[infinispan-issues] [JBoss JIRA] (ISPN-2876) AbstractComponentRegistry.getComponent can return an incomplete component

[Mircea Markus (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-2876?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12772575#comment-12772575 ] 

Mircea Markus commented on ISPN-2876:
-------------------------------------

[~dan.berindei] so adding synchronised around get component should solve the problem then?
                
> AbstractComponentRegistry.getComponent can return an incomplete component
> -------------------------------------------------------------------------
>
>                 Key: ISPN-2876
>                 URL: https://issues.jboss.org/browse/ISPN-2876
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Locking and Concurrency
>    Affects Versions: 5.2.2.Final
>            Reporter: Dan Berindei
>            Assignee: Mircea Markus
>             Fix For: 6.0.0.Final
>
>
> AbstractComponentRegistry.getComponent doesn't have any locking, so it's possible for a thread to retrieve a component while another thread is injecting that component's dependencies.
> Normally this isn't a problem, because the global registry is locked during cache manager startup, and the cache registry is locked during cache startup. However, some global components are only created "on-demand", because a cache component depends on them, and this can happen if someone uses getComponent instead of getOrCreateComponent.

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