WINDOWS下ORA-12514 TNS 监听程序当前无法识别连接描述符中请求服务

第一步：

• 关闭Windows防火墙
• Win + R，输入control
• 右上方查看方式切换成小图标
• 点击Windows防火墙
• 左侧侧边栏打开或关闭Windows‘防火墙
• 关闭并保存

第二步：

• Win + R，输入services.msc
• 启动所有Oracle前缀的服务
• 重试

第三步：

• 进入安装目录\app\Administrator\product\11.2.0\dbhome_1\NETWORK\ADMIN
• 编辑`listener.ora，新增监听
• 在SID_LIST_LISTENER =下新增

(SID_DESC =
       (GLOBAL_DBNAME = orcl)
       (ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)  
       (SID_NAME = orcl)
    )

• orcl是默认数据库实例，需要按照实际情况修改
• ORACLE_HOME是产品目录，需要按照实际情况修改
• 完整配置文件

# listener.ora Network Configuration File: C:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:C:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll")
    )
    (SID_DESC =
       (GLOBAL_DBNAME = orcl)
       (ORACLE_HOME = C:\app\Administrator\product\11.2.0\dbhome_1)  
       (SID_NAME = orcl)
    )
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = TCP)(HOST = DATABASE)(PORT = 1521))
    )
  )
ADR_BASE_LISTENER = C:\app\Administrator

• Win + R，输入services.msc
• 重启OracleOraDb11g_home1TNSListener服务
• 重试