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https://issues.apache.org/jira/browse/SMX4-1245?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13738284#comment-13738284
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Gert Vanthienen commented on SMX4-1245:
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Is it also waiting for the namespace handler as shown earlier in this issue or
is it something else that makes it go into GracePeriod? A full log and the
output of {{osgi:list -t 0}} would be very helpful as well.
> activemq-broker.xml stays in Blueprint "GracePeriod" state forever
> ------------------------------------------------------------------
>
> Key: SMX4-1245
> URL: https://issues.apache.org/jira/browse/SMX4-1245
> Project: ServiceMix 4
> Issue Type: Bug
> Environment: ServiceMix 4.3
> Reporter: metatech
>
> In a small proportion of the time (about 20%), during the first start of
> ServiceMix after installation, 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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