ORA-12502: TNS:listener received no CONNECT_DATA from client

Cause: No CONNECT_DATA was passed to the listener.

Action: Check that the service name resolved from TNSNAMES.ORA has the CONNECT_DATA component of the connect descriptor.

Error Type: ORA

• Additional information for ORA-12502: TNS:listener received no CONNECT_DATA from client12502
Discussions and solutions for Oracle Database Error ORA-12502: TNS:listener received no CONNECT_DATA from client Developer anwers for Oracle Database Error ORA-12502: TNS:listener received no CONNECT_DATA from client FAQs for ORA-12502: TNS:listener received no CONNECT_DATA from client search others tips for ORA-12502: TNS:listener received no CONNECT_DATA from client