 by ThilinaMD

try this code int pageNo = 1; if (request.getParameter("pageNo") != null) { pageNo = Integer.parseInt(request.getParameter("pageNo")); } instead of int pageNo=Integer.parseInt(request.getParameter("pageNo")); Error is caused due to at first when your servlet load there is no value for...

Pagination concept using servlet-hibernateintegration.

17 Feb 2018 by Member 13681858

@WebServlet("/PagenationServle...

How to compare in hashmap

28 Oct 2017 by Member 13483093

i have a room booking html form if the room and floor is already booked i need to send it errorpage.jsp , itried this using treemap but i dont know how compare the getparam values and map values please tell the syntax What I have tried: package com; import java.io.File; import...

Room booking using jsp and servlet

24 Oct 2017 by Member 13483093

i have created login user and password in jsp using textfile (not used database) and i have a form for room booking ,once the room booked by one user it should not be booked by the next user who login the web app .please tell me how to proceed without using database.please help me as im new...

Room booking using jsp and servlet

24 Oct 2017 by Patrice T

Quote: please tell me how to proceed without using database. Bad idea, the reason why everyone use databases is because they are efficient. If you have 50 rooms, 1 year of booking can be 18000 records, and you will have to read every single record for every single request, even worse every time...

I want to develop a java project to incoporate lan chat and file sharing

6 Oct 2017 by OriginalGriff

Then good luck to you: but we are not here to monitor your progress, or do your homework. Either this is: 1) Homework and you want us to do it - and we don't do that: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there...

How to hide a tab in java based on the user role

13 Aug 2017 by Member 12324523

In my application I have three listitems File Upload,View Reports and Change Password. I need to hide View Reports if the login is by normal user and i need to display View Reports if the login is by manager. Below is the code of my tabs Code in master page- ...

How to hide a tab in java based on the user role

13 Aug 2017 by Richard MacCutchan

Try using the style attribute, as described at HTML DOM Style visibility Property[^].

How to pass the file path dynamically from jsp to servelet dynamically

16 Jul 2017 by kav@94

I am using a file uploader to choose the file and i need to pass that file path to my servlet dynamically instead of giving the file path statically how can i do this.Below is my jsp code Select File:

Error "The module has not been deployed. See the server log for details"

5 Jul 2017 by Malshani Wijekoon

Hey Friends, I am doing a java project using netbeans and tomcat. When I run the project it displays following error. ant -f C:\\Users\\Malshani\\Documents\\NetBeansProjects\\E-Learning...

Http status 404 when creating servlet-maven project

19 Jun 2017 by Member 13267822

https://www.screencast.com/t/5oW3gvU7uopC https://www.screencast.com/t/4Va3xFYZB https://www.screencast.com/t/XBEq37HL1MV What I have tried: I have created a demo servlet.and it is maven project.But i am getting http 404 error.

Login and register form in one page in servlet

13 Jun 2017 by Venkatesh K H

I have stored email, dob, first name and last name in the database. Now i want to make password creation. In login page first time user should create password and it should store in the db. Again if the same user logs in with correct credentials, it should redirect to landing page. But there are...

How do I get this output

2 Jun 2017 by Member 13237265

Quote: i have 2 html pages.retrieve data from both and display on other servlet page.And i having a button redirecting to first html and re-entering the data again .second given data will be show below first given data , automatically in servlet page How it can be possible i tried with...

Servlet URL call in JSP using AJAX

27 May 2017 by Member 12974741

Appreciate if someone could assist me on this.... i have a servlet coded already (Its a http url). I would need to access the servlet in JSP to get the data using ajax. can someone tel me how to obtain this? url link below is given for sample.... $.ajax({ type: 'GET', data : { }, url:...

JSP navigation using servlet in anchor tag

7 May 2017 by SanketAB

I am developing simple Dynamic Web Project. Env details: Eclipse-Kepler (Java 1.6) with apache tomcat 6.0 server. My project structure is as follows: Under WebContent/jsps folder i have: home.jsp listcenters.jsp center.jsp Under /src/com/myexample/controller i have: CenterController.java...

Wrap a text inside a table cell

16 Apr 2017 by Bryian Tan

It should be width:90px, not width=90 out.println(""); Example[^]

Wrap a text inside a table cell

16 Apr 2017 by Member 13092275

hi, i am using serlvet and i need to know how to wrap a cell contents to a cell width without using CSS. i need to achieve this directly through the td tag. What I have tried: out.println(""); out.println("

Get data from servlet session in jsp page without refreshing the page

15 Mar 2017 by Member 13060088

Hello,I am designing a webapplication using Eclipse Luna for programming and SQL for database.I stuck somewhere in code but cant get it done after so many trials.I attach hereby my code and jsp page too. I do get the data which i required to display but the problem is, for each new input...

How do I track the user activity and timing on video portal using JSP and servlet?

1 Jan 2017 by kksoftskill

How do I track the user activity and timing on video portal using JSP and Servlet?What I have tried:How do I track the user activity and timing on video portal using JSP and Servlet?

How to Call RESTful API Web Service in Servlet

24 Nov 2016 by markkang

In this article, I will introduce how to call RESTful API in servlet.

PDF gets downloaded with txt extension in safari

2 Sep 2016 by ShaktisinhRathod

Dear Experts,Tool used : JavaSteps1)Generate PDF (using jasperireport 3.6.1) java2)Store On Server3)Apply digital signature on stored server4)Ready for download on page.code below protected void processRequest(HttpServletRequest request, HttpServletResponse response) ...

How to do I login registration forms using servler, jsp

28 Jun 2016 by Member 12608069

>>using servlet,jsp>>first register with username and password>>after login with that username and password>>wihtout database>>tools::in ecalipse ide.>>please help me >>with database we need to create a table like username,password>>after we will get like this connection=new...

How to retrieve data from database and display it in table with edit, delete option? Using (jdbc servlet HTML CSS).

6 Jun 2016 by Member 12569519

how to retrieve data from database and display it in table with edit,delete option? using (jdbc servlet html css)What I have tried:using jdbc and servlet I can fetch the data but unable to form it in table and add edit,delete option.

How to retrieve data from database and display it in table with edit, delete option? Using (jdbc servlet HTML CSS).

6 Jun 2016 by George Jonsson

You could try to use AngularJS. Here is one starting point out of many:AngularJS Tutorial[^]And this one Angular JavaScript Framework: Interacting with Java Servlet Backend[^]

How to pass id from one jsp to another jsp page

14 May 2016 by Member 12524018

I am calculating the price of a ticket with discount on weekdays and weekends based on the time duration.So, i gave inputs of duration and date using datepicker plugin which is in Above Page. For this i am getting proper result.But i have to create two different jsp pages(date.jsp and cal.jsp)....

How to pass id from one jsp to another jsp page

14 May 2016 by Sergey Alexandrovich Kryukov

Probably you can received detailed answers based on session and specific to JSP.I want to suggest more universal and modern alternative based on Web storage. This approach is agnostic to the server side; it can even work without any server side at all, when you simply want to restore some UI...

Adding values to a BIRT report through servlet using brit api

11 Mar 2016 by ashwin subramanya

Im developing Java EE 8 application which makes use of BIRT to generate a pdf and send it on to client. But i want to add the data received from the request directly to the generated pdf ie without adding them to a database(so i cannot add the values by binding data source).These are...

How do i divide drop down menu codes into servlet, dao and jsp

12 Feb 2016 by Skynet_Code

Hi.To avoid spending much more time while maintaining your code than developing it, you should thing in a MVP arch. Start by developing, for example, a servlet (Controller) that uses a wrappered Java (Bean) class (Model) to get data from DB. Later, in your JSP (View) you can ask controller...

How do i divide drop down menu codes into servlet, dao and jsp

12 Feb 2016 by mong220394

I am trying to avoid java code in jsp file. but i couldnt figure the solution. so i ended up mixing the codes :( how can i divide this code? PLEASEEE HELPPP...Thank you very much.What I have tried:

How to implement KNNE algorithm in Jsp and Servlet

28 Jan 2016 by Richard MacCutchan

Then please use Google to search for it. This is not a code-on-demand forum.

how to create online chat application using jsp servlet

28 Jan 2016 by Richard MacCutchan

Using Google to do your own research is generally considered a good idea.

problem in accessing SQL quiry in servlet

13 Jan 2016 by nashwa_ahmed

adding library (mysql-connector-java-5.1.38-bin.jar) to the project

problem in accessing SQL quiry in servlet

12 Jan 2016 by Richard Deeming

nashwa_ahmed wrote:the validation class return false foreverThat's hardly surprising - based on the code you've posted, you declare a variable called st, initialize it to false, execute a query, and then return the value of st. You never update the value of the variable, so the method...

problem in accessing SQL quiry in servlet

12 Jan 2016 by nashwa_ahmed

Dears,I face a problem in accessing DB from servlet but i din't catch the error, so kindly any help.------validation.java--package register;import java.sql.*;public class validate { public static boolean checkUser(String name,String pass) { boolean st...

Change drop down list content based on radio button Java Servlet

7 Jan 2016 by Member 12115837

use onchange onchange="document.getElementById('e').hidden=1;document.getElementById('d').hidden=0;document.getElementById('b').checked=0;" value="x" id="c">x

how to encode username and password while passing it using request.dispatcher using session.

12 Dec 2015 by Member 9671810

hello,I am passing username using session in other page. but to redirect that page i am using session. but after i login username and password is seen on the url. How to decode it? HttpSession sess = request.getSession(); // if(sess != null) ...

How to Upload CSV file using JSP and servlet into Java DB

27 Nov 2015 by Khalida Mujahid

I am new to Java programming & in a project I want to upload CSV file using JSP and servlet save into Java DB.... Also there is a requirement that we don't know the size of file & number of columns & rows in advance before uploading file So, code for reading columns from file would be...

Issue on reading checkbox status from html into servlet

26 Nov 2015 by Member 11944583

If i try to read checkbox status from checkbox.html file after clicking the button instead of getting the values of checkbox it is downloading file which contains the status of checkbox.what i need to do solve this problem.Here my checkbox.html file code:

Change drop down list content based on radio button Java Servlet

10 Nov 2015 by Siddharth.10

How do I change drop down list content based on radio button click. my code :import java.io.IOException;import java.io.PrintWriter;import javax.servlet.RequestDispatcher;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import...

Change drop down list content based on radio button

10 Nov 2015 by Siddharth.10

How do I change drop down list content based on radio button click. my try : http://ideone.com/RWbZ54import java.io.IOException;import java.io.PrintWriter;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import...

how to print on jsp page. Instead of out.println("");

26 Oct 2015 by Member 9671810

this is my code for searching. But i want to print it on jsp page, cause i have used jquery for gui.try{ Class.forName(driver).newInstance(); con = DriverManager.getConnection(url, "root", "root"); // String sql =...

Only one button works at a time in servlet. how to use them as users need.

26 Oct 2015 by Luis Carlos Gonzalez Barcenas

When you click any of the buttons the servlet will call the doPost or doGet method specified by you in the form. ......As the two buttons have the same type submit and I suppose that are into the form, any of your action...

how to get the values of dropdownlist in servlet.

26 Oct 2015 by Luis Carlos Gonzalez Barcenas

The tag must have a value, example Option1 Option2 Option3

how to get the values of dropdownlist in servlet.

24 Oct 2015 by Member 9671810

here i want the dropdown's selected text. i tried using this but it just gets null value. String [] drpdownvalue = request.getParameterValues("drplistalbum");and i have made a dropdown like thisout.println(""); for(String name...

cannot call servlet using onclick

24 Oct 2015 by Member 9671810

this is my submit button.. i want to use other servlet for handling this servlet here it can call a .jsp page but it cannot handle servlet

Only one button works at a time in servlet. how to use them as users need.

22 Oct 2015 by Member 9671810

there are two buttons in my jsp page1. Album Name ...

How to auto increment user id in mysql in java

21 Oct 2015 by Member 9671810

try this.. it works{ PreparedStatement pst1 = conn.prepareStatement("select max(id)+1 from artist_reg_ml"); ResultSet rs = pst1.executeQuery(); String user_id ="" ; while(rs.next()) { user_id =...

How to auto increment user id in mysql in java

21 Oct 2015 by Richard MacCutchan

See https://dev.mysql.com/doc/refman/5.0/en/example-auto-increment.html[^].