After successful installation navigate to the Ambari UI `http://<ambari-server>:8080/` and login using the default credentials: [**_username: admin, password: admin_**]

![ambari-login](https://github.com/minio/minio/blob/master/docs/bigdata/images/image3.png?raw=true "ambari login")

### **3.1 Configure Hadoop**

Navigate to **Services** -> **HDFS** -> **CONFIGS** -> **ADVANCED** as shown below

# Application Exception
# ---------------------
# /- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Login failed.
errors.app.illegal.transition = Illegal transition. Please try again.
errors.app.db.already.deleted = It may have been deleted by another process. Please try again.

# Application Exception
# ---------------------
# /- - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# five framework-embedded messages (don't change key names)
# - - - - - - - - - -/
errors.login.failure = Login failed.
errors.app.illegal.transition = Illegal transition. Please try again.
errors.app.db.already.deleted = It may have been deleted by another process. Please try again.

import java.security.GeneralSecurityException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;

import javax.security.auth.kerberos.KerberosKey;
import javax.security.auth.login.LoginException;

import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;

    /** Property key for login requirement configuration. */
    public static final String LOGIN_REQUIRED_PROPERTY = "login.required";

    /** Property key for result collapse configuration. */
    public static final String RESULT_COLLAPSED_PROPERTY = "result.collapsed";

    /** Property key for login link enabled configuration. */

									</li>
								</c:when>
								<c:when test="${ pageLoginLink }">
									<li class="nav-item"><la:link href="/login"
											styleClass="nav-link" role="button" aria-haspopup="true"
											aria-expanded="false">
											<em class="fa fa-fw fa-sign-in">
											<la:message key="labels.login" />
										</la:link></li>
								</c:when>
							</c:choose>
							<li class="nav-item"><la:link href="/help"

- **i18n**: All user-facing strings in `fess_label_*.properties`
- **Default Port**: 8080 (configurable via `fess.port` system property)
- **Log Location**: `target/fess-logs/` (dev), `/var/log/fess/` (prod)
- **Admin Login**: `admin/admin`

## Log Message Guidelines

- Format parameters as `key=value` (e.g., `sessionId={}`, `url={}`)
- Prefix with `[name]` when context identification is needed

		redirectPage.append("/error/systemerror/");
		response.sendRedirect(redirectPage.toString());
	} else {
		response.sendError(statusCode);
	}
} else if("logOut".equals(type)) {
	redirectPage.append("/login/?type=logout&code=" + statusCode);
	response.sendRedirect(redirectPage.toString());
} else if("badRequest".equals(type)) {
	redirectPage.append("/error/badrequest/");
	response.sendRedirect(redirectPage.toString());

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.app.web.base.login;

/**
 * Interface for Fess credential management.
 * Provides access to user identification information.
 */
public interface FessCredential {

    /**
     * Gets the user ID for this credential.

		redirectPage.append("/error/systemerror/");
		response.sendRedirect(redirectPage.toString());
	} else {
		response.sendError(statusCode);
	}
} else if("logOut".equals(type)) {
	redirectPage.append("/login/?type=logout&code=" + statusCode);
	response.sendRedirect(redirectPage.toString());
} else if("badRequest".equals(type)) {
	redirectPage.append("/error/badrequest/");
	response.sendRedirect(redirectPage.toString());