public ServiceManager startAsync() {
    for (Service service : services) {
      checkState(service.state() == NEW, "Not all services are NEW, cannot start %s", this);
    }
    for (Service service : services) {
      try {
        state.tryStartTiming(service);
        service.startAsync();
      } catch (IllegalStateException e) {
        // This can happen if the service has already been started or stopped (e.g. by another

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.job;

import org.codelibs.fess.app.service.CrawlingInfoService;
import org.codelibs.fess.app.service.JobLogService;
import org.codelibs.fess.app.service.SearchLogService;
import org.codelibs.fess.app.service.UserInfoService;
import org.codelibs.fess.helper.SystemHelper;
import org.codelibs.fess.mylasta.direction.FessConfig;

     *
     * @throws org.apache.maven.api.services.MavenException if not called from the within a mojo execution
     */
    @Nonnull
    Map<String, Object> getPluginContext(@Nonnull Project project);

    /**
     * Retrieves the service for the interface
     *
     * @throws NoSuchElementException if the service could not be found
     */
    @Nonnull
    <T extends Service> T getService(@Nonnull Class<T> clazz);

  }

  private static void assertState(
      ServiceManager manager, Service.State state, Service... services) {
    Collection<Service> managerServices = manager.servicesByState().get(state);
    for (Service service : services) {
      assertEquals(service.toString(), state, service.state());

import org.apache.maven.api.di.Provides;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.api.di.Typed;
import org.apache.maven.api.services.Lookup;
import org.apache.maven.api.services.ToolchainFactoryException;
import org.apache.maven.api.services.ToolchainManagerException;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.impl.MappedList;
import org.apache.maven.toolchain.model.ToolchainModel;

Once the config changes are applied, proceed to restart **Hadoop** services.

![hdfs-services](https://github.com/minio/minio/blob/master/docs/bigdata/images/image7.png?raw=true "hdfs restart services")

### **3.2 Configure Spark2**

Navigate to **Services** -> **Spark2** -> **CONFIGS** as shown below

 * A meta-version is a version suffixed with the {@code SNAPSHOT} keyword.
 * Versions are usually parsed using the {@link org.apache.maven.api.services.VersionParser} service.
 *
 * @since 4.0.0
 * @see org.apache.maven.api.services.VersionParser#parseVersion(String)
 * @see org.apache.maven.api.Session#parseVersion(String)
 * @see VersionConstraint
 * @see VersionRange
 */
@Experimental

 * Constraint is either a range ("[1,2)") or recommended version ("1.0").
 *
 * {@code VersionConstraint} objects are created using the
 * {@linkplain org.apache.maven.api.services.VersionParser} service.
 *
 * @see Version
 * @see VersionRange
 * @see org.apache.maven.api.services.VersionParser#parseVersionConstraint(String)
 * @see org.apache.maven.api.Session#parseVersionConstraint(String)
 * @since 4.0.0
 */
@Experimental

* There are 4 minio distributed instances created by default. You can add more MinIO services (up to total 16) to your MinIO Compose deployment. To add a service
  * Replicate a service definition and change the name of the new service appropriately.
  * Update the command section in each service.
  * Add a new MinIO server instance to the upstream directive in the Nginx configuration file.

/**
 * A range of versions.
 *
 * {@code VersionConstraint} objects are created using the
 * {@linkplain org.apache.maven.api.services.VersionParser} service.
 *
 * @see Version
 * @see VersionConstraint
 * @see org.apache.maven.api.services.VersionParser#parseVersionRange(String)
 * @see org.apache.maven.api.Session#parseVersionRange(String)
 * @since 4.0.0
 */
@Experimental