Hi Team, 

Challenge Statement: 
1 - I have a composite subsystem which has a bundle with a provide 
capability, the provide capability is mentioned in both the bundle manifest 
which is inside the bundle manifest and the subsystem manifest as well. 

2. I have a stand alone bundle which requires this capability and mentions 
this in standalone bundle manifest. 

In case of system migrations, if the Bundle gets deployed before the ESA 
subsystem, the bundle does not start as expected and has to be manually 
started once the provide capability is deployed. 

However, if I mark the subsystem as feature, then, as soon as the subsystem 
is deployed, the standalone bundle also goes to active state, the removing 
need for manual intervention. 

In case if the system is marked as composite instead of a feature subsystem, 
the bundle has to be manually started (or via a script which listens to 
bundle/subsystem deploy events and then triggers the dependent bundle) . Is 
this by design or can we have this feature added to composite subsystems 
deployment as well, where dependencies within Subsystems are also resolved 
and trigggered automatically or via config. 

Bundle Manifest: 

Manifest-Version: 1.0 
Bnd-LastModified: 1547100076404 
Bundle-Activator: msgdispconsumer.ConsumeActivator 
Bundle-ManifestVersion: 2 
Bundle-Name: msgdispconsumer 
Bundle-SymbolicName: msgdispconsumer 
Bundle-Version: 1.0.0.201901100601 
Created-By: 1.8.0_191 (Oracle Corporation) 
*Require-Capability: org.messagedisplaysvc, 
osgi.ee;filter:="(&(osgi.ee=JavaSE) 
 (version=1.8))"* 
Import-Package: org.osgi.framework;version="[1.5,2)" 
Private-Package: msgdispconsumer 
Tool: Bnd-4.1.0.201810181252 


Subsystem Manifest: 

Manifest-Version: 1.0 
Subsystem-SymbolicName: messagedisplaysvc 
Subsystem-Version: 1.0.0 
provision-policy: acceptDependencies 
Subsystem-Type: osgi.subsystem.composite 
Bundle-Name: Message Display Service 
*Provide-Capability: org.messagedisplaysvc* 
Import-Package: org.osgi.framework 

Bundle contained within Subsystem Manifest which is providing the capability 

Manifest-Version: 1.0 
Bnd-LastModified: 1546341320121 
Bundle-Activator: messagedisplaysvc.MsgActivator 
Bundle-ManifestVersion: 2 
Bundle-Name: messagedisplaysvc 
Bundle-SymbolicName: messagedisplaysvc 
Bundle-Version: 0.0.0.201901011115 
Created-By: 1.8.0_191 (Oracle Corporation) 
Import-Package: org.osgi.framework;version="[1.5,2)" 
Private-Package: messagedisplaysvc 
*Provide-Capability: org.messagedisplaysvc* 
Tool: Bnd-4.1.0.201810181252 

How do I get these dependencies to auto-wire and go active on deployment 
irrespective of the deployment order. 

Example: System Maintenance activities where all Subsystem and Bundle are 
copied to backup and then redeployed on same or another node, in case the 
bundle gets deployed before the provide capability subsystem, the bunde will 
not hot/auto deploy to active state. 

Thanks! 




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