oracle连接时监听程序当前无法识别连接描述符中请求的服务

oracle连接时报监听程序当前无法识别连接描述符中请求的服务
主要原因时启动Oracle服务时没有先启动监听,tnsnames.ora文件中的service_name没有向连接的数据库服务器中的监听器注册。
解决方案:
1、先启动监听器,再启动服务器。
2、修改tnsnames.ora文件 让listeners主动加载服务

  (SID_DESC =
      (GLOBAL_DBNAME = orcl)
      (ORACLE_HOME = F:\oracle\product\10.2.0\db_1)
      (SID_NAME = orcl)
    )

修改后的tnsnames.ora文件内容

# listener.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

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 = orcl)
      (ORACLE_HOME = F:\oracle\product\10.2.0\db_1)
      (SID_NAME = orcl)
    )

  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
    )
  )


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转载自kinglun.iteye.com/blog/1570763