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https://issues.apache.org/jira/browse/FELIX-862?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12658816#action_12658816
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Felix Meschberger commented on FELIX-862:
-----------------------------------------

Yes, this may be related, since the component is probably not properly stopped 
due to the uncaught NullPointerException.

Could you try with the patch I posted to FELIX-861, whether it works ? Thanks.

> Services not unregistered on component deactivation
> ---------------------------------------------------
>
>                 Key: FELIX-862
>                 URL: https://issues.apache.org/jira/browse/FELIX-862
>             Project: Felix
>          Issue Type: Bug
>          Components: Declarative Services (SCR)
>         Environment: Felix 1.4.0, SCR 1.0.6
>            Reporter: Alin Dreghiciu
>
> Situation (is about Pax Shell using SCR):
> Bundle 1:
> <component name='org.ops4j.pax.shell.threadio.internal.ThreadIOImpl'>
>   <implementation class='org.ops4j.pax.shell.threadio.internal.ThreadIOImpl'/>
>   <service>
>     <provide interface='org.osgi.service.threadio.ThreadIO'/>
>   </service>
> </component>
> Bundle 2:
> <component name='org.ops4j.pax.shell.runtime.internal.CommandProcessorImpl'>
>   <implementation 
> class='org.ops4j.pax.shell.runtime.internal.CommandProcessorImpl'/>
>   <service>
>     <provide interface='org.osgi.service.command.CommandProcessor'/>
>   </service>
>   <reference name='threadIO' interface='org.osgi.service.threadio.ThreadIO' 
> bind='setThreadIO' unbind='unsetThreadIO'/>
> If both bundles are started bundle 2 exports a CommandProcessor service. This 
> is correct.
> If I stop bundle 1, I expect that bundle 2 would unregister the 
> CommandProcessor service. But this is not the case, as service is still 
> exported
> If after the bundle 1 was stopped I stop the bundle 2 and start bundle 2 
> again, the service CommandProcessor is indeed not exported (as bundle 1 is 
> not started so there is no ThreadIO service).

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