// release the lock in the reverse order of the acquisition
            if (acquiredProjectLock != null) {
                acquiredProjectLock.unlock();
            }
            if (acquiredAggregatorLock != null) {
                acquiredAggregatorLock.unlock();
            }
            mojos.remove(Thread.currentThread());
        }

        private OwnerReentrantLock getProjectLock(MavenSession session) {

     *
     * @param  id identifier of the remote repository to create
     * @param  url location of the remote repository
     * @return remote repository that can be used to download or upload artifacts
     *
     * @see org.apache.maven.api.services.RepositoryFactory#createRemote(String, String)
     */
    @Nonnull
    RemoteRepository createRemoteRepository(@Nonnull String id, @Nonnull String url);

          distribution: 'temurin'
          cache: 'maven'

      - name: Build with Maven
        run: mvn verify -e -B -V -DdistributionFileName=apache-maven

      - name: Upload built Maven
        uses: actions/upload-artifact@v4
        if: ${{ matrix.os == 'ubuntu-latest' }}
        with:
          name: built-maven
          path: apache-maven/target/

  integration-test:
    needs: build
    strategy:

                    return;
                }
                List<Path> toLoad = new ArrayList<>();
                Path root = defaultModelBuilder.getModelProcessor().locateExistingPom(rootDirectory);
                toLoad.add(root);
                while (!toLoad.isEmpty()) {
                    Path pom = toLoad.remove(0);
                    try {
                        ModelBuilderRequest gaBuildingRequest =

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Immutable;
import org.apache.maven.api.annotations.Nonnull;

/**
 * A remote repository that can be used to download or upload artifacts.
 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface RemoteRepository extends Repository {

    @Nonnull
    String getUrl();

    @Nonnull
    String getProtocol();

     * @throws IOException if any
     * @throws XmlPullParserException if any
     */
    Settings buildSettings() throws IOException, XmlPullParserException;

    /**
     * @param useCachedSettings if true, doesn't reload the user settings
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any
     * @throws XmlPullParserException if any
     */

set maven.conf default ${maven.home}/conf

[plexus.core]
load       ${maven.conf}/logging
optionally ${maven.home}/lib/ext/redisson/*.jar
optionally ${maven.home}/lib/ext/hazelcast/*.jar
optionally ${user.home}/.m2/ext/*.jar
optionally ${maven.home}/lib/ext/*.jar
load       ${maven.home}/lib/maven-*.jar

        <executions>
          <execution>
            <id>load</id>
            <phase>validate</phase>
            <configuration>
              <resourcePaths>maven-core-it.properties</resourcePaths>
              <pluginClassLoaderOutput>target/pcl.properties</pluginClassLoaderOutput>
            </configuration>
            <goals>
              <goal>load</goal>
            </goals>
          </execution>

                lock = channel.lock();

                if (touchfile.canRead()) {
                    getLogger().debug("Reading resolution-state from: " + touchfile);
                    props.load(Channels.newInputStream(channel));
                }

                props.setProperty(key, Long.toString(System.currentTimeMillis()));

                if (error != null) {

        for (ComponentDescriptor<?> descriptor : pluginDescriptor.getComponents()) {
            assertNotNull(descriptor.getRealm());
            assertNotNull(descriptor.getImplementationClass());
        }

        // reload plugin realm from cache
        session = createMavenSession(getProject("project-contributing-system-scope-plugin-dep"));
        project = session.getCurrentProject();