[jira] Resolved: (FELIX-279) Concurrency Issues when enabling components

["Felix Meschberger (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FELIX-279?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Meschberger resolved FELIX-279.
-------------------------------------

    Resolution: Fixed

Fixed the concurrency issues by having a single actor thread, which is fed with tasks (Runnable). Whenever a component needs to change state
(enable, activate, deactivate, disable), the respective action is packed in a Runnable and scheduled for asynchronous operation.

The only exceptions to this rule is the creation of the ComponentManager instance and the disposal of a ComponentManager. The latter is synchronous to be sure to have the ComponentManager destroyed before the framework itself takes actions such as unregistering services and taking class loaders out of service.

Fixed in Rev 538123.

> Concurrency Issues when enabling components
> -------------------------------------------
>
>                 Key: FELIX-279
>                 URL: https://issues.apache.org/jira/browse/FELIX-279
>             Project: Felix
>          Issue Type: Bug
>          Components: Declarative Services
>            Reporter: Felix Meschberger
>         Assigned To: Felix Meschberger
>             Fix For: 1.0.0
>
>
> When bundles are started and their components registered, enabled and activated and configuration is provided to them, timing issues may occurr, such that in the end some components may not be started at all.

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