}

        // We are forcing the use of the plugin realm for all lookups that might occur during
        // the lifecycle that is part of the lookup. Here we are specifically trying to keep
        // lookups that occur in contextualize calls in line with the right realm.
        ClassRealm oldLookupRealm = container.setLookupRealm(pluginRealm);

     * the set of projects we want to build then add an edge, otherwise throw
     * the edge away because that dependency is not within the set of projects
     * we are trying to build. we assume a closed set.</li>
     * <li>do a topo sort on the graph that remains.</li>
     * </ul>
     * @throws DuplicateProjectException if any projects are duplicated by id
     */

 * under the License.
 */
package org.apache.maven.plugin;

import org.apache.maven.model.Plugin;
import org.codehaus.plexus.component.composition.CycleDetectedInComponentGraphException;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class CycleDetectedInPluginGraphException extends Exception {
    private final Plugin plugin;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.plugin;

import org.apache.maven.model.Plugin;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class PluginResolutionException extends Exception {

    private final Plugin plugin;

    public PluginResolutionException(Plugin plugin, Throwable cause) {
        super(

        } else if (artifact.isSnapshot() || !artifact.getFile().exists()) {
            if (force || updateCheckManager.isUpdateRequired(artifact, repository)) {
                logger.debug("Trying repository " + repository.getId() + " for resolution of " + artifact.getId()
                        + " from " + remotePath);

                try {
                    getRemoteFile(

import org.apache.maven.artifact.resolver.AbstractArtifactResolutionException;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.model.Plugin;

/**
 * Exception occurring trying to resolve a plugin.
 *
 */
public class PluginNotFoundException extends AbstractArtifactResolutionException {
    private Plugin plugin;

    public PluginNotFoundException(Plugin plugin, ArtifactNotFoundException e) {