ORA-12514: TNS: listener does not currently know of service requested in connect descriptor

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1. 环境： oracle 11g x64

2. sqlplus 可以正常使用，PLSQLDeveloper登录出错如下：

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2. 解决方法：参考http://www.linuxidc.com/Linux/2012-09/69678.htm

 

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ORA-12514: TNS:listener does not currently know of service requested in connect

ORA-12514: TNS: listener does not currently know of service requested in connect descriptor

Listener refused the connection with the following error:ORA-12514, TNS:listener does not currently

ORA-12514 TNS listener does not currently know of service re