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Neither BindingResult nor plain target object for bean name 'command' available as request attribute

vivek dhiman
Ranch Hand

Joined: Aug 05, 2011
Posts: 86

Hi I am getting exception Neither BindingResult nor plain target object for bean name 'command' available as request attribute when run login form with <form:form> tags. It works fine with normal html code but spring's form tag giving be this exception. Please resolve. I am posting few files of code as below.
Login.jsp


Web.xml

Dispatcher_Servlet.xml

Controller :


Attached is the directory structure.
Thanks.


[Thumbnail for Eclipse.png]

vivek dhiman
Ranch Hand

Joined: Aug 05, 2011
Posts: 86



Still not sorted.
Bill Gorder
Bartender

Joined: Mar 07, 2010
Posts: 1632
    
    7

Use the modelAttribute attribute of the Spring form tag to specify the model name you are binding to.


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vivek dhiman
Ranch Hand

Joined: Aug 05, 2011
Posts: 86

Thanks Bill for your reply. As i just started the use of <form:form> tags so its not clear for me yet. Can you please tell me how model attribute works & what changes should i have to apply in code to run it.

Regards.
Bill Gorder
Bartender

Joined: Mar 07, 2010
Posts: 1632
    
    7

First of all don't implement Spring interfaces like Controller or extend Spring classes like SimpleFormController. Use the modern @Controller style instead. Have a look at this tutorial to get you started. It seems hard to find up-to date blogs out there anymore.

http://krams915.blogspot.com/2010/12/spring-3-mvc-using-modelattribute-in.html

You can scroll down and look at the editpage.jsp for the modelAttribute tag in action.
 
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