Hi, Paul, thanks for your answer.
But in my case I'm using the
org.springframework.orm.hibernate3.support.OpenSessionInViewFilter in
my web.xml configuration, this isn't enough?
Are you doing something alike? Could you show some examples?
Thanks again!
On Tue, May 5, 2009 at 5:44 PM, Paul Sandoz <Paul.Sandoz_at_sun.com> wrote:
> Hi Fábio,
>
> Does the following help:
>
> http://stackoverflow.com/questions/345705/hibernate-lazyinitializationexception-could-not-initialize-proxy
>
> I think the problem is that after the method is returned the transaction
> goes out of scope, but the object is lazily initialized after the method has
> returned.
>
> I often find that googling such exceptions can help:
>
> http://www.google.co.uk/search?hl=en&q=org.hibernate.LazyInitializationException%3A+could+not+initialize+proxy+-+no+Session&btnG=Google+Search&meta=&aq=f&oq=
>
> Paul.
>
> On May 5, 2009, at 10:35 PM, Fabio Oliveira wrote:
>
>> Hi list!
>>
>> Probably I'm doing something really stupid, but all day I'm fighting
>> against the integration between Spring and Jersey and Hibernate.
>>
>> I'm trying to do the basic: to access some persistent classes using
>> a Restful architecture. But when I try to get a reference for another
>> persistent class, Hibernate throws a LazyInitializationException.
>>
>> Example:
>>
>> public class Person {
>> private int id;
>> private String name;
>> private Address address;
>>
>> ... getters and setters ...
>> }
>>
>> public class Address {
>> private int id;
>> private String street
>> ... getters and setters ...
>> }
>>
>> @Path("/person")
>> @Component
>> @Scope("singleton")
>> @Produces({MediaType.APPLICATION_JSON, MediaType.TEXT_XML})
>> @Transactional
>> public class PersonResource {
>>
>> @Autowired
>> private RepositorioPapel personRepository;
>>
>> @Path("{id}")
>> @GET
>> public Person getPerson(@PathParam("id")
>> int id) {
>> Person p = personRepository.get(id);
>> if (p == null) {
>> throw new NotFoundException("Person not found");
>> }
>> return p;
>> }
>>
>> }
>>
>> My web.xml:
>>
>> <web-app>
>> <display-name>Server</display-name>
>> <context-param>
>> <param-name>contextConfigLocation</param-name>
>> <param-value>/WEB-INF/applicationContext.xml</param-value>
>> </context-param>
>>
>> <filter>
>> <filter-name>hibernateFilter</filter-name>
>>
>>
>> <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
>> </filter>
>>
>> <filter-mapping>
>> <filter-name>hibernateFilter</filter-name>
>> <url-pattern>/resources/*</url-pattern>
>> </filter-mapping>
>>
>> <listener>
>>
>>
>> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
>> </listener>
>> <servlet>
>> <servlet-name>Jersey Spring Web Application</servlet-name>
>>
>>
>> <servlet-class>com.sun.jersey.spi.spring.container.servlet.SpringServlet</servlet-class>
>> <load-on-startup>1</load-on-startup>
>> </servlet>
>> <servlet-mapping>
>> <servlet-name>Jersey Spring Web Application</servlet-name>
>> <url-pattern>/resources/*</url-pattern>
>> </servlet-mapping>
>> <welcome-file-list>
>> <welcome-file>index.html</welcome-file>
>> </welcome-file-list>
>> </web-app>
>>
>> As you can see, I'm trying to use the OpenSessionInViewFilter, but
>> always with the same result:
>>
>> org.hibernate.LazyInitializationException: could not initialize proxy -
>> no Session
>>
>>
>> org.hibernate.proxy.AbstractLazyInitializer.initialize(AbstractLazyInitializer.java:57)
>>
>>
>> org.hibernate.proxy.AbstractLazyInitializer.getImplementation(AbstractLazyInitializer.java:111)
>>
>>
>> org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:150)
>> Address$$EnhancerByCGLIB$$a03449c5.getStreet(<generated>)
>> Address
>>
>> $JaxbAccessorM_getStreet_setStreet_java_lang_String.get(MethodAccessor_Ref.java:52)
>> ...
>>
>>
>> Anyone already did something similar? Any clues?
>>
>> Thanks very much!
>>
>>
>> --
>>
>> Fábio Braga de Oliveira
>> ArchitecTeam Consulting
>> http://www.linkedin.com/in/fabiobragaoliveira
>> E-mail: fabio.braga_at_gmail.com
>>
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>
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--
Fábio Braga de Oliveira
ArchitecTeam Consulting
http://www.linkedin.com/in/fabiobragaoliveira
E-mail: fabio.braga_at_gmail.com
Mobile: +55 19 9270-6574