Error after logins into MDM Web page

Dear Team,

We are trying to login into MDM Web page http://localhost:8080/org.eclipse.mdm.nucleus using sa/sa.

Immediately after login, various error messages are displayed. Please refer attachment for all errors.

Log file gives the error message as :Schema 'SA' doesnot exists.

Please find the attachment for logs generated at
glassfish-4.1.2 (1)\glassfish4\glassfish\domains\domain1\logs\server.log

We are using Avalon ASAM-ODS server 4.7.
It is connected to the Oracle 12c DB, existing application model for OpenMDM4.

All steps given in the document "GettingStarted_mdmbl.pdf" are followed for points
3.3.1 Apache Derby Database
3.4.1 Configure JDBC for the User Preference Service DB

Please suggest to resolve this issue.