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Claus Ibsen commented on AMQ-3640:
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Have you tried raising the start-level of activemq-broker.xml to be after the core+blueprint.
Also this is not a AMQ problem per see, but an SMX / OSGi issue as they repackage AMQ in their
product.
> activemq-broker.xml stays in Blueprint "GracePeriod" state forever
> ------------------------------------------------------------------
>
> Key: AMQ-3640
> URL: https://issues.apache.org/jira/browse/AMQ-3640
> Project: ActiveMQ
> Issue Type: Bug
> Components: activemq-camel
> Affects Versions: 5.4.2
> Environment: ServiceMix 4.3
> Reporter: metatech
>
> In a small proportion of the time (about 20%) of first starting ServiceMix, the bundle
"activemq-broker.xml" stays in the "GracePeriod" forever (ie no timeout after 5 minutes).
It is waiting for a namespace handler for the namespace "http://activemq.apache.org/schema/core",
which should be exported by the bundle "activemq-blueprint", which is declared as a OSGi fragment
of the "activemq-core" bundle. When the problem occurs, the fragment is not properly attached
to the host bundle. See the extract of the Karaf console :
> {code}
> [ 46] [Active ] [ ] [ ] [ 60] activemq-core (5.4.2)
> [ 56] [Installed ] [ ] [ ] [ 60] activemq-blueprint (5.4.2)
> [ 59] [Active ] [GracePeriod ] [ ] [ 60] activemq-broker.xml (0.0.0)
> {code}
> There are no "Hosts:" and "Fragments:" lines.
> The activemq-blueprint stays in "Installed" state instead of "Resolved", and cannot be
started manually because it is a fragment bundle.
> Proposed short-term workaround (untested) : merge both bundles "activemq-core" and "activemq-blueprint".
> Long-term solution : I guess the problem is due to a race condition between the starting
of the bundles and the discovery of the "host-fragment" relationship : maybe a 2-phase mechanism
is needed.
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