Oracle出现 The Network Adapter could not establish the connection

错误截图如下

Oracle出现 The Network Adapter could not establish the connection_第1张图片

 

排障

首先确保你的Oracle实例和监听服务是开启的,如下

Oracle出现 The Network Adapter could not establish the connection_第2张图片

然后,产生问题的原因就是你的主机名写错了

解决

打开listener.ora文件

D:\SoftwareDevelopment\Oracle\product\11.2.0\dbhome_1\NETWORK\ADMIN\listener.ora (具体看你的实际路径)

文件内容大致如下

# listener.ora Network Configuration File: D:\SoftwareDevelopment\Oracle\product\11.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
  (SID_LIST =
     (SID_DESC =
     (GLOBAL_DBNAME = orcl.168.6.168)
     (ORACLE_HOME = D:\SoftwareDevelopment\Oracle\product\11.2.0\dbhome_1)
     (SID_NAME = ORCL)
     )

    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = D:\SoftwareDevelopment\Oracle\product\11.2.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:D:\SoftwareDevelopment\Oracle\product\11.2.0\dbhome_1\bin\oraclr11.dll")
    )
  
  )

LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
      (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.6.168)(PORT = 1521))
    )
  )

ADR_BASE_LISTENER = D:\SoftwareDevelopment\Oracle

上面红色部分,host就是你的主机名,port就是端口,你可以自己配,但是登陆时一定要用这个文件中配置的HOST的实际值,也可以用电脑的计算机全名

 

如下图所示

使用配置文件中的指定值-OK

Oracle出现 The Network Adapter could not establish the connection_第3张图片

使用计算机全名-也OK

Oracle出现 The Network Adapter could not establish the connection_第4张图片

Oracle出现 The Network Adapter could not establish the connection_第5张图片

 

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