Latest version liferay support better way to configure friendly URL mapping. In this article, I’ll show you how to add friendly URL into your existing portlet.
In this tutorial I’ll show you how to use the annotation way to validate your form in portlet with spring mvc.
1) Login to glassfish admin http://localhost:4848 2) Go to the Application server and select the JVM Setting 3) Be sure to checked the debug checkbox 4) Save the changed and restart server required 5) Right click the project and select
Portlet 2.0 support inter-portlet communication, the following simple example show the step by step together using spring and portlet. You may download the source from here