现象

C:\Users\Administrator>sqlplus scott/tiger@192.168.1.11:1521/orcl

SQL*Plus: Release 11.2.0.4.0 Production on Wed Nov 13 17:53:59 2019

Copyright (c) 1982, 2013, Oracle. All rights reserved.

ERROR:
ORA-28547: connection to server failed, probable Oracle Net admin error

监听配置

# listener.ora Network Configuration File: C:\oracle\product\11.2.\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools. SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(SID_NAME = orcl)
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = C:\oracle\product\11.2.\dbhome_1)
(PROGRAM = extproc)
(ENVS ="EXTPROC_DLLS=ONLY:C:\oracle\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
) LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.11)(PORT = ))
    #经测试重新配置监听,这里是主机名时可以正常连接,修改为IP 后就报上面的错误 ORA-28547
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.11)(PORT = ))
)
) ADR_BASE_LISTENER = C:\oracle

处理

注释掉 extproc 相关项,重启监听,恢复正常。

# listener.ora Network Configuration File: C:\oracle\product\11.2.\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools. SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
#(SID_NAME =
CLRExtProc)
(SID_NAME = orcl)
(GLOBAL_DBNAME = orcl)
(ORACLE_HOME = C:\oracle\product\11.2.\dbhome_1)
# (PROGRAM = extproc)
# (ENVS ="EXTPROC_DLLS=ONLY:C:\oracle\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
) LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.11)(PORT = ))
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.2.11)(PORT = ))
)
) ADR_BASE_LISTENER = C:\oracle
05-11 16:15
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