Per Kristian Söreide created KARAF-4192:
-------------------------------------------
Summary: java.lang.ClassCastException in
org.apache.karaf.features.internal.region.CandidateComparator
Key: KARAF-4192
URL: https://issues.apache.org/jira/browse/KARAF-4192
Project: Karaf
Issue Type: Bug
Components: karaf-feature
Affects Versions: 4.0.3
Reporter: Per Kristian Söreide
The system bundle will return a String[] {"org.apache.felix.framework",
"system.bundle"} on line 57 in CandidateComparator:
{noformat}
c = ((Comparable<Object>)
cap1.getAttributes().get(BundleNamespace.BUNDLE_NAMESPACE))
.compareTo(cap2.getAttributes().get(BundleNamespace.BUNDLE_NAMESPACE));{noformat}
This is causing a ClassCastException being thrown.
Equinox will return an ArrayList<String> (seen in the stacktrace)
Stacktrace:
{noformat}
java.lang.ClassCastException: java.util.ArrayList cannot be cast to
java.lang.Comparable
at
org.apache.karaf.features.internal.region.CandidateComparator.compare(CandidateComparator.java:57)
at
org.apache.karaf.features.internal.region.CandidateComparator.compare(CandidateComparator.java:31)
at java.util.TimSort.binarySort(TimSort.java:265)
at java.util.TimSort.sort(TimSort.java:208)
at java.util.TimSort.sort(TimSort.java:173)
at java.util.Arrays.sort(Arrays.java:659)
at java.util.Collections.sort(Collections.java:217)
at
org.apache.karaf.features.internal.region.SubsystemResolveContext.findProviders(SubsystemResolveContext.java:260)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:272)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at
org.apache.felix.resolver.Candidates.processCandidates(Candidates.java:637)
at
org.apache.felix.resolver.Candidates.populateResource(Candidates.java:273)
at org.apache.felix.resolver.Candidates.populate(Candidates.java:161)
at org.apache.felix.resolver.ResolverImpl.resolve(ResolverImpl.java:146)
at
org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:220)
at
org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:263)
at
org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1079)
at
org.apache.karaf.features.internal.service.FeaturesServiceImpl$1.call(FeaturesServiceImpl.java:975)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
{noformat}
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