Critéria retorna um erro, se existir omonomia!

(Clientef)c.uniqueResult();

c.toList();

package br.gov.nutec.facade;
import java.util.List;
import br.gov.nutec.modelo.Clientef;

public interface ClientefFacade extends BaseFacade<Clientef>{
	public void salva(Clientef p);

	public void remove(Clientef p);

	public Clientef procura(Long id);

	public void atualiza(Clientef p);

        public List<Clientef> lista(String nome);

        public List<Clientef> pesquisaClientefsByNome(String nome);

	//public boolean autentica(String email, String senha, String status);
        
}

package br.gov.nutec.mb;

import java.io.IOException;
import java.io.Serializable;
import java.util.List;

import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import br.gov.nutec.facade.ClientefFacade;
import br.gov.nutec.facade.ClientefFacadeImpl;
import br.gov.nutec.modelo.Clientef;

public class ClientefMB implements Serializable {

	private static long serialVersionUID = -333995781063775201L;

              /**
               * @return the serialVersionUID
               */
              public static long getSerialVersionUID() {
                            return serialVersionUID;
              }

              /**
               * @param aSerialVersionUID the serialVersionUID to set
               */
              public static void setSerialVersionUID(long aSerialVersionUID) {
                            serialVersionUID = aSerialVersionUID;
              }

	private Clientef clientef = new Clientef();   //campos criados
	private Long id;
        

	public ClientefMB(){
		System.out.println(" >>>>>>>>>>>>>>>>>>>> Contrutor do CLIENTEF_MB <<<<<<<<<<<<<<<<<<");

		if(this.clientef == null){
			this.clientef = new Clientef();
		}
	}

public String login() throws Exception{
        boolean logado = true;


        HttpSession session = (HttpSession) FacesContext.getCurrentInstance().getExternalContext().getSession(false);
        HttpServletResponse rp = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext().getResponse();
        HttpServletRequest rq = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
        ClientefFacade ClientefService = new ClientefFacadeImpl();

       //logado = ClientefService.autentica(this.getClientef().getEmail(), this.getClientef().getSenha(),this.getClientef().getStatus());

        if(logado){
            session.setAttribute("user", logado);
            rp.sendRedirect(rq.getContextPath() + "/pages/index.jsf");
            return "success";

        }else{

            session.setAttribute("user", null);
            session.removeAttribute("user");
            rp.sendRedirect(rq.getContextPath() + "/pages/login/login.jsf");
            return "failure";
        }


        }


	public String logout() {
		HttpServletRequest rq = (HttpServletRequest) FacesContext.getCurrentInstance().getExternalContext().getRequest();
		HttpServletResponse rp = (HttpServletResponse) FacesContext.getCurrentInstance().getExternalContext().getResponse();
		FacesContext facesContext = FacesContext.getCurrentInstance();
		HttpSession session = (HttpSession) facesContext.getExternalContext().getSession(false);
		session.invalidate();
		try {
			rp.sendRedirect(rq.getContextPath() + "/pages/login/login.jsf");
		} catch (IOException e) {
			e.printStackTrace();
		}

		return "logoutOk";
	}

	public String save(){
		ClientefFacade clientefService = new ClientefFacadeImpl();
		clientefService.salva(this.getClientef());
	        this.setClientef(new Clientef());
		return "cadastraSucesso";
	}

	public String delete(){
		ClientefFacade clientefService = new ClientefFacadeImpl();
                this.getClientef().setId(getId());
		clientefService.remove(this.getClientef());
	        this.setClientef(new Clientef());
		return "removeSucesso";
	}

	public String merge(){
		ClientefFacade clientefService = new ClientefFacadeImpl();
		clientefService.atualiza(this.getClientef());
	        this.setClientef(new Clientef());
		return "atualizaSucesso";
	}

	public String load(){
		ClientefFacade clientefService = new ClientefFacadeImpl();
	        this.setClientef(clientefService.procura(this.getId()));
		return "pesquisaSucesso";
	}
	public String pesquisaByNome(){
		ClientefFacadeImpl clientefService = new ClientefFacadeImpl();
		this.setClientef(clientefService.procuraByNome(this.getClientef().getNome()));
		return "pesquisaByNomeSucesso";
	}

	public List<Clientef> getClientefs(){
		ClientefFacade clientefService = new ClientefFacadeImpl();
		return clientefService.lista();
	}
	public List<Clientef> getClientefsByNome(){
		ClientefFacade clientefService = new ClientefFacadeImpl();// plura por causa da tabela
		List<Clientef> lista = clientefService.pesquisaClientefsByNome(this.getClientef().getNome());
		return lista;
	}

    public Clientef getClientef() {
        return clientef;
    }

    public void setClientef(Clientef clientef) {
        this.clientef = clientef;
    }

    public Long getId() {
        return id;
    }

    public void setId(Long id) {
        this.id = id;
    }




}

public Clientef pesquisaClientefsByNome(String nome) {
		logger.info("pesquisasClientefByNome : " + nome);
		Criteria c = session.createCriteria(Clientef.class);
		c.add(Restrictions.ilike("nome", "%" + nome + "%"));
                c.addOrder(Order.desc("nome"));
                return (Clientef)c.toList();
		//return (Clientef)c.uniqueResult();
	}

init:
undeploy-clean:
deps-clean:
do-clean:
Deleting directory /home/junior/Dionisio/nbbuild
Deleting directory /home/junior/Dionisio/dist
check-clean:
clean:
init:
deps-module-jar:
deps-ear-jar:
deps-jar:
Created dir: /home/junior/Dionisio/nbbuild/web/WEB-INF/classes
Copying 242 files to /home/junior/Dionisio/nbbuild/web
library-inclusion-in-archive:
library-inclusion-in-manifest:
Created dir: /home/junior/Dionisio/nbbuild/empty
Compiling 18 source files to /home/junior/Dionisio/nbbuild/web/WEB-INF/classes
/home/junior/Dionisio/src/br/gov/nutec/dao/ClientefDAO.java:32: cannot find symbol
symbol  : method toList()
location: interface org.hibernate.Criteria
                return (Clientef)c.toList();
1 error
/home/junior/Dionisio/nbproject/build-impl.xml:407: The following error occurred while executing this line:
/home/junior/Dionisio/nbproject/build-impl.xml:230: Compile failed; see the compiler error output for details.
FALHA NA CONSTRUÇÃO (tempo total: 0 segundos)

c.list()