[jira] [Assigned] (CAMEL-19794) OsgiEventAdminNotifier not getting registered

["Claus Ibsen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-19794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen reassigned CAMEL-19794:
-----------------------------------

    Assignee:     (was: Grzegorz Grzybek)

> OsgiEventAdminNotifier not getting registered
> ---------------------------------------------
>
>                 Key: CAMEL-19794
>                 URL: https://issues.apache.org/jira/browse/CAMEL-19794
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-blueprint
>    Affects Versions: 3.14.9, 3.21.0
>            Reporter: Stephan Siano
>            Priority: Minor
>
> After an update from Camel 2.x to Camel 3.14.7 we noticed that the OsgiEventAdminNotifier is not getting registered in Camel 3 blueprint contexts (the same issue exists in all newer Camel 3 versions).
> The reason for this is in the following code in org.apache.camel.blueprint.CamelContextFactoryBean:
> {code}
>         try {
>             getClass().getClassLoader().loadClass("org.osgi.service.event.EventAdmin");
>             getContext().getManagementStrategy().addEventNotifier(new OsgiEventAdminNotifier(bundleContext));
>         } catch (Throwable t) {
>             // Ignore, if the EventAdmin package is not available, just don't
>             // use it
>             LOG.debug("EventAdmin package is not available, just don't use it");
>         }
> {code}
> The problem is that the camel-osgi-core bundle (where the class OsgiEventAdminNotifier is located) has an optional import for org.osgi.service.event, but the camel-blueprint bundle where the CamelContextFactoryBean is located does not have this import.
> I see two solutions for the issue:
> either add the line 
> org.osgi.service.event;resolution:=optional,
> to camel.osgi.import in the camel-blueprint pom
> or change the above code to use the classloader of the camel-osgi-core bundle to load the EventAdmin class in the code above:
> {code}
> OsgiEventAdminNotifier.class.getClassLoader().loadClass("org.osgi.service.event.EventAdmin");
> {code}



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