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https://issues.apache.org/jira/browse/FELIX-2942?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Richard S. Hall updated FELIX-2942:
-----------------------------------
Fix Version/s: framework-4.0.0
> Bundles with higher start level get activated even before framework reaches
> that start level
> --------------------------------------------------------------------------------------------
>
> Key: FELIX-2942
> URL: https://issues.apache.org/jira/browse/FELIX-2942
> Project: Felix
> Issue Type: Bug
> Components: Framework
> Affects Versions: framework-3.0.8
> Reporter: Sahoo
> Priority: Critical
> Fix For: framework-4.0.0
>
>
> In my environment, this is what's going on:
> 1. framework is started with start level 1.
> 2. bundles are installed and assigned start level varying from 2 to 4.
> 3. framework's start level is set to 5.
> 4. another bundle is installed and is assigned start level 5. This bundle is
> then started.
> Immediately I see Bundle.STARTED event for the last bundle with start level 5
> is fired. While trying to understand why certain bundles are getting started
> earlier than bundles with lower start levels, I stepped into Felix and found
> the following code:
> // Check to see if the bundle's start level is greater than the
> // the framework's active start level.
> // TODO: STARTLEVEL - Technically, this is not correct since we could be in
> the
> // middle of a framework start level change and we might not have yet
> // reached the target start level, but we will activate the bundle
> anyway.
> // This means the bundle will be running in a higher start level
> temporarily
> // until the start level thread catches up.
> if (bundle.getStartLevel(getInitialBundleStartLevel()) >
> m_targetStartLevel)
> {
> // Throw an exception for transient starts.
> if ((options & Bundle.START_TRANSIENT) != 0)
> {
> throw new BundleException(
> "Cannot start bundle " + bundle + " because its start
> level is "
> + bundle.getStartLevel(getInitialBundleStartLevel())
> + ", which is greater than the framework's start
> level of "
> + m_targetStartLevel + ".");
> }
> // Ignore persistent starts.
> return;
> }
> The above code compares against "target start level" as opposed to the
> "currently active start level". The comment indicates that it is a known
> issue, so if there is already a bug filed to this extent, please close this
> one as duplicate. It pretty much makes it difficult to use start level
> service reliably.
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