+ ", pluginDescriptor=" + pluginDescriptor.getId() + "]";
                throw new PluginConfigurationException(pluginDescriptor, msg, e);
            }
            pluginRealm = pluginDescriptor.getClassRealm();
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Loading mojo " + mojoDescriptor.getId() + " from plugin realm " + pluginRealm);

                    if (!serversById.containsKey(server.getId())) {
                        serversById.put(server.getId(), server);
                    }
                }
            }

            for (ArtifactRepository repository : repositories) {
                Server server = serversById.get(repository.getId());

                if (server != null) {

                    logger.warn(
                            "Duplicated lifecycle phase {}. Defined in {} but also in {}",
                            phase,
                            original.getId(),
                            lifecycle.getId());
                }
            }
        }

        return phaseToLifecycleMap;
    }

    /**
     * Returns an ordered list of lifecycles
     */

        List<MavenProject> sorted = this.sorter.getSortedProjects();
        for (int index = 0; index < sorted.size(); index++) {
            MavenProject project = sorted.get(index);
            String id = ProjectSorter.getId(project);
            this.projects.put(id, project);
            this.order.put(project, index);
        }
    }

    /**
     * @since 3.5.0
     */
    public List<MavenProject> getAllProjects() {

            return null;
        }

        public String getProtocol() {
            return repository.getProtocol();
        }

        public String getId() {
            return repository.getId();
        }

        public void setId(String id) {}

        public ArtifactRepositoryPolicy getSnapshots() {
            return null;
        }

                && a1.isOptional() == a2.isOptional();
    }

    private static int repositoryHashCode(ArtifactRepository repository) {
        int result = 17;
        result = 31 * result + (repository.getId() != null ? repository.getId().hashCode() : 0);
        return result;
    }

    private static int repositoriesHashCode(List<ArtifactRepository> repositories) {
        int result = 17;

        StringBuilder repos = new StringBuilder("[");

        if (localRepository != null) {
            repos.append(localRepository.getId())
                    .append(" (")
                    .append(localRepository.getBasedir())
                    .append(")");
        }

        if (remoteRepositories != null && !remoteRepositories.isEmpty()) {

                        logger.warn("  " + unsafeGoal.getId());
                    }
                } else {
                    logger.warn("The following plugins are not marked as thread-safe in " + project.getName() + ":");
                    for (Plugin unsafePlugin : unsafePlugins) {
                        logger.warn("  " + unsafePlugin.getId());
                    }
                    logger.warn("");

                + version;
    }

    private static String getId(Artifact artifact) {
        return getId(
                artifact.getGroupId(),
                artifact.getArtifactId(),
                artifact.getExtension(),
                artifact.getClassifier(),
                artifact.getBaseVersion());
    }

    private static String getId(ClassRealmConstituent constituent) {
        return getId(

        assertEquals(4, executions.size());
        assertEquals("default-resources", executions.get(0).getId());
        assertEquals("default-testResources", executions.get(1).getId());
        assertEquals("test-1", executions.get(2).getId());
        assertEquals("test-2", executions.get(3).getId());
    }

    @Test
    void testPluginDeclarationsRetainPomOrderAfterInjectionOfDefaultPlugins() throws Exception {