ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 127.0.0.1)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = orcl)
)
)
ORCL=
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)
# listener.ora Network Configuration File: D:\home_software\intstall_path\app\product\11.2.0\dbhome_1\network\ADMIN\listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = D:\home_software\intstall_path\app\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:D:\home_software\intstall_path\app\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = DESKTOP-89BBGSR)(PORT = 1521))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
)
ADR_BASE_LISTENER = D:\home_software\intstall_path\app
监听和服务都是启动状态，试过重新配置监听和服务，但是都没有得到解决。
参考http://blog.sina.com.cn/s/blog_6f7b73770101b6l5.html
手动修改文件，难免出现问题 ，使用配置工具Net Manager 重新配置监听，然后重启服务。
服务的启动顺序也有关系，特别是服务和监听
那个问题消失了 ，现在出现了这个
SQL*Plus: Release 11.2.0.1.0 Production on 星期五 10月 20 15:22:05 2017
Copyright (c) 1982, 2010, Oracle. All rights reserved.
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
进程 ID: 0
会话 ID: 0 序列号: 0
http://www.blogjava.net/freeman1984/archive/2011/04/15/348350.html这个可以参考。
很多人解释出了三种方法，我还遇到过一次是因为我本地host文件地址问题，改成127.0.0.1这个地址就ok了，这个是比较简单的，也是容易忽略的。