ServiceReference.isAssignableTo fails when using a factory that can not see the
exported class and the bundle exporting the service does not have a direct wire
to this class
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Key: FELIX-1131
URL: https://issues.apache.org/jira/browse/FELIX-1131
Project: Felix
Issue Type: Bug
Components: Framework
Affects Versions: felix-1.6.0
Reporter: Guillaume Nodet
* bundle A defines an interface R and a class S in different packages, whith S
implementing R
* bundle B defines a class T extending S, it has an import statement on S
package, but not on R package
* bundle C defines a ServiceFactory that export T service without any import
on any package from R, S, T
in this case, the line 426 of ServiceRegistrationImpl is executed:
allow =
getServiceRegistration().isClassAccessible(requestClass);
which looks like:
protected boolean isClassAccessible(Class clazz)
{
try
{
// Try to load from the service object or service factory class.
Class sourceClass = (m_factory != null)
? m_factory.getClass() : m_svcObj.getClass();
Class targetClass = Util.loadClassUsingClass(sourceClass,
clazz.getName());
return (targetClass == clazz);
}
catch (Exception ex)
{
// Ignore this and return false.
}
return false;
}
So felix checks if the classloader used to load the factory can also load the
interface, which is not the case in my example.
So isClassAccessible returns false and the event is not dispatched to the
service listener.
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