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https://issues.apache.org/jira/browse/FELIX-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102887#comment-13102887
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Richard S. Hall commented on FELIX-3096:
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After more investigation, I think I've come to a way to resolve this. Due to
some unrelated event dispatching refactoring for R4.3, we might be able to
allow listeners to be added without holding the bundle lock. I still need to
investigate it a little more, but so far so good.
> Could not add FrameworkListener from ServiceListener
> ----------------------------------------------------
>
> Key: FELIX-3096
> URL: https://issues.apache.org/jira/browse/FELIX-3096
> Project: Felix
> Issue Type: Bug
> Affects Versions: framework-3.2.2
> Reporter: Vlad Arkhipov
> Priority: Critical
> Fix For: framework-4.0.0
>
>
> It's now impossible to add a FrameworkListener from ServiceListener in 3.2.x,
> worked in 3.0.9. The code below hangs in addFrameworkListener when it tries
> to acquire a global lock on the framework bundle.
> Framework framework = ...
> framework.init();
> final BundleContext ctx = framework.getBundleContext();
> ctx.addServiceListener(new ServiceListener() {
> public void serviceChanged(ServiceEvent event) {
> if (...) {
> ctx.addFrameworkListener(new FrameworkListener() {
> public void frameworkEvent(FrameworkEvent event) {
> System.out.println(event);
> }
> });
> }
> }
> });
> StartLevel sl = (StartLevel)
> ctx.getService(ctx.getServiceReference(StartLevel.class.getName()));
> // Install bundles, set start level.
> ...
> framework.start();
> framework.waitForStop();
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