Problemas persistir hibernate no relacionamento/Associações

Assuntos Gerais
#1

Olá, pessoal!

Estou tentando e aprendendo mais profundidade sobre hibernate, entao tentando para funcionar e ocorreu os erros, veja em baixo.

mensagem de Erro


HTTP Status 500 - 

--------------------------------------------------------------------------------

type Exception report

message 

description The server encountered an internal error () that prevented it from fulfilling this request.

exception 

org.hibernate.AnnotationException: Illegal attempt to map a non collection as a @OneToMany, @ManyToMany or @CollectionOfElements: Persistencia.Cliente.reservas
	org.hibernate.cfg.annotations.CollectionBinder.getCollectionBinder(CollectionBinder.java:266)
	org.hibernate.cfg.AnnotationBinder.processElementAnnotations(AnnotationBinder.java:1448)
	org.hibernate.cfg.AnnotationBinder.bindClass(AnnotationBinder.java:754)
	org.hibernate.cfg.AnnotationConfiguration.processArtifactsOfType(AnnotationConfiguration.java:546)
	org.hibernate.cfg.AnnotationConfiguration.secondPassCompile(AnnotationConfiguration.java:291)
	org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1319)
	org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:867)
	Controlador.IncluirServlet.doGet(IncluirServlet.java:30)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

Classe Reservas

@Entity
public class Reserva {
	@Id
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	@Column(name="id_reserva")
	private int idReserva;
	@Column(unique=true,nullable=true,insertable=true,updatable=false)
	private int codigo;
	@Column(name="data_inicio",nullable=true,insertable=true,updatable=true)
	@Temporal(TemporalType.DATE)
	private Calendar dataInicio;
	@Column(name="data_final",nullable=true,insertable=true,updatable=true)
	@Temporal(TemporalType.DATE)
	private Calendar dataFinal;
	@ManyToOne(fetch=FetchType.LAZY)
	@JoinColumn(name="id_veiculos",insertable=true,updatable=true)
	@Fetch(FetchMode.JOIN)
	private Veiculos veiculo;
	@ManyToOne(fetch=FetchType.LAZY)
	@JoinColumn(name="id_cliente",insertable=true,updatable=true)
	@Fetch(FetchMode.JOIN)
	private Cliente cliente;
      // getters e setters

Classe Cliente

@Entity
public class Cliente {
	@Id
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	@Column(name="id_cliente")
	private int idCliente;
	@Column(insertable=true,nullable=false,updatable=true)
	private String nome;
	@Column(insertable=true,nullable=false,updatable=true)
	private String endereco;
	@OneToMany(mappedBy="cliente",fetch=FetchType.LAZY)
	@Cascade(CascadeType.ALL)
	private ArrayList<Reserva> reservas;
          //Getters e Setters

Classe Veiculos

@Entity
public class Veiculos {
	@Id
	@GeneratedValue(strategy=GenerationType.IDENTITY)
	@Column(name="id_veiculos")
	private int idVeiculos;
	@Column(length=100,insertable=true,nullable=false,updatable=false)
	private String modelo;
	@Column(unique=true, nullable=true,insertable=true,updatable=false)
	private String placa;
	@Column(insertable=true,nullable=true,updatable=false)
	private int ano;
	@Column(length=15,nullable=true,insertable=true,updatable=false)
	private String cor;
	@Column(name="data_fabricacao",nullable=true,insertable=true,updatable=false)
	@Temporal(TemporalType.DATE)
	private Calendar dataFabricacao;
	@Column(name="valor_diaria",nullable=true,insertable=true,updatable=false)
	private double valorDiaria;
	@OneToMany(mappedBy="veiculo",fetch=FetchType.LAZY)
	@Cascade(CascadeType.ALL)
	private ArrayList<Reserva> reservas;
          //Getters e Setters

Espero que me ajudem obrigado!!!

#2