1.檢測服務端的監聽器有沒有啟動？ lsnrctl status

2.檢測E:\oracle\oracle10g\NETWORK\ADMIN是否存在 tnsnames.ora 和sqlnet.ora 兩個文件,文件內容分別是

?

# tnsnames.ora Network Configuration File: E:\oracle\product\10.2.0\client_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.

ORCL_10.166.253.19 =
? (DESCRIPTION =
??? (ADDRESS_LIST =
????? (ADDRESS = (PROTOCOL = TCP)(HOST = 10.166.253.19)(PORT = 1521))
??? )
??? (CONNECT_DATA =
????? (SID = orcl)
????? (SERVER = DEDICATED)
??? )
? )

?

-------------------------------------------------------------------------------------

?

?

# listener.ora Network Configuration File: E:\oracle\product\10.2.0\client_1\NETWORK\ADMIN

\listener.ora
# Generated by Oracle configuration tools.

LISTENER =
? (DESCRIPTION_LIST =
??? (DESCRIPTION =
????? (ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
??? )
??? (DESCRIPTION =
????? (ADDRESS = (PROTOCOL = TCP)(HOST = LYR)(PORT = 1521))
??? )
? )

?

?

?

轉載于:https://www.cnblogs.com/longlongway/archive/2012/02/18/2356864.html

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