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https://issues.apache.org/jira/browse/FELIX-4394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on FELIX-4394 started by Pierre De Rop.
> Race problems in DependencyManager Configuration Dependency
> -----------------------------------------------------------
>
> Key: FELIX-4394
> URL: https://issues.apache.org/jira/browse/FELIX-4394
> Project: Felix
> Issue Type: Bug
> Components: Dependency Manager
> Affects Versions: dependencymanager-3.1.0
> Reporter: Pierre De Rop
> Assignee: Pierre De Rop
> Attachments: FELIX-4394.patch
>
>
> There are some synchronization issues in the ConfigurationDependencyImpl:
> 1) in the stop(DependencyService service) method, if the current size of the
> "m_services" list is greater than 1, then the 'service' method parameter to
> be removed is not removed from the internal "m_services" list.
> Also, if the list size is 1, then the service is removed from the list, but
> outside the synchronized block.
> 2) in the updated(Dictionary settings) method: the service list (m_services)
> is iterated outside a synchronized block.
> 3) the ensureActive method should be synchronized since it checks the
> m_services list size.
> 4) I'm sometimes seeing the following WARN message logged from the
> ConfigurationDependencyImpl.updated class:
> m_logger.log(Logger.LOG_ERROR, "Service " + ds + " with
> configuration dependency " + this + " could not be instantiated.");
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