Kleber Mota Kleber Mota - 6 months ago 9
Java Question

LazyInitializationException: failed to lazily initialize a collection of roles, could not initialize proxy - no Session

In the custom AuthenticationProvider from my spring project, I am trying read the list of authorities of the logged user, but I am facing the following error:

org.hibernate.LazyInitializationException: failed to lazily initialize a collection of role: com.horariolivre.entity.Usuario.autorizacoes, could not initialize proxy - no Session
at org.hibernate.collection.internal.AbstractPersistentCollection.throwLazyInitializationException(AbstractPersistentCollection.java:566)
at org.hibernate.collection.internal.AbstractPersistentCollection.withTemporarySessionIfNeeded(AbstractPersistentCollection.java:186)
at org.hibernate.collection.internal.AbstractPersistentCollection.initialize(AbstractPersistentCollection.java:545)
at org.hibernate.collection.internal.AbstractPersistentCollection.read(AbstractPersistentCollection.java:124)
at org.hibernate.collection.internal.PersistentBag.iterator(PersistentBag.java:266)
at com.horariolivre.security.CustomAuthenticationProvider.authenticate(CustomAuthenticationProvider.java:45)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:156)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:177)
at org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter.attemptAuthentication(UsernamePasswordAuthenticationFilter.java:94)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:211)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:57)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)


Reading other topics from here in StackOberflow, I understand this happens due the way this type of atribute is handled by the framework, but i can't figure out any solution for my case. Someone can point what i am doing wrong and what I can do to fix it?

The code of my Custom AuthenticationProvider is:

@Component
public class CustomAuthenticationProvider implements AuthenticationProvider {

@Autowired
private UsuarioHome usuario;

public CustomAuthenticationProvider() {
super();
}

@Override
public Authentication authenticate(Authentication authentication) throws AuthenticationException {
System.out.println("CustomAuthenticationProvider.authenticate");

String username = authentication.getName();
String password = authentication.getCredentials().toString();

Usuario user = usuario.findByUsername(username);

if (user != null) {
if(user.getSenha().equals(password)) {
List<AutorizacoesUsuario> list = user.getAutorizacoes();

List <String> rolesAsList = new ArrayList<String>();
for(AutorizacoesUsuario role : list){
rolesAsList.add(role.getAutorizacoes().getNome());
}

List<GrantedAuthority> authorities = new ArrayList<GrantedAuthority>();
for (String role_name : rolesAsList) {
authorities.add(new SimpleGrantedAuthority(role_name));
}

Authentication auth = new UsernamePasswordAuthenticationToken(username, password, authorities);
return auth;
}
else {
return null;
}
} else {
return null;
}
}

@Override
public boolean supports(Class<?> authentication) {
return authentication.equals(UsernamePasswordAuthenticationToken.class);
}

}


My Entity classes are:

UsuarioHome.java

@Entity
@Table(name = "usuario")
public class Usuario implements java.io.Serializable {

private int id;
private String login;
private String senha;
private String primeiroNome;
private String ultimoNome;
private List<TipoUsuario> tipoUsuarios = new ArrayList<TipoUsuario>();
private List<AutorizacoesUsuario> autorizacoes = new ArrayList<AutorizacoesUsuario>();
private List<DadosUsuario> dadosUsuarios = new ArrayList<DadosUsuario>();
private ConfigHorarioLivre config;

public Usuario() {
}

public Usuario(String login, String senha) {
this.login = login;
this.senha = senha;
}

public Usuario(String login, String senha, String primeiroNome, String ultimoNome, List<TipoUsuario> tipoUsuarios, List<AutorizacoesUsuario> autorizacoesUsuarios, List<DadosUsuario> dadosUsuarios, ConfigHorarioLivre config) {
this.login = login;
this.senha = senha;
this.primeiroNome = primeiroNome;
this.ultimoNome = ultimoNome;
this.tipoUsuarios = tipoUsuarios;
this.autorizacoes = autorizacoesUsuarios;
this.dadosUsuarios = dadosUsuarios;
this.config = config;
}

public Usuario(String login, String senha, String primeiroNome, String ultimoNome, String tipoUsuario, String[] campos) {
this.login = login;
this.senha = senha;
this.primeiroNome = primeiroNome;
this.ultimoNome = ultimoNome;
this.tipoUsuarios.add(new TipoUsuario(this, new Tipo(tipoUsuario)));
for(int i=0; i<campos.length; i++)
this.dadosUsuarios.add(new DadosUsuario(this, null, campos[i]));
}

@Id
@Column(name = "id", unique = true, nullable = false)
@GeneratedValue(strategy=GenerationType.AUTO)
public int getId() {
return this.id;
}

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

@Column(name = "login", nullable = false, length = 16)
public String getLogin() {
return this.login;
}

public void setLogin(String login) {
this.login = login;
}

@Column(name = "senha", nullable = false)
public String getSenha() {
return this.senha;
}

public void setSenha(String senha) {
this.senha = senha;
}

@Column(name = "primeiro_nome", length = 32)
public String getPrimeiroNome() {
return this.primeiroNome;
}

public void setPrimeiroNome(String primeiroNome) {
this.primeiroNome = primeiroNome;
}

@Column(name = "ultimo_nome", length = 32)
public String getUltimoNome() {
return this.ultimoNome;
}

public void setUltimoNome(String ultimoNome) {
this.ultimoNome = ultimoNome;
}

@ManyToMany(cascade=CascadeType.ALL)
@JoinTable(name = "tipo_usuario", joinColumns = { @JoinColumn(name = "fk_usuario") }, inverseJoinColumns = { @JoinColumn(name = "fk_tipo") })
@LazyCollection(LazyCollectionOption.TRUE)
public List<TipoUsuario> getTipoUsuarios() {
return this.tipoUsuarios;
}

public void setTipoUsuarios(List<TipoUsuario> tipoUsuarios) {
this.tipoUsuarios = tipoUsuarios;
}

@ManyToMany(cascade=CascadeType.ALL)
@JoinTable(name = "autorizacoes_usuario", joinColumns = { @JoinColumn(name = "fk_usuario") }, inverseJoinColumns = { @JoinColumn(name = "fk_autorizacoes") })
@LazyCollection(LazyCollectionOption.TRUE)
public List<AutorizacoesUsuario> getAutorizacoes() {
return this.autorizacoes;
}

public void setAutorizacoes(List<AutorizacoesUsuario> autorizacoes) {
this.autorizacoes = autorizacoes;
}

@ManyToMany(cascade=CascadeType.ALL)
@JoinTable(name = "dados_usuario", joinColumns = { @JoinColumn(name = "fk_usuario") }, inverseJoinColumns = { @JoinColumn(name = "fk_dados") })
@LazyCollection(LazyCollectionOption.TRUE)
public List<DadosUsuario> getDadosUsuarios() {
return this.dadosUsuarios;
}

public void setDadosUsuarios(List<DadosUsuario> dadosUsuarios) {
this.dadosUsuarios = dadosUsuarios;
}

@OneToOne
@JoinColumn(name="fk_config")
public ConfigHorarioLivre getConfig() {
return config;
}

public void setConfig(ConfigHorarioLivre config) {
this.config = config;
}
}


AutorizacoesUsuario.java

@Entity
@Table(name = "autorizacoes_usuario", uniqueConstraints = @UniqueConstraint(columnNames = "id"))
public class AutorizacoesUsuario implements java.io.Serializable {

private int id;
private Usuario usuario;
private Autorizacoes autorizacoes;

public AutorizacoesUsuario() {
}

public AutorizacoesUsuario(Usuario usuario, Autorizacoes autorizacoes) {
this.usuario = usuario;
this.autorizacoes = autorizacoes;
}

@Id
@Column(name = "id", unique = true, nullable = false)
@GeneratedValue(strategy=GenerationType.AUTO)
public int getId() {
return this.id;
}

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

@OneToOne
@JoinColumn(name = "fk_usuario", nullable = false, insertable = false, updatable = false)
public Usuario getUsuario() {
return this.usuario;
}

public void setUsuario(Usuario usuario) {
this.usuario = usuario;
}

@OneToOne
@JoinColumn(name = "fk_autorizacoes", nullable = false, insertable = false, updatable = false)
public Autorizacoes getAutorizacoes() {
return this.autorizacoes;
}

public void setAutorizacoes(Autorizacoes autorizacoes) {
this.autorizacoes = autorizacoes;
}

}


Autorizacoes.java

@Entity
@Table(name = "autorizacoes")
public class Autorizacoes implements java.io.Serializable {

private int id;
private String nome;
private String descricao;

public Autorizacoes() {
}

public Autorizacoes(String nome) {
this.nome = nome;
}

public Autorizacoes(String nome, String descricao) {
this.nome = nome;
this.descricao = descricao;
}

@Id
@Column(name = "id", unique = true, nullable = false)
@GeneratedValue(strategy=GenerationType.AUTO)
public int getId() {
return this.id;
}

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

@Column(name = "nome", nullable = false, length = 16)
public String getNome() {
return this.nome;
}

public void setNome(String nome) {
this.nome = nome;
}

@Column(name = "descricao", length = 140)
public String getDescricao() {
return this.descricao;
}

public void setDescricao(String descricao) {
this.descricao = descricao;
}
}


Full project available on github

--> https://github.com/klebermo/webapp_horario_livre

Answer

You need to either add fetchType=FetchType.EAGER inside your ManyToMany annotations to automatically pull back child entities, a better option would be to implement a spring transactionManager by adding the following to your spring configuration file:

<bean id="transactionManager"
    class="org.springframework.orm.hibernate4.HibernateTransactionManager">
    <property name="sessionFactory" ref="sessionFactory" />
</bean>

<tx:annotation-driven />

You can then add an @Transactional annotation to your authenticate method like so:

@Transactional
public Authentication authenticate(Authentication authentication)

This will then start a db transaction for the duration of the authenticate method allowing any lazy collection to be retrieved from the db as and when you try to use them.