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Date: Wed, 19 Sep 2012 22:37:08 +1100 (NCT)
From: "Claus Ibsen (JIRA)" <jira@apache.org>
To: dev@activemq.apache.org
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Subject: [jira] [Commented] (AMQ-3640) activemq-broker.xml stays in
 Blueprint "GracePeriod" state forever
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    [ https://issues.apache.org/jira/browse/AMQ-3640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13458586#comment-13458586 ] 

Claus Ibsen commented on AMQ-3640:
----------------------------------

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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