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

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services.xml;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.MavenException;

/**
 * An exception thrown while writing an XML file.
 *
 * @since 4.0.0
 */
@Experimental

     * {@link org.apache.maven.api.services.BuilderProblem.Severity#ERROR}.
     */
    default boolean hasErrorProblems() {
        return hasProblemsFor(BuilderProblem.Severity.ERROR);
    }

    /**
     * Returns {@code true} if there is at least one problem collected with severity equal or more severe than
     * {@link org.apache.maven.api.services.BuilderProblem.Severity#FATAL}.
     */

 * under the License.
 */
package org.apache.maven.api.cache;

import java.util.List;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.Request;
import org.apache.maven.api.services.Result;

/**
 * Exception thrown when a batch request operation fails. This exception contains the results
 * of all requests that were attempted, including both successful and failed operations.

 * under the License.
 */

/**
 * Provides XML-specific services for reading and writing Maven's configuration files
 * and descriptors. These services handle XML parsing, transformation, and serialization
 * while maintaining Maven's model integrity.
 *
 * @since 4.0.0
 */

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services.xml;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.services.MavenException;

/**
 * An exception thrown while reading an XML file.
 *
 * @since 4.0.0
 */
@Experimental

     * for the specified servlet request.
     *
     * @param tc the CIFS context to use
     *
     * @param req
     *            The request being serviced.
     * @param resp
     *            The response.
     * @param challenge
     *            The domain controller challenge.
     * @return credentials passed in the servlet request
     * @throws IOException

            "Not enough storage is available to process this command.", "The media is write protected.", "The device is not ready.",
            "A device attached to the system is not functioning.", "A device attached to the system is not functioning.",
            "The process cannot access the file because it is being used by another process.",

            "Not enough storage is available to process this command.", "The media is write protected.", "The device is not ready.",
            "A device attached to the system is not functioning.", "A device attached to the system is not functioning.",
            "The process cannot access the file because it is being used by another process.",

Regression Test
===============

A gradle module for running Regression tests on a device, emulator or JVM.

1. Add an Emulator named `pixel5`, if you don't already have one

```
$ sdkmanager --install "system-images;android-29;google_apis;x86"
$ echo "no" | avdmanager --verbose create avd --force --name "pixel5" --device "pixel" --package "system-images;android-29;google_apis;x86" --tag "google_apis" --abi "x86"
```