JSTL - c:url not working with form action
You can't use a tag inside a tag. So just separate your tags as follows:
<c:url var="post_url" value="/user/add" />
<sf:form commandName="user" method="post" action="${post_url}">
You can't use a tag inside a tag. So just separate your tags as follows:
<c:url var="post_url" value="/user/add" />
<sf:form commandName="user" method="post" action="${post_url}">