Oracle数据库备份导出时,报错:ORA-12514

连接Oracle 10g错误:ORA-12514: TNS: 监听程序当前无法识别连接描述符中请求
 
解决方法:
1. 打开<OracleHome>/network/admin/listener.ora文件,找到:
  SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (PROGRAM = extproc)
    )
  )

2. 添加:
            (SID_DESC =
      (GLOBAL_DBNAME = ORACLE)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (SID_NAME = ORACLE)
      )

3. 最后变成:
SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = PLSExtProc)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (PROGRAM = extproc)
    )
    (SID_DESC =
      (GLOBAL_DBNAME = ORACLE)
      (ORACLE_HOME = D:\oracle\product\10.2.0\db_1)
      (SID_NAME = ORACLE)
      )
  )

注意:不能添加(PROGRAM = extproc)

4. 保存文件,重启服务中的TNSListener,OK!

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