In an offline environnent, ServiceMix loads with errors. It appears the release is not packaged with the appropriate dependencies.
In ServiceMix release note for ServiceMix 6.1.0, it is mentionned that Jackson was upgraded to 2.6.2. These dependencies appear to be missing from the system folder. It appears that Jackson 2.4.3 is packaged with ServiceMix 6.1.0.
SM-2727 - Upgrade to Jackson 2.6.2
May be related with: https://issues.apache.org/jira/browse/SM-2727