Spring - HTTP Status 404 - The requested resource is not available -

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i have 404 error when requesting page. have users page list of objects user can click on carry out number of transactions, add, edit etc.

the controller it

     @requestmapping(value="/main/user/setter/addpage/", method = requestmethod.get)  public string getaddpage(@requestparam("userid") integer userid, modelmap model) {       module module = new module();       model.addattribute("userid", userid);      model.addattribute("module", module);     return "/main/user/setter/addpage";    }

the page want get

 <c:url var="processurl" value="/main/user/setter/addpage/?id=${userid}" />  <form:form modelattribute="module" method="post" action="${processurl}" name="module"    enctype="multipart/form-data">  </form:form>

the page i'm requesting from:

   <c:foreach items="${users}" var="setter" >    <c:url var="addurl" value="/main/user/setter/addpage?userid=${setter.userid}" />     <td>    <a href="${addurl}" class="button round colour right add text-upper">add</a>    </td>

when click on add link above goes 404 page. url going through. great.

can try :

@requestmapping(value="/main/user/setter/addpage"

instead of 

@requestmapping(value="/main/user/setter/addpage/"

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