Hey Craig,
> Hi jBoss, Simone,
>
> Ive looked at BMPPersistanceManager and AbstractInstanceCache
> code and
> determined
> that a call on remove() doesnt actually remove the entity from the
> cache!!!
I should have fixed it, but may I ask you to try it out and tell if
everything is OK ? (It was a problem in the instance interceptor, BTW :)
Thanks,
Simon
> So when you try
> and create an entity with the same primary key later the
> cache throws the
> exception that
> the entity is already there. The following comment is in the
> release(EnterpriseContext)
> method, suggesting that calling release() is the best policy
> (even though
> its not called
> in the current BMPPersistanceManager.removeEntity() method!!!).
>
> // Here I remove the bean; call to
> remove(id) is wrong
> // cause will remove also the cache lock
> that is needed
> // by the passivation, that eventually will
> remove it.
>
> This is never going to work for the scenario I am trying. It
> has to be gone
> from the cache
> immediately! I added some lines to
> BMPPersistanceManager.removeEntity() to
> do this
> and it solved the problem,.. not sure what it will do to the
> passivation
> system though.
> Do we need some code to identify that a cached entity has
> been removed(),
> but not
> actually remove it, so the insert of a new entity with the
> same key can
> proceed?
>
> cheers
> craig
>
>
>
> At 14:36 11/01/01, Craig Day wrote:
> >Before I start shouting "CRIITICAL BUG" is there anything I
> should check
> >in relation
> >to configuration of jboss that may cause the problem:
> >
> >The following code snippet inside the stateless session bean
> >SimpleSessionBean:
> >
> >System.out.println("Looking up referance");
> >Object ref = jndiContext.lookup("CategoryBean");
> >System.out.println("Got reference");
> >CategoryHome home = (CategoryHome)
> > PortableRemoteObject.narrow (ref, CategoryHome.class);
> >
> >Category cat = home.create("xxx");
> >System.out.println(cat.getCategoryID());
> >cat.remove();
> >home.create("xxx");
> >
> >produces the following error in jBoss (latest CVS)
> >
> >[Default] JBoss PRE-2.1 Started
> >[SimpleSessionBean] Got context
> >[SimpleSessionBean] Looking up referance
> >[SimpleSessionBean] Got reference
> >[CategoryBean] CategoryBean: in setEntityContext()
> >[CategoryBean] CategoryBean: in ejbCreate()
> >[CategoryBean] CategoryBean: in ejbPostCreate()
> >[SimpleSessionBean] xxx
> >[CategoryBean] CategoryBean: in ejbRemove()
> >[CategoryBean] CategoryBean: in setEntityContext()
> >[CategoryBean] CategoryBean: in ejbCreate()
> >[CategoryBean] TRANSACTION ROLLBACK EXCEPTION:null; nested
> exception is:
> > javax.ejb.EJBException
> >[CategoryBean] java.lang.IllegalStateException: INSERTING AN ALREADY
> >EXISTING BEAN, ID = xxx
> >[CategoryBean] at
> >org.jboss.ejb.plugins.AbstractInstanceCache.insert(AbstractIn
> stanceCache.java:205)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.BMPPersistenceManager.createEntity(BMPP
> ersistenceManager.java:165)
> >[CategoryBean] at
> >org.jboss.ejb.EntityContainer.createHome(EntityContainer.java:441)
> >[CategoryBean] at java.lang.reflect.Method.invoke(Native Method)
> >[CategoryBean] at
> >org.jboss.ejb.EntityContainer$ContainerInterceptor.invokeHome
> (EntityContainer.java:639)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.EntitySynchronizationInterceptor.invoke
> Home(EntitySynchronizationInterceptor.java:160)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.EntityInstanceInterceptor.invokeHome(En
> tityInstanceInterceptor.java:87)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.TxInterceptorCMT.invokeNext(TxIntercept
> orCMT.java:135)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(Tx
> InterceptorCMT.java:263)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.TxInterceptorCMT.invokeHome(TxIntercept
> orCMT.java:86)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.SecurityInterceptor.invokeHome(Security
> Interceptor.java:125)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.LogInterceptor.invokeHome(LogIntercepto
> r.java:106)
> >[CategoryBean] at
> >org.jboss.ejb.EntityContainer.invokeHome(EntityContainer.java:316)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.jrmp.server.JRMPContainerInvoker.invoke
> Home(JRMPContainerInvoker.java:404)
> >[CategoryBean] at
> >org.jboss.ejb.plugins.jrmp.interfaces.HomeProxy.invoke(HomePr
> oxy.java:198)
> >[CategoryBean] at $Proxy4.create(Unknown Source)
> >[CategoryBean] at
> site.SimpleSessionBean.doit(SimpleSessionBean.java:59)
> >
> >with the following deployment descriptor:
> >
> ><ejb-jar>
> > <enterprise-beans>
> > <entity>
> > <description>Models a Category</description>
> > <ejb-name>CategoryBean</ejb-name>
> > <home>site.CategoryHome</home>
> > <remote>site.Category</remote>
> > <ejb-class>site.CategoryBean</ejb-class>
> > <persistence-type>Bean</persistence-type>
> >
> <prim-key-class>java.lang.String</prim-key-class>
> > <transaction-type>Container</transaction-type>
> > <reentrant>true</reentrant>
> > </entity>
> >
> > <session>
> > <description>A Simple Session Bean</description>
> > <ejb-name>SimpleSessionBean</ejb-name>
> > <home>site.SimpleSessionHome</home>
> > <remote>site.SimpleSession</remote>
> > <ejb-class>site.SimpleSessionBean</ejb-class>
> > <session-type>Stateless</session-type>
> > <transaction-type>Container</transaction-type>
> > </session>
> >
> > <container-transaction>
> > <method>
> > <ejb-name>SimpleSessionBean</ejb-name>
> > <method-name>*</method-name>
> > </method>
> > <trans-attribute>Required</trans-attribute>
> > </container-transaction>
> >
> > </enterprise-beans>
> ></ejb-jar>
> >
> >
> >
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