[ http://jira.jboss.com/jira/browse/JBAS-1566?page=history ]
Scott M Stark updated JBAS-1566:
--------------------------------
Priority: Major (was: Critical)
> getEJBLocalObject error affects JBoss AS 4.0.1 also
> ---------------------------------------------------
>
> Key: JBAS-1566
> URL: http://jira.jboss.com/jira/browse/JBAS-1566
> Project: JBoss Application Server
> Type: Sub-task
> Components: EJBs
> Versions: JBossAS-4.0.1 Final
> Environment: Windows XP SP2
> J2SDK 1.4.2_04
> Reporter: Domagoj Cosic
>
>
> I observe a bug similar to [JBAS-554] using the current JBoss Release. I use
> BMP. The bug is not always occuring. It depends on how much memory JBoss has
> to its disposal. If JBoss is forced to passivate/activate objects often, it
> increases the occurence frequency.
> I cannot deliver a test case, as I located the problem with the help of a
> debugger deep in our application code. I observe the following:
> (The EntityContext is stored into the local variable _ctx inside the method
> setEntityContext.)
> In a business method later on, _ctx.getEJBLocalObject() gives me a wrong
> instance. I tested it by watching _ctx.getEJBLocalObject().getPrimaryKey()
> and _ctx.getPrimaryKey(). Those two methods are supposed to return the same
> value at the same time. If the bug occurs, their return values differ. By the
> way, _ctx.getEJBObject() returned the correct instance in the same case.
> Here is a typical content of the _ctx variable when bug occurs:
> "_ctx"= EntityEnterpriseContext$EntityContextImpl (id=247)
> ctx= InitialContext (id=266)
> this$0 (EntityEnterpriseContext$EntityContextImpl)=
> EntityEnterpriseContext (id=269)
> beanPrincipal= null
> con= EntityContainer (id=137)
> beanClass= Class (<changed>.modell.ejb.GebietBean) (id=32)
> beanMapping= HashMap (id=321)
> classLoader= DelegatingClassLoader (id=325)
> createCount= 0
> di= DeploymentInfo (id=330)
> ejbModule= EjbModule (id=332)
> homeInterface= Class (<changed>.modell.ejb.GebietRemoteHome)
> (id=335)
> homeMapping= HashMap (id=336)
> instanceCache= EntityInstanceCache (id=337)
> instancePool= EntityInstancePool (id=348)
> interceptor= ProxyFactoryFinderInterceptor (id=135)
> invokeStats= InvocationStatistics (id=355)
> isJBossInternalLifecycleExposed= true
> jaccContextID= "<changed>.jar"
> jmxName= ObjectName (id=358)
> localClassLoader= URLClassLoader (id=361)
> localHomeInterface= Class (<changed>.modell.ejb.GebietHome)
> (id=362)
> localInterface= Class (<changed>.modell.ejb.Gebiet) (id=254)
> localProxyFactory= BaseLocalProxyFactory (id=140)
> lockManager= BeanLockManager (id=365)
> log (ServiceMBeanSupport)= Logger (id=367)
> marshalledInvocationMapping= HashMap (id=369)
> metaData= EntityMetaData (id=370)
> methodPermissionsCache= HashMap (id=374)
> persistenceManager= CachedConnectionInterceptor (id=118)
> proxyFactories= HashMap (id=376)
> proxyFactoryTL= ThreadLocal (id=377)
> readOnly= false
> registry= ListenerRegistry (id=379)
> remoteInterface= Class (<changed>.modell.ejb.GebietRemote)
> (id=381)
> removeCount= 0
> rm= null
> securityProxy= null
> sequenceNumber= SynchronizedLong (id=382)
> server= MBeanServerImpl (id=176)
> serverAction= Container$MBeanServerAction (id=391)
> serviceName= ObjectName (id=358)
> sm= null
> state= 3
> tm= TxManager (id=394)
> webClassLoader= WebClassLoader (id=403)
> ctx= EntityEnterpriseContext$EntityContextImpl (id=247)
> ejbLocalObject= $Proxy166 (id=253)
> h= EntityProxy (id=408)
> cacheKey= "0J3FC5KBK"
> factory= BaseLocalProxyFactory (id=140)
> jndiName= "jboss/wahl/Gebiet"
> removed= false
> ejbObject= null
> hasTxSynchronization= false
> id= "0J3DP8O0F"
> inMethodStack= Stack (id=305)
> instance= GebietBean (id=103)
> key= "0J3DP8O0F"
> locked= 1
> methodLock= NonReentrantLock (id=313)
> persistenceCtx= null
> principal= null
> readOnly= true
> synch= null
> transaction= null
> txAssociation= GlobalTxEntityMap$1 (id=316)
> txLock= Object (id=319)
> valid= true
> this$0 (EnterpriseContext$EJBContextImpl)= EntityEnterpriseContext
> (id=269)
> userTransaction= null
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