ORA-12545 in RAC

alter system set local_listener='(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.20.128)(PORT = 1521)' sid='fujidb1';

alter system set local_listener='(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.20.129)(PORT = 1521)' sid='fujidb2';

问题解决，主要还是修改local_listener参数。