ORA-12222 TNS:no such protocol adapter Cause The protocol adapter requested (by way of the "(PROTOCOL=..)" keyword-value pair in a TNS address) is unknown. If the supplied address is typographically correct then the protocol adaptor is not installed. Action Install the protocol adapter or correct typographically error, as appropriate. Note: if the supplied address was derived from resolving the service name, check the address in the appropriate file (TNSNAMES.ORA, LISTENER.ORA or TNSNET.ORA). ORA-12514: tns:LISTENER COULD NOT RESOLVE service_name GIVEN IN CONNECT DESCRIPTOR
用net assistant重新建一个，或者直接在TNSNAMES.ORA, LISTENER.ORA or TNSNET.ORA上修改：）
Action Install the protocol adapter or correct typographically error, as appropriate. Note: if the supplied address was derived from resolving the service name, check the address in the appropriate file (TNSNAMES.ORA, LISTENER.ORA or TNSNET.ORA). ORA-12514: tns:LISTENER COULD NOT RESOLVE service_name GIVEN IN CONNECT DESCRIPTOR