java.lang.NullPointerException
	at net.datasiel.eco3.action.browse.LinkPaginaAction.perform(LinkPaginaAction.java:121)
	at org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1787)
	at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1586)
	at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:492)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at com.broadvision.servlet.ServletContainer.service(ServletContainer.java:415)
	at com.broadvision.servlet.ServletContainer.processRequest(ServletContainer.java:359)
	at com.broadvision.servlet.ServletContextContainer.processRequest(ServletContextContainer.java:825)
	at com.broadvision.servlet.BVServletEngine.service(BVServletEngine.java:255)
	at com.broadvision.servlet.BVServletConnector.service(BVServletConnector.java:151)