[jira] Closed: (FELIX-381) Started bundles may change state to RESOLVED

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

     [ https://issues.apache.org/jira/browse/FELIX-381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Felix Meschberger closed FELIX-381.
-----------------------------------


Thanks for fixing. This seems to do the trick.

Thanks for fixing. Hence, this can be closed.

> Started bundles may change state to RESOLVED
> --------------------------------------------
>
>                 Key: FELIX-381
>                 URL: https://issues.apache.org/jira/browse/FELIX-381
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: 1.0.0
>            Reporter: Felix Meschberger
>            Assignee: Richard S. Hall
>         Attachments: FELIX-381.patch
>
>
> In certain situations a bundle, which has already been started gets its state changed back to RESOLVED.
> Consider the following situation: A thread T1 is starting a Bundle A while another thread T2 is starting a Bundle B depending on Bundle A. T2 resolves Bundle B and as T1 has not done it yet assumes to have to resolve Bundle A. Before T2 can resolve Bundle A, T1 resolves Bundle A itself and actually starts Bundle A at the end setting the state to ACTIVE. Then T2 finishes resolving and calls the ResolveListener to inform that Bundle A has been resolved, which causes the state of Bundle A to be set to RESOLVED.
> The consequence is that Bundle A has been started  - BundleActivator called, STARTED event fired - and then its state is just set to RESOLVED and a RESOLVED event is fired. This is incorrect as (1) Bundle A has already started and before entering the RESOLVED state (again) it would have to be stopped and (2) getting A back into resolved state would cause STOPPING and STOPPED events to be fired and not a RESOLVED event.
> The fix would probably be to ignore the moduleResolved event for bundles, which are not in the INSTALLED state.
> Testing this issue is difficult as it heavily depends on timing and environmental issues, yet we have a setup, which produces the situation relatively often times.

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