Get a variable for the url usign the portlet tag
<portlet:renderURL var="url1">
<portlet:param name="url" value="displayurl1"/>
</portlet:renderURL>
Use it in an href
<p><a href="<%=url1%>">Here is the link</a></p>
satya - Sunday, October 22, 2006 8:20:10 AM
Nature of a render url in liferay
http://localhost:8080/c/portal/layout?p_l_id=PRI.15.1 &p_p_id=AspirePortlet1 &p_p_action=0 &p_p_state=normal &p_p_mode=view &p_p_col_id=column-1 &p_p_col_pos=4 &p_p_col_count=6 &_AspirePortlet1_url=IndentHome2URL &#p_AspirePortlet1
See how a parameter called "url" is encoded or prefixed with the portlet name