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| 在本篇随笔中,仅根据个人经验累积错误进行描述. |
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PL/SQL Developer
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ORA-12541:TNS:无监听程序;
使用时,左上角弹出(没有登录);
服务: OracleOraDb11g_home1TNSListener & OracleServiceAPLUS开启
解决:修改listener.ora&tnsnames.ora
HOST = localhost >> HOST =192.IP
SID = CLRExtProc >> SID = orcl(实例默认orcl)
思路:1是监听服务未开启.2是监听的tnsnames值不对,一般改值就可以.
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