Spring's SimpleFormController problem

From:
Pawel <pdudzik@gmail.com>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 22 Jan 2008 08:15:35 -0800 (PST)
Message-ID:
<92deac80-a6b3-49d7-8af7-c24f7ce27dad@i12g2000prf.googlegroups.com>
Hi,

I have a strange problem with my Spring 2.5 and Tomcat 5.5
application.

I have a form which looks like this:

<form:form method="post" commandName="loginCommand">
    <form:errors path="*" cssClass="errorBox" />
    <div id="login" class="lightBorder label">
        <div id="header" class="lightBorder">Login</div>
        user <form:input path="user"/> <form:errors path="user"/>
        password <form:password path="password"/> <form:errors
path="password"/>

        <div id="submit"><input type="Submit" name="submit" class="submit"
value=""></div>
    </div>
</form:form>

My controller of this form looks like this:

public class LoginFormController extends SimpleFormController {
    private Logger log = Logger.getLogger(LoginFormController.class);

    public LoginFormController() {
        log.debug("Constructor");
        setCommandName("loginCommand");
         setCommandClass(LoginCommand.class);
    }

     protected ModelAndView onSubmit(HttpServletRequest request,
HttpServletResponse response,
            Object command, BindException errors) throws ServletException {
        ....
    }
}

My command class looks like this:

public class LoginCommand {
    private String user;
    private String password;

    public String getUser() {
        return user;
    }
    public void setUser(String user) {
        this.user = user;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
}

My dispatcher-servlet.xml's appropriate fragment looks like this:

....
    <bean id="loginFormController"
class="org.dyndns.orzekanie.controller.LoginFormController">
     <property name="successView" value="/navigation/logon"/>
     <property name="formView" value="/authexclude/index"/>
     <property name="validator" ref="loginValidator"/>
    </bean>
....

<bean id="urlMapping"
class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <value>
                /jsp/authexclude/index.html=loginFormController
            </value>
        </property>
        <property name="order" value="0"/>
</bean>
.....

When I'm trying to run my application and display my form I get:

2008-01-22 16:59:44,578 610 DEBUG
[org.dyndns.orzekanie.controller.LoginFormController] (main:)
Constructor
2008-01-22 16:59:44,703 735 INFO
[org.springframework.web.servlet.DispatcherServlet] (main:)
FrameworkServlet 'dispatcher': initializatio
n completed in 203 ms
2008-01-22 17:00:33,843 49875 ERROR
[org.springframework.web.servlet.tags.form.InputTag] (http-8080-
Processor24:) Neither BindingResult nor
plain target object for bean name 'loginCommand' available as request
attribute
java.lang.IllegalStateException: Neither BindingResult nor plain
target object for bean name 'loginCommand' available as request
attribute
        at
org.springframework.web.servlet.support.BindStatus.<init>(BindStatus.java:
142)
        at
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getBindStatus(AbstractDataBoundFormElementTag.java:
161)
        at
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getPropertyPath(AbstractDataBoundFormElementTag.java:
18
1)
        at
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.getName(AbstractDataBoundFormElementTag.java:
147)
        at
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.autogenerateId(AbstractDataBoundFormElementTag.java:
134
)
        at
org.springframework.web.servlet.tags.form.AbstractDataBoundFormElementTag.writeDefaultAttributes(AbstractDataBoundFormElementTag.
java:123)
........

Everything looks allright for me - I find this exception very strange.
Could someone give me some advice?
Thanks,
Pawel

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