需要帮助为本地 Oracle 19c 数据库注册和设置侦听器，以便我可以远程连接 sqldeveloper

编程问答 2022-05-13

问题描述

谁能帮帮我。我有一个在 Oracle Enterprise Linux 8.3 上运行的本地 19c 数据库。我创建了一个名为 orclpdb1 的 pdb，我曾经能够连接到它。在这一点上，我没有设置监听器来保持持久性，现在我可以远程连接到 cdb。

这里是一些命令以及 tnsnames.ora 和 listener.ora 的一些输出。我是新手，tnsnames.ora 和 listener.ora 在服务、侦听器和注册表方面让我感到困惑。

sql> show parameter instance_name
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
instance_name                        string      ORCLCDB*

*sql> show parameter local_listener
NAME                                 TYPE        VALUE
------------------------------------ ----------- ------------------------------
local_listener                       string      (ADDRESS=(PROTOCOL=tcp)(HOST=1
                                                 92.168.1.235)(PORT=1522))*

*sql> show pdbs
    CON_ID CON_NAME                       OPEN MODE  RESTRICTED
---------- ------------------------------ ---------- ----------
         2 PDB$SEED                       READ ONLY  NO
         3 ORCLPDB1                       MOUNTED*

    [oracle@localhost admin]$ more listener.ora
    # listener.ora Network Configuration File: /opt/oracle/product/19c/dbhome_1/network/admin/listener.ora
    # Generated by Oracle configuration tools.
    PDB_LISTENER =
            (DESCRIPTION =
              (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT=1521))
             )
    SID_LIST_LISTENER_PDB1 =
      (SID_LIST =
          (SID_DESC =
            (GLOBAL_dbnAME = ORCLPDB1)
            (SID_NAME = ORCL)
            (ORACLE_HOME = /opt/oracle/product/19c/dbhome_1)
          )
      )
    LISTENER =
      (DESCRIPTION_LIST =
        (DESCRIPTION =
          (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
          (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
        )
      )

    [oracle@localhost admin]$ more tnsnames.ora
    # tnsnames.ora Network Configuration File: /opt/oracle/product/19c/dbhome_1/network/admin/tnsnames.ora
    # Generated by Oracle configuration tools.
    ORCLCDB =
      (DESCRIPTION =
        (ADDRESS = (PROTOCOL = TCP)(HOST = localhost)(PORT = 1521))
        (CONNECT_DATA =
          (SERVER = DEDICATED)
          (SERVICE_NAME = ORCLCDB)
        )
      )
    ORCLPDB1 =
       (DESCRIPTION =
          (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.1.235)(PORT = 1521))
          (CONNECT_DATA =
            (SERVER = DEDICATED)
            (SERVICE_NAME=ORCLCDB)
    )
    )
    [oracle@localhost admin]$

解决方法

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