On May 6, 2009, at 4:02 PM, Fabio Oliveira wrote:
> 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?
>
I am not, i do not have any experience using Hibernate and Spring.
Perhaps asking on a Spring-related forum might help? since i am
guessing this issue is not specific to Jersey+Spring.
Paul.
> 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
>
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