Dereferencing failure during Blueprint Service shutdown 
--------------------------------------------------------

                 Key: SMX4NMR-153
                 URL: https://issues.apache.org/activemq/browse/SMX4NMR-153
             Project: ServiceMix NMR
          Issue Type: Test
    Affects Versions: 1.1.0
            Reporter: Eoghan Glynn
            Assignee: Eoghan Glynn
             Fix For: 1.1.0


Deferencing of the injected ManagementStrategy proxy fails with[1] if the 
Blueprint Service is itself being shutdown.

This looks like a race between the AdminCommandsImpl destroy-method being 
called and Blueprint itself being shutdown.

If the entire framework is being shutdown, its not crucial that 
ManagementStrategy.unmanageObject() be successful, so the 
ServiceUnavailableException can probably just be ignored. 

[1]
org.osgi.service.blueprint.container.ServiceUnavailableException: The Blueprint 
container is being or has been destroyed
        at 
org.apache.geronimo.blueprint.container.ReferenceRecipe.getService(ReferenceRecipe.java:175)
        at 
org.apache.geronimo.blueprint.container.ReferenceRecipe.access$000(ReferenceRecipe.java:49)
        at 
org.apache.geronimo.blueprint.container.ReferenceRecipe$ServiceDispatcher.call(ReferenceRecipe.java:200)
        at 
org.apache.geronimo.blueprint.container.AbstractServiceReferenceRecipe$CgLibProxyFactory$1.loadObject(AbstractServiceReferenceRecipe.java:578)
        at 
org.fusesource.commons.management.ManagementStrategy$$EnhancerByCGLIB$$5523ee5f.unmanageObject(<generated>)
        at 
org.apache.servicemix.jbi.deployer.impl.AdminCommandsImpl.destroy(AdminCommandsImpl.java:452)

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