Spring 3 MVC: Handling Forms in Spring 3.0 MVC

[ad name=”AD_INBETWEEN_POST”] Welcome to the Part 3 of Spring 3.0 MVC Series. In previous article we created a Hello World application in Spring MVC. We leaned how to configure Spring MVC in web.xml and how to use different annotations like @Controller, @RequestMapping etc. In this article let us see how to handle forms in Spring 3.0 MVC.

We will use the framework that we created in previous article as a base reference and add up the functionality of form in it. Also the application that we create will be a Contact Manager application.

Related: Spring 3 MVC: Multiple Row Form Submit using List of Beans

Our Goal

Our goal is to create basic Contact Manager application. This app will have a form to take contact details from user. For now we will just print the details in logs. We will learn how to capture the form data in Spring 3 MVC.
spring-3-contact-manager-form

Getting Started

Let us add the contact form to our Spring 3 MVC Hello World application. Open the index.jsp file and change it to following:

File: WebContent/index.jsp

<jsp:forward page="contacts.html"></jsp:forward>

The above code will just redirect the user to contacts.html page.

The View- contact.jsp

Create a JSP file that will display Contact form to our users.
File: /WebContent/WEB-INF/jsp/contact.jsp

<[email protected] uri="http://www.springframework.org/tags/form" prefix="form"%>
<html>
<head>
	<title>Spring 3 MVC Series - Contact Manager</title>
</head>
<body>
<h2>Contact Manager</h2>
<form:form method="post" action="addContact.html">

	<table>
	<tr>
		<td><form:label path="firstname">First Name</form:label></td>
		<td><form:input path="firstname" /></td> 
	</tr>
	<tr>
		<td><form:label path="lastname">Last Name</form:label></td>
		<td><form:input path="lastname" /></td>
	</tr>
	<tr>
		<td><form:label path="lastname">Email</form:label></td>
		<td><form:input path="email" /></td>
	</tr>
	<tr>
		<td><form:label path="lastname">Telephone</form:label></td>
		<td><form:input path="telephone" /></td>
	</tr>
	<tr>
		<td colspan="2">
			<input type="submit" value="Add Contact"/>
		</td>
	</tr>
</table>	
	
</form:form>
</body>
</html>

Here in above JSP, we have displayed a form. Note that the form is getting submitted to addContact.html page.

Adding Form and Controller in Spring 3

We will now add the logic in Spring 3 to display the form and fetch the values from it. For that we will create two java files. First the Contact.java which is nothing but the form to display/retrieve data from screen and second the ContactController.java which is the spring controller class.
contact-form-package-spring-mvc

File: net.viralpatel.spring3.form.Contact

package net.viralpatel.spring3.form;

public class Contact {
	private String firstname;
	private String lastname;
	private String email;
	private String telephone;
	
	//.. getter and setter for all above fields.
	
}

The above file is the contact form which holds the data from screen. Note that I haven’t showed the getter and setter methods. You can generate these methods by pressiong Alt + Shift + S, R.

File: net.viralpatel.spring3.controller.ContactController

package net.viralpatel.spring3.controller;

import net.viralpatel.spring3.form.Contact;

import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.SessionAttributes;
import org.springframework.web.servlet.ModelAndView;

@Controller
@SessionAttributes
public class ContactController {

	@RequestMapping(value = "/addContact", method = RequestMethod.POST)
	public String addContact(@ModelAttribute("contact")
							Contact contact, BindingResult result) {
		
		System.out.println("First Name:" + contact.getFirstname() + 
					"Last Name:" + contact.getLastname());
		
		return "redirect:contacts.html";
	}
	
	@RequestMapping("/contacts")
	public ModelAndView showContacts() {
		
		return new ModelAndView("contact", "command", new Contact());
	}
}

In above controller class, note that we have created two methods with Request Mapping /contacts and /addContact. The method showContacts() will be called when user request for a url contacts.html. This method will render a model with name “contact”. Note that in the ModelAndView object we have passed a blank Contact object with name “command”. The spring framework expects an object with name command if you are using <form:form> in your JSP file.

Also note that in method addContact() we have annotated this method with RequestMapping and passed an attribute method=”RequestMethod.POST”. Thus the method will be called only when user generates a POST method request to the url /addContact.html. We have annotated the argument Contact with annotation @ModelAttribute. This will binds the data from request to the object Contact. In this method we just have printed values of Firstname and Lastname and redirected the view to cotnacts.html.

That’s all folks

The form is completed now. Just run the application in eclipse by pression Alt + Shift + X, R. It will show the contact form. Just enter view values and press Add button. Once you press the button, it will print the firstname and lastname in sysout logs.
spring-3-contact-manager-form

Download Source Code

Click here to download source code (7.43kb)

Moving on

In this article we learn how to create a form using Spring 3 MVC and display it in JSP. Also we learn how to retrieve the form values using ModelAttribute annotation. In next section we will go through form validations and different data conversion methods in Spring 3 MVC.

Related: Spring 3 MVC Multiple Row Form Submit example

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134 Comments

  1. raghu says:

    Thanks for that spring3.0 applications. Can u provide the spring3.0 Group authorization example

  2. stunaz says:

    thanks, can you provide the same thing with internationalization?

  3. Derrick says:

    Very nice tutorials, etc.

    I also think it’d be nice if you show a “List View” of the contacts. After you submit the new contact form, you are taken back to the list of contacts, with a status message of “New contact added”.

  4. raghu says:

    No need to use tomcat. Spring providing the one of the tool is like SpringSourceTool. We can download this tool use it. Its very easy.

  5. tuong says:

    Can you please explain why do we need to use the annotation @SessionAttributes here?

    • Assem says:

      the @SessionAttributes typically list the names of contact attributes which should be transparently stored in the session or some conversational storage, serving as form-backing beans.

  6. George says:

    This tutorials have made it very easy for me to learn spring 3.They are really good…..I haven’t found better ones on line.Thank you!!!

  7. Tun_Java says:

    Thank you.
    so useful tutorial.
    It’s little bit different to develop with different IDE but in deed it’s Okay.

  8. Tun_Java says:

    Thank you.
    Great job !!!

  9. know1stranger says:

    Thanks man…! Awesome help you did

  10. Nirwana says:

    This is one of the great series of Spring MVC 3 tutorials. Thanks for putting it up.

  11. Assaduzzaman says:

    Hi this example is cool. It is possible to list all .jar list which is require to run this example.

  12. stepan says:

    Would you please show an example of CRUD controller?
    A have a problem with UPDATE of entity.

    • samantha says:

      Please, have you make CRUD controller ? for UPDATE. I cannot do it. Can you explain me ?

  13. sruthi says:

    good for beginners! thanks a lot

  14. Sristi says:

    How to display the properties of two entities in a single form using form tags?
    How to get the value of a specific attribute using form tag?
    Please Help.

    Its urgent

    Regards,
    Sristi

  15. nitin says:

    excellent ……work by your team….

  16. SA says:

    Getting following error, please help?
    No WebApplicationContext found: no ContextLoaderListener registered?

  17. Madhu says:

    Simple and precise example. Good work.

  18. Ramanath says:

    Hi,

    I am getting the following exception while trying to open the form:
    java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name ‘example’ available as request attribute

    Any idea on how to bind commandName using Spring web mvc 3?

    Thanks

    Ramanath

  19. Medloh says:

    Nice tutorial. Question. Trying to get a better understanding of the SpringMVC plumbing: I changed index.jsp from

    to

    Say Hello

    Contact Form

    Clicking on hello link works. But when I click on the contacts link I get some error about spring servlet having no mapping for it. I don’t understand why, it looks like the defs defined in the XML should handle this. Could someone explain why this doesn’t work?

  20. Medloh says:

    Arg! Blog not showing my code, trying again:
    Changed index.jsp from

    &GT;jsp:forward page=”contact.html”$LT;&GT;/jsp:forward&LT;

    &GT;a href=”hello.html”&LT;Say Hello&GT;/a&LT;
    &GT;br/&LT;

    This doesn’t work, WHY???
    &GT;a href=”contacts.html”&LT;Contact Form&GT;/a&LT;

  21. Rossen Stoyanchev says:

    Hi- nice series. Just one minor comment. I would encourage making the most of the flexible method signature. So rather than:

    @RequestMapping(“/contacts”)
    public ModelAndView showContacts() {
    return new ModelAndView(“contact”, “command”, new Contact());
    }

    Have this:

    @RequestMapping(“/contacts”)
    public String showContacts(Model model) {
    model.addAttribute(“command”, new Contact());
    return “contact”;
    }

    Further, you could rely on built-in naming conventions. If the JSP was called “contacts.jsp” and the form had model=”contact” then your method would be even shorter:

    @RequestMapping(“/contacts”)
    public void showContacts(Model model) {
    model.addAttribute(new Contact());
    }

    Small point but certainly readability counts!

    Cheers!

  22. mohammed rehan rizvi says:

    Hi.. Is it possible to configure multiple forms (each having different command object) on the same page .?

  23. Gourav says:

    Hi
    i am facing the some problem with the simple hello world application. The problem is that when i am returing the ModelAndView object from my controller servlet, it is not picking the view name from that. But if return him simple file name rather then ModelAndView Object it will directly take me to that file name.

    eg
    @RequestMapping(“/RequestComing”)
    public ModelAndView sayHello(){
    String msg=”test”;
    return new ModelAndView(“responseGoing”,”message”,msg);
    }

    if i use the above code then it will search for RequestComing.htm rather then responseGoing.jsp

    the xml file contain

    please help me to come out from this

    • Bolat says:

      Dear Gourav, my post didn’t come out properly, hence, I am re-posting it with slight amendments:

      check your xml configurations. I assume that your web.xml has:

      *.htm in the servlet-mapping section

      This is the mapping to controllers. That is, all requests from the browser ending .htm will be forwarded to the appropriate conroller. In your case, it should be sayHello() as you have defined the mapping of @RequestMapping(“/RequestComing”). The point made here is that the extension *.htm, searches for the controller, NOT jsps.

      And I assume in your spring-context.xml it has something like:

      … property name=”suffix” value=”.jsp”

      which means that the returned sring name from the controllers, in your case, upon sayHello() returnining the ModelAndView(“responseGoing”,”message”,msg) will appended the .jsp (as defined in spring-context.xml) to “responseGoing”, that is, it will then look for responseGoing.jsp.

      Hence, from what you have written it appears that it is not searching for the jsp in question, but rather, it is actually searching for the controller sayHello() as you have mapped it with @RequestMapping(“/RequestComing”). Solution: is to make sure all the configurations are correct and the controllers (java files) and the jsps are stored in the correct directory structure.

  24. Shawn Z says:

    Cutting and pasting that does not work in MVC3. To get the extension to work, I had to create a class file:
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.Mvc;

    namespace incMvcSite.Classes {
    public static class HtmlPrefixScopeExtensions {
    public static IDisposable BeginHtmlFieldPrefixScope(this HtmlHelper html, string htmlFieldPrefix) {
    return new HtmlFieldPrefixScope(html.ViewData.TemplateInfo, htmlFieldPrefix);
    }

    private class HtmlFieldPrefixScope : IDisposable {
    private readonly TemplateInfo templateInfo;
    private readonly string previousHtmlFieldPrefix;

    public HtmlFieldPrefixScope(TemplateInfo templateInfo, string htmlFieldPrefix) {
    this.templateInfo = templateInfo;

    previousHtmlFieldPrefix = templateInfo.HtmlFieldPrefix;
    templateInfo.HtmlFieldPrefix = htmlFieldPrefix;
    }

    public void Dispose() {
    templateInfo.HtmlFieldPrefix = previousHtmlFieldPrefix;
    }
    }
    }
    }
    In the Razor (.cshtml) file, I added the following:
    @using incMvcSite.Classes
    @using(Html.BeginHtmlFieldPrefixScope(“Permission”)) {

    Permission

    // The Html.EditorFor’s would go here…

    }
    Notice the using to bring me extension class into scope. That allows the second using line to work.
    Now the problem is that when posting back, the object is not updated. In my controller, I used a second parameter to specify my prefix:
    TryUpdateModel(modelUser.Permission, “Permission”);
    This added the prefix to all field in the HTML, and the TryUpdateModel loaded the object with prefixed control names. Now you can properly namespace your controls for embedded edit lists, and for partial views of models with the same property names.

    Shawn Zernik
    Internetwork Consulting

  25. leon says:

    thanks for posting this article. it gave me an idea on how spring works! but before making it work i really had to understand first how and why the codes are made.

  26. leon says:

    may i just ask. what is this parameter for? “BindingResult result”

  27. sina says:

    thatz very nice! please provide some example on use spring framework tags on name space sf for example and etc..
    thANKS AGAIN

  28. Maruf says:

    You give me start of Spring……You are my first spring boss…Thanks

  29. Tito says:

    wowwww….i cant tell how happy im.. thank u for ur great tutorial.. i went a step further to deploy this spring mvc app in google app engine.. yay.. thank u..keep up ur good work..itz coz of programmers like u who can share the knowledge and that too in an easy way..that budding developers like me can learn things fast and easy.

  30. Francis says:

    I am currently facing difficulty in running the tutorials even the previous one “Hello World”. Everytime when i try to run, i keep getting this error “The requested resource (/Spring3MVC/contacts) is not available.” and for the previous hello world program i get this “The requested service (Servlet spring is currently unavailable) is not currently available.” as an error.

    Can someone throw in some light into this…I am very much stuck and new to Web Development…

    • Pankaj says:

      Hey Francis…
      Have you copied all the jar’s file into lib folder of WEB-INF? and just add jstl.jar an standard.jar
      just try this two things…

  31. Indra says:

    very elaborate tutorial keep up the good work, its inspiring indeed , thanks a ton !

  32. Hardeep says:

    good job

  33. Phillis says:

    New to Java EE and these are some great tutorials.

    Had an issue with “//.. getter and setter for all above fields.” as I had no idea I had to do anything but download file gives working code.

    Cheers

  34. Suhas says:

    Great tuts.

  35. gleeb says:

    This is just awesome!
    Thanks.

  36. bar says:

    hi, nice tuto, thank’s
    i try to execute this sample and i have this msg error on server tomcat7.0
    description La ressource demandée (/Spring3MVC/contacts.html) n’est pas disponible.
    someone ca help me please??!!!
    thank’s!!!

  37. SetLorD says:

    Great tutorial! I’ve followed this and the previous one in NetBeans. I’ve got the “getter an setter” part by looking for “Encapsulating a Field” in IDE’s help.

    Regards

  38. Pankaj says:

    Hi all..
    It is very nice tutorial. But i am facing one problem. i am not getting the significances of command in “return new ModelAndView(“contact”, “command”, new Contact())”. Where we can use this command?
    And next thing if i want to display the data inserted in form how can i display?
    Please help me regarding these two things..
    Its urgent
    Thanks
    Regards
    Pankaj

  39. airyym says:

    i can’t understand why “” in index.jsp, there is no
    the “contacts.jsp” file, only “contact.jsp”. how can servlet map this?

  40. napster says:

    @airyym – because index .jsp maps contacts.html and redirects…

    check the code for index.jsp

  41. Lavanya says:

    When i run my project on Tomcat using eclipse, i get the following error
    java.lang.ClassNotFoundException: com.spring.jdbc.example.controller.MainController

    am unable to resolve it. Please help.

    Can you please post the project structure? Also where i can find the class files?

  42. Abhishek says:

    A wonderful tutorial, especially for a newbie like me it’s a great learner. Thanks for taking your time out and writing these tutorials.

    btw,
    When I run this project on Spring IDE I get the following error.

    SEVERE: Servlet /TestProject threw load() exception
    java.lang.ClassNotFoundException: org.springframework.core.NestedRuntimeException
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1680)
    at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1526)
    at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:336)

  43. Gourav says:

    when I click on submit button it showing 404 error. with url http://localhost/test/addcontact.html
    and displaying the message:-The requested resource () is not available.

  44. Babu D says:

    How can i handle the jsp with multiple forms in spring MVC 3.x programming.

  45. Michael says:

    Using Eclipse SpringSource Tool Suite 2.9.2/Tomcat 6/JDK 1.7…
    Getting: No mapping found for HTTP request with URI [/myspringprj/contacts.html] in DispatcherServlet with name ‘spring’
    This resolves fine: http://localhost:8080/myspringprj/hello.html
    What could that be?
    Thanks

    • jay.cz says:

      I am having the same issue with STS. Don’t know if this is a strictly STS issue or some general one… :/

      WARNING: No mapping found for HTTP request with URI [/Spring3MVC/contacts.html] in DispatcherServlet with name ‘spring’

  46. eric says:

    Missing word?

    “The spring framework expects an object with name command if you are using ______
    in your JSP file.”

    • Viral Patel says:

      Ops.. well caught.. the brackets < > where not escaped. So the form:form tag got rendered as html :) Fixed now..

      • eric says:

        Thanks. Your tutorials are helping me learn.

  47. alen says:

    ive got some errors
    /HandlingForm/contacts.html
    description The requested resource (/HandlingForm/contacts.html) is not available

    and ive tried copy standar.jar and jstl, it’s doesn’t work anything… very confusing :D
    can anyone help me T_T..

  48. Nitin R Khilwaniing says:

    Really U guy’s r amazing .u do all these things without any charge, Salute to all of u .this tutorial help me lot encourage

  49. P Ghosh says:

    You are a Star :)!!!
    Really so sweetly explained, Great Job Bro!!

  50. Raheel Arif says:

    COoooooooool
    Very simply explained every step
    I have become your fan brother :)

  51. alexK says:

    This did not work when I tried it using Spring tool suite. The best I got was “resource unavailable”

    The source code downloaded was incomplete. It looks like the .xml files are not right.

    If I had been coding a servlet I would have been finished ten minutes after I started.

    I wonder why Spring make things so hard. But then no one made money from simplicity.

    • prabhakar tiwari says:

      For using this application,first make sure you are using the Exact jar files which are given there in hello world example.even the version no. and A.jar and jar files have some difference.moreover in eclipse i think you should go to build path and there click on”Add External jars” and select “servlet api.jar”.I think it will be helpful..

  52. Praj says:

    I am getting resource not found error. i want to know if thr is something wrong in writing the code or is this some tomcat issue?
    and what can be the resolution to this problem?
    im sure of putting all the files whereever necessary only. but still im facing this issue. please help ASAP>
    Thanks ….

    • Anup says:

      wrong post

      • kiran says:

        This is working fine. I was executed this example

    • Gaurav Palkar says:

      Change the form action path currently it is as follows

      Change this to following n my case it worked

  53. Pandian says:

    Thanks for the post.
    But, have you tested this?
    I am getting the following problem.

    “java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name ‘command’ available as request attribute” and spring3

    • Viral Patel says:

      Hi, Check if you are getting to JSP page from Spring Controller’s showContacts() method. This method set the “command” object in ModelAndView object. Check if your implementation is same as above example.

  54. Pandian says:

    This also breaks!

    Stacktrace:] with root cause
    java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name ‘contact’ available as request attribute

    • Gireesh says:

      Thanks for the post.
      But, have you tested this?
      I am getting the following problem.

      “java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name ‘command’ available as request attribute” and spring3

  55. Pandian says:

    fed up with this. Moving for another tutorial.

  56. Pandian says:

    ooooops
    Extemely sorry. it was my mistake. It works now.

  57. JavaRam says:

    in which xml files the Contact is defined

    • Jim says:

      Contact is not defined in an xml file. It is a POJO that Spring wires as a bean.

  58. aswin kumar says:

    Hi, I have a doubt regarding multiple beans. If I have a two beans and from view page i want to add the details in the two models of those beans. Then how can I do that please ……………give me a suggestion.
    I have 6 fields and 4 of one bean and 2 of another bean in a JSP. I want to add them with single action.

  59. Ruman says:

    Thanks… it is to learn….

  60. This tutorial has been great so far. I followed it step by step and everything is working. I had some issues from inside of Eclipse initially – but I stopped and restarted the server and everything is working so far.

  61. Sachin says:

    Hi i just downladed the code and its not working.
    ia m getting this as warning in console
    No mapping found for HTTP request with URI [/spring/contacts.html] in DispatcherServlet with name ‘spring’
    and getting 404 in my web page

    • Sreenivas Nair says:

      Hi Sachin,
      i also faced same issue, but now its works.
      make sure that you are specified “” in the spring-servlet.xml ——here org.training.web.controllers in you controller location. This is the one which tell the servlet where to look for annotated methods.
      Try it, Wishes
      Sreenivas Nair

    • Sreenivas Nair says:

      Hi Sachin,
      i also faced same issue, but now its works.
      make sure that you are specified

       &lt;context:component-scan base-package=&quot;org.training.web.controllers&quot; /&gt;

      in the spring-servlet.xml ——here org.training.web.controllers in you controller location. This is the one which tell the servlet where to look for annotated methods.
      Try it, Wishes
      Sreenivas Nair

  62. Neeraj says:

    This works perfectly for me. I been new to Spring but your tutorial approach is very clear.

    I have questions though, how you know what RequestMapping params e.g. POST to use. Like you learn the syntax.. is it just by experience ? I find it difficult to learn all the viewResolver, I went into the package but found there are so many different classes in spring, do we have to learn all these by doing one by one ??// i hope you understood my question. I m trying to looking for something which is less cramming but more logical. In core java javap command use to do that for me.

  63. Ramesh says:

    I downloaded the source, But while importing in eclipse It is saying “should convert maven legasy project”. I clicked “yes”. Even pom.xml is showing errors and not able to compile the code because dependencies not getting downloaded.

    Please help me.

  64. navi says:

    HI,

    Please help me its urgent basis, and new to spring 3.0,when i was running the code in ecilpse IDE,error will code (WARNING: Servlet spring is currently unavailable) is come???????

  65. Mohan says:

    Hi navi,
    If you can give little more details about the error. It will be easier to solve ur problem.\

  66. ish128 says:

    your articles is awesome!
    thank you so much!

  67. srinivas says:

    i’m getting error while executing this application
    the error is java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet

    i have added the following jar files to libraries

    commons-logging.jar
    jstl.jar
    org.springframework.asm-3.0.0.RELEASE.jar
    org.springframework.beans-3.0.0.RELEASE.jar
    org.springframework.context-3.0.0.RELEASE.jar
    org.springframework.core-3.0.0.RELEASE.jar
    org.springframework.expression-3.0.0.RELEASE.jar
    org.springframework.web-3.0.0.RELEASE.jar
    org.springframework.web.servlet-3.0.0.RELEASE.jar
    spring.jar
    jstl-1.2.jar
    spring-webmvc-1.0.1.jar
    org.springframework.web.servlet-3.0.0.M3.jar

    can anybody tel me the solution to this

    post here or mail me @ [email protected]

    • prabhakar tiwari says:

      I would like to suggest you that any difference in jar files makes difference.In google all jars with all versions are available.You use exactly the same jars which are given there in the hello world example.they will surely work for you.

      • Jim says:

        doesn’t work with 3.0.5 jars

  68. ajinkya says:

    i am passing a map thru modeAndView. That map contains 2 strings and a object I need to set attributes in only that object in jsp. How to do that.

  69. Dimitri says:

    Thank you very much comrade

  70. Anirudha Sen says:

    You need to mention the component scan in *-servlet.xml… Please mention the package which includes your bean and controller.

  71. David Lee says:

    Wow!! I didn’t know that Alt + shift + S, R command creates very amazing code!

    Thank you for the eclipse tip!!

  72. Aarón says:

    Hi, The tutorial looks perfect, it worked fine with me, however I have a question:
    Why does the line forwards to contacts if our jsp is named “contact.html” ??

  73. Debopam Mitra says:

    Using this approach everything is working while you specify all the fields, i.e. when you never leave a blank field. What happens when you leave a field blank. The whole data doesn’t get updated to DB. In my case I have attachement to be uploaded with a form. Which is not mandatory. If the user specifies a attachment the data is saved the file gets uploaded. And when the User doesn’t give any attachement and only need the data to be uploaded, the whole data doesn’t even get uploaded. Can you help?

  74. Pulkit Gupta says:

    very good tutorial
    thank you

  75. Juien says:

    Hello

    I dont find the way to export the css code into a .css file an link it from the .jsp. Could you help me?

    Thanks

  76. hemant says:

    works fine no issue….
    thanks a lot i was searching for a good tutorial to learn. i think i found one.

  77. Jagruti says:

    this is great post,,,helped me a lot.
    thanks Viral
    the only change i did to resolve is

    @RequestMapping(“/contact.html”)
    public ModelAndView showContacts() {

    return new ModelAndView(“contact”, “command”, new Contact());
    }

    and removed all contacts to contact so my request mapping is /contact.html
    it worked great
    Many thanks

  78. CW says:

    Thank you for the good How-To Viral. I too have had few issues, mainly with ContactController. In your code you are saying to have “contact.jsp” file but have the @RequestMapping set to /contacts. I think it would be best to just have “contacts.jsp” and change the new ModelAndView to use “contacts” as well to avoid confusion. Though it does help understand that the jsp name can be different from URL used by request. I also had to update ContactController to handle RequestMapping for “/”. I had to remove welcome-file-list from web.xml and add an index() method to my controller which will redirect to contacts.html. I was getting many errors when trying to call root of application.

    List of changes I did:

    In web.xml:

        <servlet-mapping>
            <servlet-name>spring</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>
    

    In ContactController.java:

    @RequestMapping("/")
        public String index() {
        	return "redirect:contacts.html";
        }
    

    Remove welcome-file-list from web.xml
    Remove index.jsp

    Update showContacts() method to direct to contacts page:

    	@RequestMapping("/contacts")
    	public ModelAndView showContacts() {
    
    		return new ModelAndView("contacts", "command", new Contact());
    	}
    

    I will continue on to the Spring 3 MVC with Hibernate blog post. Thank you for your work!

  79. Scott says:

    You should test this with Spring 3 — i have imported your code into an IntelliJ MVC project — and this throws all kinds of exceptions — why the hell does Spring make submitting form data so difficul;t – Java servlets — piece of cake.

  80. Kehinde says:

    thanks Viral. this is a very good tutorial for the beginner. I started from the Helloworld application and everything is just going on smoothly. I appreciate. God bless in Jesus name!

  81. somnath says:

    Can you tell how I can set default value in above forms???

    • Viral Patel says:

      You can pass the default value to form in the controller method showContacts() in ContactController class. We are setting a new Contact() object as command object. Instead of that you can pass Contact object having default values. Something like below:

      @RequestMapping("/contacts")
      public ModelAndView showContacts() {
              
      	Contact contact = new Contact();
      	contact.setFirstname("John");
      	contact.setLastname("Lock");
      	return new ModelAndView("contact", "command", contact);
      }
      
  82. Subrat Kumar says:

    Hi…
    this program run successfully.but i have some doubt..like @ModelAttribute(“contact….)
    what is the necessity for that..

  83. Diksha says:

    great tutorial , thanks

  84. udit says:

    Plz post tutorial/example of “Form validations and different data conversion methods in Spring 3 MVC”, I couldn’t find it on your site.
    Thanks.

  85. Umanath says:

    I had an array of elements How to pass this data to spring 3.0.
    Model
    String stuName;
    Int time;
    String sub;
    Stu Time subject Time subject Time subject
    Stu1 9 Maths 10 Sci 11 Eng
    Stu2 9 Maths 10 Sci 11 Eng
    Stu3 9 Maths 10 Sci 11 Eng
    Stu4 9 Maths 10 Sci 11 Eng

    Here you pass list of data.It really helpful.
    But i try to pass list of list data. How to pass this data? Thank you in advance

  86. Mike says:

    I can’t get this to work. I’m getting the error No mapping found for HTTP request with URI [/Spring3MVC2/contact.html] in DispatcherServlet with name ‘spring’

  87. Mike says:

    I get an 404 error when trying to run this, anyone have any ideas why

  88. Praveen says:

    Please make sure that the jsp file name ‘contact.jsp’ and the mapping in ModelAndView(“contact”, “command”, new Contact()) are same.

    Here the action given like ‘contacts’ and the file name given like ‘contact’. But it won’t make any problem anyway but be ensure that the mapping is correct.

  89. Kiran says:

    Hi Viral,
    Very nice tutorial i got. Hello world application worked for me. Really thanks for this application also. I changed the Request mapping url as

     
    @RequestMapping(value="/contacts.html")
    	public ModelAndView showContacts()
    	{
    		
    		return new ModelAndView("contacts" , "command" , new Contact());
    	}
    

    and acordingly i changed jsp name to ‘contacts.jsp’
    But i am facing some issue while running the project. I am getting the error again n again.SEVERE: Servlet.service() for servlet jsp threw exception
    java.lang.ClassNotFoundException: org.springframework.web.util.ExpressionEvaluationUtils.

    Please help to resolve the thing. Thanks.

  90. Soheb says:

    have a question, i have 2 tabs and have corresponding VOs, in both tab, there is a link summary that will display the data from both VO (summary is readonly screen, no inputs required).

    In my controller i have placed a method as

    @RequestMapping(value = "/summaryProduct", method = RequestMethod.GET)
        public ModelAndView viewProductSummary() {
            Map<String, Object> model = new HashMap<String, Object>();
            model.put("basicDetailsProduct", productVO
                    .getBasicDetailsProductVO());
            model.put("additionalDetailsProduct", productVO
                    .getAdditionalDetailsProductVO());
            return new ModelAndView("SummaryProduct", "model", model);
        }

    But in summary screen, fields remain null. summary.jsp

    <label class="formHeading">${model.basicDetailsProduct.prodDesc}</label>

    ProductVO has both screen’s VO and all are in session in spring-servlet.xml.

    Can you please help me with this?

  91. priya says:

    i m creating an application. the 1st pag of my app is a login pg. When i give the usernam n pwd and give submit , i get
    ” 404 The requested resource (/Project1/connectionDetail) is not available.”
    Its not getting navigated to the nxt pg .
    This is my controller class:

    public class ConnectionController {
    	@RequestMapping(value = "/login", method = RequestMethod.GET)
    	   public ModelAndView login(){		
    		ModelAndView mv = new ModelAndView("login","command",new ConnectionDetails());
    		mv.setViewName("login");	
    		return mv;
    	}
    	
    @RequestMapping(value="/connectionDetail",method = RequestMethod.POST)
    public String ConnectionDetails(ModelMap model,@Valid @ModelAttribute("log_det")LoginBean log_det,BindingResult result){
    	System.out.println("name"+log_det.getUsername());
    	model.addAttribute("lusername",log_det.getLUsername());
    	model.addAttribute("lpassword",log_det.getLPassword());	
    	return "connectionDetail";
    }}
    

    Please help ASAP.

  92. Miltee says:

    I think “method will render a model with name “contact”. Note that in the ModelAndView object we have passed” … this confused me at first. Did you mean to say “render a view” ?

  93. Leigh says:

    Fix the issue that “java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name”
    Hope the solution is helpful.

    In Contact.jsp file
    1. Add commandName

    2. Add

  94. Deepak says:

    Awsome Tutorial….Cannot miss a Thing….!! and the Best part is you have Part -by part Download….Keep it up…

  95. ms says:

    hai viral

    can we use plain HTML form instead of JSP ?

  96. Bartosz Zak says:

    Hello,

    I hope you will see my reply.

    There is an error (not critical) on this page in contact.jsp file.
    You have 4 input forms there and three of them have the same path = “lastname”. It’s not causing an error because you never use them, but it will be good to fix that (well, basic example shouldn’t have such error).

    Best,
    Bartek

  97. Pingpong says:

    @Viral Patel

    Very good website.

    What about authentication and authorization in MVC? Any good books on MVC you can recommend?

  98. Sasasd says:

    Tx for your tutorials, they r really helpful!
    Iv found some minor errors:

    Email

    Telephone

  99. wang bo says:

    Using session when every request… Not correct.
    Is this a kind of miss-use?

  100. Mckenzie says:

    Thanks a lot for these wonderfulllllllll examples !!

  101. Aishwarya.k says:

    The type java.lang.Object cannot be resolved. It is indirectly referenced from
    required .class files.get this error when i download the source code.

  102. Vidhi Shah says:

    This example is fine. But I am facing some problem. When I leave the browser IE8 ideal for sometime and then try to get form values in controller it is giving me null.
    Can you advise what can be done here?

  103. Alex says:

    But where is the addContact.html file??

    • omar says:

      there is no addContact.html
      you use the mapping in the controller class as follow:

      @RequestMapping(value = “/addContact”

  104. Raj says:

    How do you solve if you have entity one to many relationship form such as User and Addresses.
    Lets say user enter firstname, lastname and address fields. But as per user entity address is set or list. do you have some tutorial?

  105. quest says:

    WOW! very useful, thanks

  106. Gaurav Palkar says:

    The post is useful Viral Thanks, but I was getting resaurce not available error when I used to click on ‘Add Contact’ button. My application was not root application. When I change the form action to //addContact.html then I could see first name and last name on the console.

  107. Gaurav Palkar says:

    correction in the above post I changed to /springmvc/addContact.html then It worked

  108. Abel Souza says:

    This tutorial is great, but it lacks some information. I do not know if it was about my Spring version, but I had to add some code in order to avoid the following code:

    java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name ‘Contact’ available as request attribute

    It happened because if the modelAttribute of <form:form is not available while the form is rendering. then the exception will raise. In order to fix it, just add the following code to the ContactControll class:

    @ModelAttribute("Contact")
    public Contact loadEmptyModelBean(){
    return new Contact();
    }

    Hopefully it will be useful to someone : )

  109. Vivek Soni says:

    What if I want to bind two objects ?
    Here in this example you are binding form values to contact object , what if I want to bind two objects ?

  110. reader says:

    I tried exeuting your code but —–http 404 error contacts.html not found…..I replaced contacts.html by contact.jsp still the same http 404 error

    • DaryaMarkova says:

      I have the same trouble)) Had you solved this problem? I am sorry for my English(

  111. Dhiraj Ray says:

    In the addContact method you are redirecting to /contacts. What if I want to show some success OR error message once addContact method id executed.

  112. HARISH says:

    rg.apache.jasper.JasperException: An exception occurred processing JSP page /Contact.jsp at line 16

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