RenderURL doesn't work in Nested Applications Portlet
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Issue
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If you deploy a portlet within the "Nested Applications" portlet that has a <liferay-portlet:renderURL > tag in the JSP, the url that is rendered is not "recognized" by the portlet and a redirect does not occur.
For example, if you have a portlet that will take a parameter and then redirect users to a particular page on the system based on the forwardTo parameter:
<liferay-portlet:renderURL var="forwardToTEURL">
<portlet:param name="forwardTo" value="TE" />
</liferay-portlet:renderURL>
The portlet will not work as intended when it is deployed within a "Nested Applications" Portlet, and redirect will not occur.
Resolution
- The actionURL should be used instead of the renderURL to send redirects.
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