3.1. Troubleshooting Ambari

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

 3.1.1. Problem: Ambari Server Fails to Start: No Driver

Check /var/log/ambari-server/ambari-server.log for :

Class[oracle.jdbc.driver.OracleDriver] not found.

The Oracle JDBC .jar file cannot be found. Soution

Make sure the file is in the appropriate directory on the Ambari server and re-run ambari-server setup. See Step 1 above.

 3.1.2. Problem: Ambari Server Fails to Start: No Connection

Check /var/log/ambari-server/ambari-server.log for :

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

Ambari Server cannot connect to the database. Soution

Confirm the database host is reachable from the Ambari Server and is correctly configured by reading /etc/ambari-server/conf/ambari.properties


 3.1.3. Problem: Ambari Server Fails to Start: Bad Username

Check /var/log/ambari-server/ambari-server.log for :

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

You are using an invalid username/password. Soution

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

 3.1.4. Problem: Ambari Server Fails to Start: No Schema

Check /var/log/ambari-server/ambari-server.log for :

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

The schema has not been loaded. Soution

Confirm you have loaded the database schema. See Step 4 above.

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