Oracle DBA, How To, Error, Cause and Action

ORA-09763: osnmpx: send/receive error exchanging Mach ports.

ORA-09763: osnmpx: send/receive error exchanging Mach ports.




Cause: The Mach driver failed to exchange port information with the other side of the connection. Either msg_send (sercose[0] == 1) or msg_receive (sercose[0] == 2) failed.




Action: Check return code in sercerrno. Make sure both sides of the connection are still running.

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