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From Benson Margulies <ben...@basistech.com>
Subject What does effective:=active mean?
Date Wed, 31 Aug 2016 12:31:45 GMT
I just tried the experiment of moving our platform from 4.0.4 to
4.0.6, changing nothing but the karaf version. I received in return a
resolution error that I've never seen the like of before, complaining
that a particular service is missing with 'effective:=active'.

Since Karaf does not come to command level when this sort of thing
goes wrong, it is not obvious to me how to gain any insight into what
is wrong. The service reference itself is very strange;
'RosetteBundleWarmup' a DS reference like:

@Reference(target = "(component-name=name-matching)")
public void setWarmup(RosetteBundleWarmup warmup) {
    this.componentWarmup = warmup;
}

and I don't see the component-name filter in the error message. It's
also new to me that DS @Reference is even visible to resolution at the
time that boot features are being resolved.


2016-08-31 08:25:36,304 | ERROR | pool-6-thread-1  |
BootFeaturesInstaller            | 6 - org.apache.karaf.features.core
- 4.0.6 | Error installing boot features
org.osgi.service.resolver.ResolutionException: Unable to resolve root:
missing requirement [root] osgi.identity;
osgi.identity=rosapi-all-sdks; type=karaf.feature;
version="[1.2.6.SNAPSHOT,1.2.6.SNAPSHOT]";
filter:="(&(osgi.identity=rosapi-all-sdks)(type=karaf.feature)(version>=1.2.6.SNAPSHOT)(version<=1.2.6.SNAPSHOT))"
[caused by: Unable to resolve rosapi-all-sdks/1.2.6.SNAPSHOT: missing
requirement [rosapi-all-sdks/1.2.6.SNAPSHOT] osgi.identity;
osgi.identity=rosapi-worker-rni-rnt-sdk; type=karaf.feature [caused
by: Unable to resolve rosapi-worker-rni-rnt-sdk/1.2.6.SNAPSHOT:
missing requirement [rosapi-worker-rni-rnt-sdk/1.2.6.SNAPSHOT]
osgi.identity; osgi.identity=com.basistech.ws.rosapi-worker-rni-rnt-sdk;
type=osgi.bundle;
version="[1.2.6.v20160831122227,1.2.6.v20160831122227]";
resolution:=mandatory [caused by: Unable to resolve
com.basistech.ws.rosapi-worker-rni-rnt-sdk/1.2.6.v20160831122227:
missing requirement
[com.basistech.ws.rosapi-worker-rni-rnt-sdk/1.2.6.v20160831122227]
osgi.service; filter:="(objectClass=com.basistech.rosette.osgi.RosetteBundleWarmup)";
effective:=active]]]

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