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

/**
 * An exception occurring during the execution of a plugin (such as a compilation failure).<br>
 * Throwing this exception causes a "BUILD FAILURE" message to be displayed.
 *
 */
public class MojoFailureException extends AbstractMojoExecutionException {
    /**

     * the <code>Mojo</code> to communicate errors.
     *
     * @throws MojoExecutionException if an unexpected problem occurs.
     * Throwing this exception causes a "BUILD ERROR" message to be displayed.
     * @throws MojoFailureException if an expected problem (such as a compilation failure) occurs.
     * Throwing this exception causes a "BUILD FAILURE" message to be displayed.
     */

 * second invocation, so implementors have made various choices, including:
 *
 * <ul>
 *   <li>returning the same iterator again
 *   <li>throwing an exception of some kind
 *   <li>or the usual, <i>robust</i> behavior, which all known {@link Collection} implementations
 *       have, of returning a new, independent iterator
 * </ul>
 *

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

/**
 * An exception occurring during the execution of a plugin.<br>
 * Throwing this exception causes a "BUILD ERROR" message to be displayed.
 *
 */
public class MojoExecutionException extends AbstractMojoExecutionException {
    /**

  private final List<E> expectedElements;
  private final int startIndex;
  private final KnownOrder knownOrder;

  /**
   * Meta-exception thrown by {@link AbstractIteratorTester.MultiExceptionListIterator} instead of
   * throwing any particular exception type.
   */
  private abstract static class PermittedMetaException extends RuntimeException {
    static final PermittedMetaException UOE_OR_ISE =

    multimap.put("foo", 3);
    assertTrue(multimap.replaceValues("foo", asList(2, 4)) instanceof RandomAccess);
    assertTrue(multimap.replaceValues("bar", asList(2, 4)) instanceof RandomAccess);
  }

  /** Test throwing ConcurrentModificationException when a sublist's ancestor's delegate changes. */
  public void testSublistConcurrentModificationException() {
    ListMultimap<String, Integer> multimap = create();

    multimap.put("foo", 3);
    assertTrue(multimap.replaceValues("foo", asList(2, 4)) instanceof RandomAccess);
    assertTrue(multimap.replaceValues("bar", asList(2, 4)) instanceof RandomAccess);
  }

  /** Test throwing ConcurrentModificationException when a sublist's ancestor's delegate changes. */
  public void testSublistConcurrentModificationException() {
    ListMultimap<String, Integer> multimap = create();

  private final List<E> expectedElements;
  private final int startIndex;
  private final KnownOrder knownOrder;

  /**
   * Meta-exception thrown by {@link AbstractIteratorTester.MultiExceptionListIterator} instead of
   * throwing any particular exception type.
   */
  private abstract static class PermittedMetaException extends RuntimeException {
    static final PermittedMetaException UOE_OR_ISE =

    return MoreObjects.firstNonNull(asMap().remove(key), unmodifiableEmptyCollection());
  }

  Collection<V> unmodifiableEmptyCollection() {
    // These return false, rather than throwing a UOE, on remove calls.
    return (unfiltered instanceof SetMultimap)
        ? Collections.<V>emptySet()
        : Collections.<V>emptyList();
  }

  @Override
  public void clear() {

   * computation is complete.
   *
   * <p>Exceptions thrown by a {@code callback} will be propagated up to the executor. Any exception
   * thrown during {@code Executor.execute} (e.g., a {@code RejectedExecutionException} or an
   * exception thrown by {@linkplain MoreExecutors#directExecutor direct execution}) will be caught
   * and logged.
   *
   * <p>Example: