When I put " <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>" in the jsp file, I get the following error message "Error Parsing /paginas/home.jsp: Error Traced[line: 1] The markup in the document preceding the root element must be well-formed.". Anybody could help me?

On the other hand, if I put " <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %>" by "