}

        // 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);

 * 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;

  It means warning users that since the network is missing, certain features and
  operations will be unavailable, rather than simply waiting for those
  operations to fail, then trying to help users decipher the error messages they
  get as a result.

* Implications for Resolution

** Dependency Resolution

  This one is obvious...we only have access to the repositories using

     * 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
     */

 * 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) {

All rights in the Program not expressly granted under this Agreement are reserved. This Agreement is governed by the laws of the State of New York and the intellectual property laws of the United States of America. No party to this Agreement will bring a legal action under this Agreement more than one year after the cause of action arose. Each party waives its rights to a jury trial in any resulting litigation....