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Date: Tue, 2 Jun 2009 14:01:08 -0700 (PDT)
From: "Agemo Cui (JIRA)" <jira@apache.org>
To: dev@felix.apache.org
Subject: [jira] Commented: (FELIX-1185) If a static/mandatory reference to a
 service is unregistered, the component should be deactivated synchronously
 instead of asynchronously
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    [ https://issues.apache.org/jira/browse/FELIX-1185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12715683#action_12715683 ] 

Agemo Cui commented on FELIX-1185:
----------------------------------

Hi Felix,

Could you be kind to review the method AbstractComponentManager.getStatisfiedState(also ServiceFactoryComponentManager.getService and ungetService)?
Because my changes give them a different path from the original implementation.
So I'm afraid that could be a problem. Need your help.

Thanks,
Agemo

> If a static/mandatory reference to a service is unregistered, the component should be deactivated synchronously instead of asynchronously
> -----------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FELIX-1185
>                 URL: https://issues.apache.org/jira/browse/FELIX-1185
>             Project: Felix
>          Issue Type: Bug
>          Components: Declarative Services (SCR)
>    Affects Versions: scr-1.0.8
>            Reporter: Agemo Cui
>            Assignee: Felix Meschberger
>             Fix For: scr-1.0.10
>
>         Attachments: AbstractComponentManager.java, AbstractComponentManager.java, ComponentFactoryImpl.java, scr-changes on revision 778604.zip
>
>
> In the specification cmpn 112.3.3 Reference Policy, it says "Component configurations are deactivated before any bound service for a reference having a static policy becomes unavailable."
> My understanding is the deactivate method of the component must be called before any unbind method for a static/mandatory reference is called. And it's reasonable for a static/mandatory reference to be still available in the deactivate method.
> If the component is deactivated asynchronously when a static/mandatory reference to a service is unregistered, then it's possible that the unbind method is called before the deactivate method is called, which makes the service unavailable in the deactivate method.
> This bug may relate to FELIX-1178.
> The fix for this bug should also fix FELIX-1178. No need to add a new flag.

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