同时修改tnsnames.ora、listener.ora将这两个文件中HOST后面的主机都修改为127.0.0.1然后重启OracleServiceXE、OracleXETNSListener服务
listener.ora文件修改为
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:Oracle10gXEUnivapporacleproduct10.2.0server)
(PROGRAM = extproc)
)
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = E:Oracle10gXEUnivapporacleproduct10.2.0server)
(PROGRAM = extproc)
)
(SID_DESC =
(SID_NAME = XE)
(ORACLE_HOME = E:Oracle10gXEUnivapporacleproduct10.2.0server)
)
/*红色字体部分即为新加的数据库实例描述，注意该实例那样加(PROGRAM = extproc),否则会报“ORA-28547: TNS: 连接服务器失败，可能是Net8管理错误。”*/
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
)
)
DEFAULT_SERVICE_LISTENER = (XE)