JDBC_00 - Cannot connect to specified database: com.zaxxer.hikari.pool.HikariPool$
PoolInitializationException: Failed to initialize pool: Listener refused the connection with the following error: ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
We faced this issue connecting to Oracle 19C PDB using connection string format
jdbc:oracle:thin@<host_url>:<port>:<OracleSID>
Resolution: The fix required is to use a forward slash instead of colon.
jdbc:oracle:thin@<host_url>:<port>/<OracleSID>
Use this code 