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https://issues.apache.org/jira/browse/FELIX-4237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13776077#comment-13776077
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Thomas Diesler commented on FELIX-4237:
---------------------------------------
Intermittently reproducible by:
[ConfiguredReferenceTestCase|https://github.com/tdiesler/jbosgi/blob/master/testsuite/functional/src/test/java/org/jboss/test/osgi/ds/ConfiguredReferenceTestCase.java]
> Updating a configuration may deactivate/active component multiple times
> -----------------------------------------------------------------------
>
> Key: FELIX-4237
> URL: https://issues.apache.org/jira/browse/FELIX-4237
> Project: Felix
> Issue Type: Bug
> Components: Declarative Services (SCR)
> Affects Versions: scr-1.6.2
> Reporter: Thomas Diesler
>
> * ServiceD has a mandatory unary reference to ServiceD1
> * ServiceD1 is backed by a configuration in ConfigurationAdmin (1.6.0)
> * Activate the services with no configuration
> * Create and update the configuration for ServiceD1
> The observed behaviour is
> * ServiceD gets deactivated
> * ServiceD1 gets deactivated
> * New instance of ServiceD1 is constructed and activated with the
> configuration
> * ServiceD1 is bound to to a new instance of ServiceD and ServiceD gets
> activated
> following this ServiceD1 may get deactivated again causing the above sequence
> to get repeated.
> In a large dependency graph this would deactivate/activate all components in
> the graph. Component activation may not be cheap and should not be done
> repeatedly with the same configuration passed in.
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