oracle 本地连接适配器错误无法连接plsql

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这种情况基本都是适配器与监听问题:

参数配置 :

File = oralce安装路径

ORACLE_HOME = oracle 环境变量配置的信息,

HOST = 本机计算机名字, 自行修改

PORT = 自己的端口,默认1521

1.找到本地oracle 文件夹C:\oracle\product\10.2.0\db_1\NETWORK\ADMIN下面的listener.ora,tnsnames.ora两个文件内容修改

listener.ora 内容修改

请自己备份一下里面的内容,然后全部替换成如下:

# listener.ora Network Configuration File: C:\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 = C:\oracle\product\10.2.0\db_1)
      (PROGRAM = extproc)
    )
)

LISTENER =
(DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
      (ADDRESS = (PROTOCOL = TCP)(HOST = PC-201407051152)(PORT = 1521))
    )
)

2.tnsnames.ora修改

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

ORCL =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = PC-201407051152)(PORT = 1521))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = orcl)
    )
)

EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
    )
    (CONNECT_DATA =
      (SID = PLSExtProc)
      (PRESENTATION = RO)
    )
)

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