ClassCastException in Wrapper.unwrap() when calling Resolver.add(x implements
Resource)
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Key: FELIX-2306
URL: https://issues.apache.org/jira/browse/FELIX-2306
Project: Felix
Issue Type: Bug
Components: Bundle Repository (OBR)
Affects Versions: bundlerepository-1.6.0
Environment: Windows 7, Java 6
Reporter: Mark Nuttall
This looks like a regression from OBR 1.4.1 to 1.6. I have a resource class
that implements org.osgi.service.obr.Resource. When I call
Resolver.add(myResource) I
get a ClassCastException:
Caused by: java.lang.ClassCastException:my.resources.MyResource
incompatible with
org.apache.felix.bundlerepository.impl.wrapper.ResourceWrapper
at
org.apache.felix.bundlerepository.impl.wrapper.Wrapper.unwrap(Wrapper.java:59)
at
org.apache.felix.bundlerepository.impl.wrapper.ResolverWrapper.add(ResolverWrapper.java:40)
at my.provisioning.impl.OBRProvisioner.resolve(OBRProvisioner.java:496)
Looking at Wrapper.java:
public static Resource unwrap(org.osgi.service.obr.Resource resource) {
return ((ResourceWrapper) resource).resource;
}
I've passed in a class that implemented obr.Resource which this code is
attempting to cast to ResourceWrapper: this fails. We got there via,
// ResolverWrapper.java
public void add(org.osgi.service.obr.Resource resource) {
resolver.add(Wrapper.unwrap(resource));
}
At no time was my Resource wrapped before it was unwrapped.
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