event.getArtifact(),
                event.getException().getMessage());
    }

    @Override
    public void artifactDescriptorMissing(RepositoryEvent event) {
        logger.warn("The POM for {} is missing, no dependency information available", event.getArtifact());
    }

        if (request.isResolveRoot()) {
            try {
                resolve(request.getArtifact(), request);
                result.addArtifact(request.getArtifact());
            } catch (IOException e) {
                result.addMissingArtifact(request.getArtifact());
            }
        }

        if (request.isResolveTransitively()) {

                    throw new ArtifactResolutionException(e.getMessage(), artifact, remoteRepositories, e);
                }
            }

            artifact.selectVersion(result.getArtifact().getVersion());
            artifact.setFile(result.getArtifact().getFile());
            artifact.setResolved(true);

            if (artifact.isSnapshot()) {

                if (withinSameGav(relocatedArtifact, a)) {
                    result.setArtifact(relocatedArtifact);
                    return model; // they share same model
                } else {
                    result.addRelocation(a);
                    a = relocatedArtifact;
                    result.setArtifact(a);
                }
            } else {
                return model;
            }

                if (!DependencyScope.SYSTEM.is(dep.getScope())
                        && dep.getArtifact().getFile() != null) {
                    // enable re-resolution
                    org.eclipse.aether.artifact.Artifact art = dep.getArtifact();
                    art = art.setFile(null).setVersion(art.getBaseVersion());
                    dep = dep.setArtifact(art);
                }
                collect.addDependency(dep);
            }

                            ? request.getArtifact()
                                    .setVersion(lowerBound.getVersion().toString())
                            : null;
                    org.eclipse.aether.artifact.Artifact upperArtifact = upperBound != null
                            ? request.getArtifact()
                                    .setVersion(upperBound.getVersion().toString())

        RepositoryMetadata metadata = new ArtifactRepositoryMetadata(request.getArtifact());

        try {
            repositoryMetadataManager.resolve(metadata, request);
        } catch (RepositoryMetadataResolutionException e) {
            throw new ArtifactMetadataRetrievalException(e.getMessage(), e, request.getArtifact());
        }

            for (MavenProject reactorProject : session.getProjects()) {
                reactorProjects.put(
                        reactorProject.getArtifact(),
                        reactorProject.getArtifact().getFile());
            }

            Map<String, Artifact> map = new HashMap<>();
            for (Artifact artifact : resolvedArtifacts) {
                /**

        for (org.eclipse.aether.graph.Dependency dependency : artifactDescriptorResult.getDependencies()) {
            if ("org.apache.maven".equals(dependency.getArtifact().getGroupId())
                    && "maven-compat".equals(dependency.getArtifact().getArtifactId())
                    && !DependencyScope.TEST.is(dependency.getScope())) {
                pluginValidationManager.reportPluginValidationIssue(

        Artifact artifact = new AttachedArtifact(project.getArtifact(), artifactType, handler);

        artifact.setFile(artifactFile);
        artifact.setResolved(true);

        attachArtifact(project, artifact);
    }

    @Override
    public void attachArtifact(MavenProject project, File artifactFile, String artifactClassifier) {
        Artifact projectArtifact = project.getArtifact();