if (plugin.getVersion() == null) {
                PluginVersionRequest request = new DefaultPluginVersionRequest(
                        plugin, session.getRepositorySession(), project.getRemotePluginRepositories());
                plugin.setVersion(pluginVersionResolver.resolve(request).getVersion());
            }
            versions.put(plugin.getKey(), plugin.getVersion());
        }

                    resolve(result, infos, RELEASE);
                }

                if (result.getVersion() != null && result.getVersion().endsWith(SNAPSHOT)) {
                    VersionRequest subRequest = new VersionRequest();
                    subRequest.setArtifact(artifact.setVersion(result.getVersion()));
                    if (result.getRepository() instanceof RemoteRepository) {

            ArtifactCoordinate coord = session.createArtifactCoordinate(
                    parent.getGroupId(), parent.getArtifactId(), parent.getVersion(), "pom");
            if (coord.getVersion().getVersionRange() != null
                    && coord.getVersion().getVersionRange().getUpperBoundary() == null) {
                // Message below is checked for in the MNG-2199 core IT.
                throw new ModelResolverException(

        pluginArtifactId = plugin.getArtifactId();
        pluginVersion = plugin.getVersion();
    }

    public PluginManagerException(Plugin plugin, String message, Throwable cause) {
        super(message, cause);

        pluginGroupId = plugin.getGroupId();
        pluginArtifactId = plugin.getArtifactId();
        pluginVersion = plugin.getVersion();
    }

                res.getIncidentEdges(v2).get(0).getVersion(),
                "wrong edge v1-v2 in the resulting graph after resolver");

        assertEquals(
                1, res.getIncidentEdges(v3).size(), "wrong # of edges v1-v3 in the resulting graph after resolver");
        assertEquals(
                "1.1",
                res.getIncidentEdges(v3).get(0).getVersion(),

            return null;
        }

        String version = getVersion(candidateModel);
        if (version != null && parent.getVersion() != null && !version.equals(parent.getVersion())) {
            try {
                VersionRange parentRange = versionParser.parseVersionRange(parent.getVersion());
                if (!parentRange.contains(versionParser.parseVersion(version))) {

                && Objects.equals(this.getArtifactId(), that.getArtifactId())
                && Objects.equals(this.getVersion(), that.getVersion())
                && Objects.equals(this.getClassifier(), that.getClassifier());
    }

    @Override
    public int hashCode() {
        return Objects.hash(getGroupId(), getArtifactId(), getVersion(), getClassifier());
    }

    @Override
    public String toString() {

                && Objects.equals(this.getArtifactId(), that.getArtifactId())
                && Objects.equals(this.getVersion(), that.getVersion())
                && Objects.equals(this.getClassifier(), that.getClassifier());
    }

    @Override
    public int hashCode() {
        return Objects.hash(getGroupId(), getArtifactId(), getVersion(), getClassifier());
    }

    @Override
    public String toString() {

            if (dep.getVersion() == null) {
                Model depModel = context.getRawModel(model.getPomFile(), dep.getGroupId(), dep.getArtifactId());
                if (depModel != null) {
                    String v = depModel.getVersion();
                    if (v == null && depModel.getParent() != null) {
                        v = depModel.getParent().getVersion();
                    }

    }

    @Nonnull
    @Override
    public String getArtifactId() {
        return project.getArtifactId();
    }

    @Nonnull
    @Override
    public String getVersion() {
        return project.getVersion();
    }

    @Nonnull
    @Override
    public List<Artifact> getArtifacts() {
        org.eclipse.aether.artifact.Artifact pomArtifact = RepositoryUtils.toArtifact(new ProjectArtifact(project));