解决ORA-12514 TNS 监听程序当前无法识别连接描述符中请求的服务

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1、解决ORA-12514 TNS 监听程序当前无法识别连接描述符中请求的服务oracle 版本：oracle 11g1. 打开文件/network/admin/listener.ora ,你将看到如下的内容:SID_LIST_LISTENER =(SID_LIST =(SID_DESC =(SID_NAME = PLSExtProc)(ORACLE_HOME = D:oracleproduct10.2.0db_1)(PROGRAM = extproc)2. 将下面的语句添加到上面的语句中去。(SID_DESC =(GLOBAL_DBNAME = ORACLE)(ORACLE_HOME = D:o

2、racleproduct10.2.0db_1)(SID_NAME = ORACLE)3. 文件的内容则变成了如下所示:SID_LIST_LISTENER =(SID_LIST =(SID_DESC =(SID_NAME = PLSExtProc)(ORACLE_HOME = D:oracleproduct10.2.0db_1)(PROGRAM = extproc)(SID_DESC =(GLOBAL_DBNAME = ORACLE)(ORACLE_HOME = D:oracleproduct10.2.0db_1)(SID_NAME = ORACLE)4. 保存文件，然后重新启动监听服务TNSL

3、istener 就可以了！我的windows xp 上oracle 11g 中的linstener.ora 修改后的情况SID_LIST_LISTENER=(SID_LIST =(SID_DESC =(SID_NAME = oracle9ivm)(ORACLE_HOME = D:oracle11ghuajie.wuproduct11.1.0db_1)(PROGRAM = extproc)(SID_DESC =(GLOBAL_DBNAME = oracle9ivm)(ORACLE_HOME = D:oracle11ghuajie.wuproduct11.1.0db_1)(SID_NAME = oracle9ivm)LISTENER =(DESCRIPTION_LIST =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = whj2819)(PORT = 1521)(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521)