修改前的listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\oracle\product)
(PROGRAM = extproc)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = logicgate)(PORT = 1521))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
)
修改后的listener.ora
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = D:\oracle\product)
(PROGRAM = extproc)
)
(SID_DESC =
(GLOBAL_DBNAME = epcit)
(ORACLE_HOME = d:\oracle\product)
(SID_NAME = epcit)
)
)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = logicgate)(PORT = 1523))
)
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC0))
)
)
监听端口从1521变为1523。由于oracle实例的动态注册只能在默认端口1521上运行，端口改变后我这里使用了静态注册。重新启动监听器：
D:\>lsnrctl stop
D:\>lsnrctl start
D:\>lsnrctl services
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=logicgate)(PORT=1523)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
Service "epcit" has 1 instance(s).
Instance "epcit", status UNKNOWN, has 1 handler(s) for this service...
Handler(s):
"DEDICATED" established:0 refused:0
LOCAL SERVER
The command completed successfully
可以看到数据库实例"epcit"已经成功注册到监听器的端口1523上面。改变监听器端口后运行tnsping会出错，但只要更改tnsnames.ora中对应的端口就可以了。
然后登陆database control, 出现如下错误：Enterprise Manager is not able to connect to the database
instance. The state of the components are listed below。修改方法如下：
1。%oracle_home\%hostname%_epcit\sysman\config\emoms.properties 在这个文件里我们可以找到两个和端口有关的设置
oracle.sysman.eml.mntr.emdRepPort=1521
oracle.sysman.eml.mntr.emdRepConnectDescriptor=(DESCRIPTION\=(ADDRESS_LIST\=(ADDRESS\=(PROTOCOL\=TCP)(HOST\=LOGICGATE)(PORT\=1521)))(CONNECT_DATA\=(SERVICE_NAME\=epcit)))
把旧的端口改为新的端口就ok。
2。%oracle_home\%hostname%_epcit\sysman\emd\targets.xml 把所有旧的端口换成新的。
3。重启database control，登陆oem，成功！
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