Re: [eclipselink-users] Lazy Fetch and weblogic issue

[Tom Ware <tom.ware@xxxxxxxxxx>]

Weaving should be transparent to you when running on WebLogic.

What does your Person class look like?

-Tom

Kim LiChong wrote:
>  Hi,
>
> I am deploying a webapp to Weblogic 10.3.1.0 with eclipselink 1.1.  I am 
> using resource injection in a ModelFacade class to get EntityManager 
> Factory:
>
>
> public class ModelFacade implements ServletContextListener {
>
>  @PersistenceUnit(unitName = "BPWebappPu")
>  private EntityManagerFactory emf;
>  @Resource
>  private UserTransaction utx;
>
>
> I don't have any weave specific properties set in my persistence.xml 
> either:
> <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence";>
> <persistence-unit name="BPWebappPu">
>  <description>BPWebapp Persistence Unit
>  </description>
>  <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
>  <jta-data-source>jdbc/BPWebappDB</jta-data-source>
>  <properties>
>    <!-- for eclipselink 1.0 -->
>    <property name="eclipselink.target-database" 
> value="org.eclipse.persistence.platform.database.MySQLPlatform"/>
>
>  </properties>
> </persistence-unit>
> </persistence>
>
> I am getting the following exception after deploying and hitting the 
> home page for the first time:
>
>
> ####<Aug 24, 2009 3:11:10 PM PDT> <Error> <HTTP> <etc01> <AdminServer> 
> <[ACTIVE] ExecuteThread: '3' for queue: 'weblogic.kernel.Default 
> (self-tuning)'> <<WLS Kernel>> <> <> <12511518704
> 52> <BEA-101020> <[ServletContext@16140565[app:_appsdir_webapp_war 
> module:webapp.war path:/webapp spec-version:2.5]] Servlet failed with 
> Exception
> javax.persistence.PersistenceException: Exception [EclipseLink-0] 
> (Eclipse Persistence Services - 1.1.1.v20090430-r4097): 
> org.eclipse.persistence.exceptions.IntegrityException
> Descriptor Exceptions:
> ---------------------------------------------------------
>
> Descriptor Exceptions:
> ---------------------------------------------------------
>
> Exception [EclipseLink-60] (Eclipse Persistence Services - 
> 1.1.1.v20090430-r4097): 
> org.eclipse.persistence.exceptions.DescriptorException
> Exception Description: The method [_persistence_setaddress_vh] or 
> [_persistence_getaddress_vh] is not defined in the object 
> [org.apache.olio.webapp.model.Person].
> Internal Exception: java.lang.NoSuchMethodException: 
> org.apache.olio.webapp.model.Person._persistence_getaddress_vh()
> Mapping: org.eclipse.persistence.mappings.OneToOneMapping[address]
> Descriptor: RelationalDescriptor(org.apache.olio.webapp.model.Person --> 
> [DatabaseTable(PERSON)])
>
> Exception [EclipseLink-60] (Eclipse Persistence Services - 
> 1.1.1.v20090430-r4097): 
> org.eclipse.persistence.exceptions.DescriptorException
> Exception Description: The method [_persistence_setaddress_vh] or 
> [_persistence_getaddress_vh] is not defined in the object 
> [org.apache.olio.webapp.model.SocialEvent].
> Internal Exception: java.lang.NoSuchMethodException: 
> org.apache.olio.webapp.model.SocialEvent._persistence_getaddress_vh()
> Mapping: org.eclipse.persistence.mappings.OneToOneMapping[address]
> Descriptor: 
> RelationalDescriptor(org.apache.olio.webapp.model.SocialEvent --> 
> [DatabaseTable(SOCIALEVENT)])
>
> Runtime Exceptions:
> ---------------------------------------------------------
>
> java.lang.NullPointerException
>
> java.lang.NullPointerException
>
>  at 
> org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:272) 
>
>  at 
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.getServerSession(EntityManagerFactoryImpl.java:111) 
>
>  at 
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:163) 
>
>  at 
> org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:150) 
>
>  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
>
>  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
>
>  at java.lang.reflect.Method.invoke(Method.java:597)
>  at 
> weblogic.deployment.EntityManagerFactoryProxyImpl.invoke(EntityManagerFactoryProxyImpl.java:75) 
>
>  at $Proxy117.createEntityManager(Unknown Source)
>  at 
> org.apache.olio.webapp.model.ModelFacade.getSocialEvents(ModelFacade.java:1076) 
>
>  at 
> org.apache.olio.webapp.controller.EventAction.listEvents(EventAction.java:219) 
>
>  at 
> org.apache.olio.webapp.controller.EventAction.process(EventAction.java:57)
>  at 
> org.apache.olio.webapp.controller.ControllerServlet.process(ControllerServlet.java:61) 
>
>  at 
> org.apache.olio.webapp.controller.ControllerServlet.doGet(ControllerServlet.java:93) 
>
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
>  at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>  at 
> weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227) 
>
>  at 
> weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125) 
>
>  at 
> weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:292)
>
>
> Note that for both of the address fields "Address" mentioned in Person 
> and Social event, they are defined as LAZY type fetches.
>
> I had a colleague inform me that since the resource injection is being 
> injected, the weaving should be transparent to me and should occur 
> between WebLogic and Eclipselink.  However, the error seems to indicate 
> that the weaving did not occur. Any ideas?
>
> Thanks for the help,
>
> Kim
>
>
>
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