Can't connect to Oracle 19.3 with 19.3 JDBC driver
It looks like the underlying Socket implementation is not allowing OOB. As a workaround, you can disable the OOB check by setting the connection property CONNECTION_PROPERTY_THIN_NET_DISABLE_OUT_OF_BAND_BREAK to "true". Please refer this link : https://docs.oracle.com/en/database/oracle/oracle-database/20/jajdb/oracle/jdbc/OracleConnection.html#CONNECTION_PROPERTY_THIN_NET_DISABLE_OUT_OF_BAND_BREAK