Sameer Gupta created ARIES-1894:
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Summary: Provide Require capability not working for Composite
Subsystem
Key: ARIES-1894
URL: https://issues.apache.org/jira/browse/ARIES-1894
Project: Aries
Issue Type: Bug
Components: Subsystem
Reporter: Sameer Gupta
Attachments: messagedisplay.esa, msgdispconsumer.jar
1 - I have a composite subsystem "messagedisplay.esa" 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 "msgdispconsumer" which requires this capability
and mentions this in standalone bundle manifest.mf file
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, thus removing
need for manual intervention.
Provide Require capability does not seem to have the same effect for Composite
Subsystem as it has for feature subsystem.
Test Case 1: Deploy the Composite Subsystem i.e the attached messagedisplay.esa
file and then start it and then deploy the msgdispconsumer bundle, the bundle
auto-wires and starts.
Test Case 2: Deploy the msgdispconsumer bundle, try and start it, it fails
stating a required capability is missing, deploy the subsystem i.e. the
messagedisplay.esa file now, the Subsystem installs but does not auto wire the
bundle msgdispconsumer is still in installed state, start the msgdispconsumer
bundle, it starts and does not throw the capability missing error.
Test Case 3: Open the .ESA file in winrar like tool, change the subsytem type
from Subsystem-Type: "osgi.subsystem.composite" to "osgi.subsystem.feature".
Exit the karaf console and restart to clear the cache.
Deploy the msgdispconsumer bundle, try and start it, it fails stating a
required capability is missing, deploy the subsystem i.e. the
messagedisplay.esa file now, the consumer bundle msgdispconsumer also starts
automatically even when the ESA subsytem is only in installed state.
Why does behavior in Test case 3 not work for test case 2 scenario, i.e.
autowiring happens for feature subsystem but not for composite subsystem.
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