In SpringMVC, after form is submitted, PropertyNotFoundException Encountered
Question
This is Controller .
@Controller
@RequestMapping("/Register")
public class RegistrationController {
@RequestMapping(method=RequestMethod.GET)
public String showForm(ModelMap model)
{
System.out.println("..In showform()..");
UserBean userbean=new UserBean();
model.addAttribute("USER", userbean);
return "Test";
}
@RequestMapping(value="/Register" ,method=RequestMethod.POST)
public String processForm(@ModelAttribute("USER") UserBean user)
{
System.out.println("UserDetails are :"+ user.getFirstName());
System.out.println("UserDetails are :"+ user.getAge());
return "Success";
}
}
This is Test.jsp
<form:form method="POST" modelAttribute="USER" action="Register">
<table>
<tr><td>Name</td> <td><form:input path="FirstName"/></td></tr>
<tr><td>Age</td> <td><form:input path="Age"/></td></tr>
<tr><td><input type="submit" value="Submit"/></td></tr>
</table>
</form:form>
This is Success.jsp
<body>
<table>
<tr>
<td>User Name :</td>
<td><core:out value="${USER.FirstName}" /></td>
</tr>
<tr>
<td>Age :</td>
<td><core:out value="${USER.Age}" /></td>
</tr>
</table>
</body>
And this is the com.beans.UserBean
public class UserBean {
private String FirstName;
private int Age;
public String getFirstName() {
return FirstName;
}
public void setFirstName(String firstName) {
this.FirstName = firstName;
}
public int getAge() {
return Age;
}
public void setAge(int age) {
this.Age = age;
}
}
Now after i Clik on SUBMIT button the following error is Encountered. Dont know why. I have the proper getter/setters in the form backing bean.
javax.el.PropertyNotFoundException: Property 'FirstName' not found on type com.beans.UserBean
3 answers
solution1
1 ACCPTED 2014-08-22 06:20:22
The getter method public String getFirstName() is the equivalent for a instance variable named: firstName not FirstName .
Since variables starting with lowercase is a Java convention , Spring MVC will search for instance variables named : firstName, age and NOT FirstName, Age . The exception: javax.el.PropertyNotFoundException is thrown by Spring because he couldn't find any method accesors for FirstName and Age .
All you have to do is to change those instance variables names so they may start with a lowercase : firstName, age .
solution2
0 2014-08-22 06:24:38
private String FirstName;
private int Age;
This is really a bad practice, define the first character in your variable with lower case. Make it lower case and try again.
solution3
0 2014-08-22 06:41:30
rename you property to firstName with lower f. because of namening convention and try again (also in jsp)
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