}
                        }
                    } catch (TransferFailedException e) {
                        getLogger()
                                .warn(metadata + " could not be retrieved from repository: " + repository.getId()
                                        + " due to an error: " + e.getMessage());
                        getLogger().debug("Exception", e);
                    } finally {

        this.delegate = delegate;
    }

    @Override
    public ResolutionGroup retrieve(MetadataResolutionRequest request) throws ArtifactMetadataRetrievalException {
        return delegate.retrieve(request);
    }

    @Override
    public ResolutionGroup retrieve(
            Artifact artifact, ArtifactRepository localRepository, List<ArtifactRepository> remoteRepositories)

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.ThreadSafe;

/**
 * Marker interface for all services provided by the {@link Session}.
 * <p>
 * Services can be retrieved from the session using the
 * {@link Session#getService(Class)} method.
 *
 * @since 4.0.0
 * @see Session#getService(Class)
 */
@Experimental
@ThreadSafe

want to review the remainder of this page in order to understand how to configure logging for your application. Configuring the Commons Logging Package Choosing a LogFactory Implementation From an application perspective, the first requirement is to retrieve an object reference to the LogFactory instance that will be used to create Log instances for this application. This is normally accomplished by calling the static getFactory() method. This method implements the following discovery algorithm to select...