[SOLVED] java.lang.ClassCastException: com.zaxxer.hikari.pool.HikariProxyConnection cannot be cast to oracle.jdbc.internal.OracleConnection

Error added: 2022-01-05T09:31:52Z

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Answer 2699 (50.0% helpful)

public class DBConfig {

    public DataSource dataSource(@Value("${spring.datasource.url}") String url,
                                 @Value("${spring.datasource.username}") String username,
                                 @Value("${spring.datasource.password}") String password) throws SQLException {
        OracleDataSource dataSource = new OracleDataSource();
        return dataSource;


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