Ambari Reference Guide
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Troubleshooting Non-Default Databases with Ambari

Use these topics to help troubleshoot any issues you might have installing Ambari with an existing Oracle database.

Problem: Ambari Server Fails to Start: No Driver

Check /var/log/ambari-server/ambari-server.log for the following error:

ExceptionDescription:Configurationerror.Class[oracle.jdbc.driver.OracleDriver] not found.

The Oracle JDBC.jar file cannot be found.

Solution

Make sure the file is in the appropriate directory on the Ambari server and re-run ambari-server setup. Review the load database procedure appropriate for your database type in Using Non-Default Databases - Ambari.

Problem: Ambari Server Fails to Start: No Connection

Check /var/log/ambari-server/ambari-server.log for the following error:

The Network Adapter could not establish the connection Error Code: 17002

Ambari Server cannot connect to the database.

Solution

Confirm that the database host is reachable from the Ambari Server and is correctly configured by reading /etc/ambari-server/conf/ambari.properties. server.jdbc.url=jdbc:oracle:thin:@oracle.database.hostname:1521/ambaridb server.jdbc.rca.url=jdbc:oracle:thin:@oracle.database.hostname:1521/ambari

Problem: Ambari Server Fails to Start: Bad Username

Check /var/log/ambari-server/ambari-server.log for the following error:

Internal Exception: java.sql.SQLException:ORA­01017: invalid username/password; logon denied

You are using an invalid username/password.

Solution

Confirm the user account is set up in the database and has the correct privileges. See Step 3 above.

Problem: Ambari Server Fails to Start: No Schema

Check /var/log/ambari-server/ambari-server.log for the following error:

Internal Exception: java.sql.SQLSyntaxErrorException: ORA­00942: table or view does not exist

The schema has not been loaded.

Solution

Confirm you have loaded the database schema. Review the load database schema procedure appropriate for your database type in Using Non-Default Databases - Ambari.