Spring MVC 3: java.lang.IllegalStateException
Hi Could someone help me understand what am I doing wrong in the following code due to which I am getting this error:
Caused by: java.lang.IllegalStateException: Neither BindingResult nor plain target object for bean name 'user' available as request attribute
at org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:141)
at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:174)
at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:194)
at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementT开发者_JAVA技巧ag.java:160)
at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId(AbstractDataBoundFormElementTag.java:147)
at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.resolveId(AbstractDataBoundFormElementTag.java:138)
at org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.java:122)
at org.springframework.web.servlet.tags.form.AbstractHtmlElementTag.writeDefaultAttributes(AbstractHtmlElementTag.java:408)
at org.springframework.web.servlet.tags.form.InputTag.writeTagContent(InputTag.java:140)
at org.springframework.web.servlet.tags.form.AbstractFormTag.doStartTagInternal(AbstractFormTag.java:102)
at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79)
at org.apache.jsp.WEB_002dINF.views.signUp_jsp._jspx_meth_form_005finput_005f0(signUp_jsp.java:179)
at org.apache.jsp.WEB_002dINF.views.signUp_jsp._jspx_meth_form_005fform_005f0(signUp_jsp.java:111)
at org.apache.jsp.WEB_002dINF.views.signUp_jsp._jspService(signUp_jsp.java:74)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
... 59 more
UserManagementController.java
@Controller
public class UserManagementController {
//displays sign up page(GET)
@RequestMapping(method=RequestMethod.GET, value="/signUp.html")
public ModelAndView signUpForm() {
System.out.println("Sign up");
return new ModelAndView("/signUp", "user", new User());
}
}
signUp.jsp
<body>
<h3>Sign up</h3>
<table>
<form:form commandName="user" >
<tr>
<td>First name:</td>
<td><form:input path="firstName"/></td>
</tr>
<tr>
<td>Last name:</td>
<td><form:input path="lastName"/></td>
</tr>
<tr>
<td>Username:</td>
<td><form:input path="username"/></td>
</tr>
<tr>
<td>Password:</td>
<td><form:input path="password"/></td>
</tr>
<tr>
<td>Email:</td>
<td><form:input path="email"/></td>
</tr>
<tr>
<td></td>
<td><input type="submit" value="Submit"></td>
</tr>
</form:form>
</table>
</body>
Could someone help me understand it?
Thanks.
I was mistakenly using the wrong import for ModelAndView.
I was supposed to use org.springframework.web.servlet.ModelAndView but the one I was mistakenly using was org.springframework.web.portlet.ModelAndView.
I've got the code working now.
Thanks :)
加载中,请稍侯......
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