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https://issues.apache.org/jira/browse/AMQ-5821?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christian Schneider resolved AMQ-5821.
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Resolution: Fixed
> Activator can trigger unwanted behaviour when loading classes from other
> bundles
> --------------------------------------------------------------------------------
>
> Key: AMQ-5821
> URL: https://issues.apache.org/jira/browse/AMQ-5821
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker
> Affects Versions: 5.11.1
> Reporter: Christian Schneider
> Assignee: Jean-Baptiste Onofré
> Fix For: 5.11.2, 5.12.0
>
>
> Currently org.apache.activemq.util.osgi.Activator watches all other bundles
> and tries to load some classes using their classloader to check if they might
> implement extensions.
> This can go wrong if the bundle uses dynamic imports like e.g. jline does. In
> this case the jline bundle is triggered to load classes from ActiveMQ. This
> establishes a wiring from jline to ActiveMQ. If the ActiveMQ bundle are now
> refreshed or uninstalled jline also has to be refreshed which triggers
> refreshs of a lot more bundles.
> I propose to replace the class probing with checking of the bundle
> requirements. We simply check if the bundle has an import for the packages of
> the interface classes of ActiveMQ. So we avoid triggering classloading and
> the creation of unwanted wirings.
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