ORA-17207
The tnsEntry property was not set in DataSource.
Cause
The TNS entry for the connection is null or invalid. This occurs when the TNS entry information is not available or incorrectly specified in the URL or properties.
Action
Ensure that the TNS entry is correctly specified in the URL or properties. Verify that the TNS entry is not empty and follows the correct format. Provide a valid TNS entry to establish the connection successfully.