Intermittent ORA-12514 error connecting to SCAN listeners

Users were complaining of ORA-12514: TNS:listener does not currently know of service requested in connect descriptor errors whilst connecting to a database on a RAC cluster. The cause was elusive, but was eventually tracked down to an unpublished bug relating to SCAN listener re-registration. Read More

JDBC Connection strings for Oracle (thin driver)

This is a subject that I am often asked about by developers and support teams changing  application configuration details: What is the correct format of JDBC connection strings for the thin driver?

Oracle's JDBC Thin driver uses Java sockets to …

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