[weld-issues] [JBoss JIRA] (WELD-1067) Thread safety issue in BeansClosure

[Ales Justin (JIRA)]

     [ https://issues.jboss.org/browse/WELD-1067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ales Justin reassigned WELD-1067:
---------------------------------

    Assignee: Ales Justin

    
> Thread safety issue in BeansClosure
> -----------------------------------
>
>                 Key: WELD-1067
>                 URL: https://issues.jboss.org/browse/WELD-1067
>             Project: Weld
>          Issue Type: Bug
>    Affects Versions: 1.1.4.Final
>         Environment: AS 7.1.0.CR1b
>            Reporter: Magesh Bojan
>            Assignee: Ales Justin
>
> The getClosure() method does not synchronize on get. This leads to multiple Weld deployments on AS7 calling the get method, all at once and leads to the following error:
> java.lang.NullPointerException
>         at org.jboss.weld.manager.BeanManagerImpl.getMostSpecializedBean(BeanManagerImpl.java:931)
>         at org.jboss.weld.manager.BeanManagerImpl.getReference(BeanManagerImpl.java:605)
>         at org.jboss.weld.event.ObserverMethodImpl.sendEvent(ObserverMethodImpl.java:228)
>         at org.jboss.weld.event.ObserverMethodImpl.notify(ObserverMethodImpl.java:207)
>         at org.jboss.weld.bootstrap.events.AbstractContainerEvent.fire(AbstractContainerEvent.java:75)
>         at org.jboss.weld.bootstrap.events.AbstractDefinitionContainerEvent.fire(AbstractDefinitionContainerEvent.java:46)
>         at org.jboss.weld.bootstrap.events.BeforeBeanDiscoveryImpl.fire(BeforeBeanDiscoveryImpl.java:46)
>         at org.jboss.weld.bootstrap.WeldBootstrap.startInitialization(WeldBootstrap.java:322)
>         at org.jboss.as.weld.WeldContainer.start(WeldContainer.java:80)
>         at org.jboss.as.weld.services.WeldService.start(WeldService.java:89)
>         at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1824)
>         at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1759)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>         at java.lang.Thread.run(Unknown Source)

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