[jboss-jira] [JBoss JIRA] (AS7-4675) Memory leak when reading EJB 2.1 CMP EntityBeans

[Stuart Douglas (JIRA)]

     [ https://issues.jboss.org/browse/AS7-4675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stuart Douglas resolved AS7-4675.
---------------------------------

    Resolution: Done

    
> Memory leak when reading EJB 2.1 CMP EntityBeans
> ------------------------------------------------
>
>                 Key: AS7-4675
>                 URL: https://issues.jboss.org/browse/AS7-4675
>             Project: Application Server 7
>          Issue Type: Bug
>          Components: EJB
>    Affects Versions: 7.1.1.Final
>         Environment: Windows 7 Pro SP1 (64bit);  JDK 1.6.0_31 (64bit); Oracle Database 11g Release 11.1.0.6.0 - 64bit Production; AS71.1Final / AS71.2 latest build
>            Reporter: Klaus Benary
>            Assignee: Stuart Douglas
>            Priority: Critical
>             Fix For: 7.1.2.Final (EAP)
>
>         Attachments: JCTest-maven.zip, JCTest.zip
>
>
> After reading 12000 EJB 2.1 EntityBeans in a test application there are about 5 million Interceptor[] arrays firmely bound in the heap. A heap dump shows this as a typical reference chain:
> GC Root: ServiceContainerImpl$ServiceThread
> ServiceContainerImpl$ServiceThread.container = ServiceContainerImpl
>  ServiceContainerImpl.registry = UnlockedReadHashMap
>   UnlockedReadHashMap.table = AtomicReferenceArray
>    AtomicReferenceArray.array = Object[16384]
>     Object[6209] = UnlockedReadHashMap$Item[3]
>      UnlockedReadHashMap$Item[1] = UnlockedReadHashMap$Item
>        UnlockedReadHashMap$Item.value = ServiceRegistrationImpl
>         ServiceRegistrationImpl.instance = ServiceControllerImpl
>          ServiceControllerImpl.serviceValue = ImmediateValue
>           ImmediateValue.value = TimedObjectInvokerImpl
>             TimedObjectInvokerImpl.timeoutInterceptors = HashMap
>               HashMap.table = HashMap$Entry[128]
>                HashMap$Entry[123] = HashMap$Entry
>                 HashMap$Entry.value = ChainedInterceptor
>                   ChainedInterceptor.interceptors = Arrays$ArrayList
>                    Arrays$ArrayList.a = Interceptor[6]
> The number of bound objects keeps growing when reading more EntityBeans - even wehn reading the same beans again.
> Even after undeploy of the application the 

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