ORA-12224: TNS:no listener



ORA-12224: TNS:no listener..

Answer / guest

Cause: The connection request could not be completed because
the listener is not running.

Action: Ensure that the supplied destination address matches
one of the addresses used by the listener - compare the
TNSNAMES.ORA entry with the appropriate LISTENER.ORA file
(or TNSNAV.ORA if the connection is to go by way of an
Interchange). Start the listener on the remote machine.

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