ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
2017-03-18 21:42
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oracle 博主今天第一次学习 , 就被这个问题弄了一晚上 ,因此一定要记下来
出现这种问题的情况一般是两种:
1.看看是不是监听服务没有起来
2.检查有没有修改IP地址,计算机名称
除此之外在网上查资料的时候还有一种:http://blog.csdn.net/icqsky/archive/2009/07/01/4313791.aspx
如下:这个错误是因为Listener出了问题,请检查一下你的listener.ora文件,看下是否存在如下配置:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC=
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
)
如果说是这样,那么请将一段改成
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME =E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
) (SID_DESC =
(GLOBAL_DBNAME = ORCL)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(SID_NAME = ORCL)
)
)
这样以后,关掉Service和LISTENER。再启动Service和LISTENER,这样应该就可以了,注意顺序。
查了一下,网上是说,加上了面一段东西,意思是把LISTENER服务主动注册到进程监视器(pmon)中去。所以,但你启动了Serivce后,启动LISTENER的时候,会主动去注册到进程监视器(pmon)中去。所以不会有什么问题。但是反过却不行。
如果说没有添加那一段,情况正好相反,是由实例的pmon进程在LISTENER中注册服务,LISTENER为被动注册。所以需要先起LISTENER才可以。
总结一下,如果说你不加那段东西,那么就应该先起LISTENER,如果说你加了那段东西,就应该先起Serivce。
我试了一下,的确是这样。不过在windows上,有时候会报错,重启一下再试就可以了
第三种情况我试了,没能解决情况,我出问题的原因是第二种情况,由于从客户那回到公司(客户那里用的是代理上网)ip地址变了,所以我是这样改的:
找到oracle安装目录,一般都是这样的home\oracle\product\10.1.0\Db_1\NETWORK\ADMIN下的
tnsnames.ora文件
打开后添加
"你的IP" =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = "你的IP")(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = "你要连接的数据库名")
)
)
添加完后我的这个问题就解决完了,网上关于这个问题的解决方法貌似很多,依个人情况而定,写的不全,有没提到的希望多多补充
出现这种问题的情况一般是两种:
1.看看是不是监听服务没有起来
2.检查有没有修改IP地址,计算机名称
除此之外在网上查资料的时候还有一种:http://blog.csdn.net/icqsky/archive/2009/07/01/4313791.aspx
如下:这个错误是因为Listener出了问题,请检查一下你的listener.ora文件,看下是否存在如下配置:
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC=
(SID_NAME = PLSExtProc)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
)
)
如果说是这样,那么请将一段改成
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME =E:\oracle\product\10.2.0\db_1)
(PROGRAM = extproc)
) (SID_DESC =
(GLOBAL_DBNAME = ORCL)
(ORACLE_HOME = E:\oracle\product\10.2.0\db_1)
(SID_NAME = ORCL)
)
)
这样以后,关掉Service和LISTENER。再启动Service和LISTENER,这样应该就可以了,注意顺序。
查了一下,网上是说,加上了面一段东西,意思是把LISTENER服务主动注册到进程监视器(pmon)中去。所以,但你启动了Serivce后,启动LISTENER的时候,会主动去注册到进程监视器(pmon)中去。所以不会有什么问题。但是反过却不行。
如果说没有添加那一段,情况正好相反,是由实例的pmon进程在LISTENER中注册服务,LISTENER为被动注册。所以需要先起LISTENER才可以。
总结一下,如果说你不加那段东西,那么就应该先起LISTENER,如果说你加了那段东西,就应该先起Serivce。
我试了一下,的确是这样。不过在windows上,有时候会报错,重启一下再试就可以了
第三种情况我试了,没能解决情况,我出问题的原因是第二种情况,由于从客户那回到公司(客户那里用的是代理上网)ip地址变了,所以我是这样改的:
找到oracle安装目录,一般都是这样的home\oracle\product\10.1.0\Db_1\NETWORK\ADMIN下的
tnsnames.ora文件
打开后添加
"你的IP" =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = "你的IP")(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = "你要连接的数据库名")
)
)
添加完后我的这个问题就解决完了,网上关于这个问题的解决方法貌似很多,依个人情况而定,写的不全,有没提到的希望多多补充
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