00. 目錄

文章目錄

• • 00. 目錄
  • 01. 問題描述
  • 02. 問題分析
  • 03. 問題解決
  • 04. 結果驗證
  • 05. 附錄

01. 問題描述

第一次裝Oracle和PLSQL Developer，在打開plsql登錄后出現ORA-12541:TNS:no listener的錯誤

02. 問題分析

listener.ora配置文件中的host與Centos的不一致導致的。

03. 問題解決

3.1 修改配置文件listener.ora

[oracle@localhost ~]$ vim /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora # listener.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora # Generated by Oracle configuration tools.LISTENER =(DESCRIPTION_LIST =(DESCRIPTION =(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))# 此處的HOST改為0.0.0.0(ADDRESS = (PROTOCOL = TCP)(HOST = 0.0.0.0)(PORT = 1521))))ADR_BASE_LISTENER = /u01/app/oracle

3.2 修改配置文件tnsnames.ora

[oracle@localhost ~]$ gedit /u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora # tnsnames.ora Network Configuration File: /u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora # Generated by Oracle configuration tools.LISTENER_ORCL =#此處的HOST改為0.0.0.0(ADDRESS = (PROTOCOL = TCP)(HOST = 0.0.0.0)(PORT = 1521))ORCL =(DESCRIPTION =#此處的HOST改為0.0.0.0(ADDRESS = (PROTOCOL = TCP)(HOST = 0.0.0.0)(PORT = 1521))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = orcl)))

3.3 重新啟動lsnrctl

[oracle@localhost ~]$ lsnrctl stopLSNRCTL for Linux: Version 11.2.0.1.0 - Production on 30-JUN-2020 20:57:01Copyright (c) 1991, 2009, Oracle. All rights reserved.Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521))) The command completed successfully [oracle@localhost ~]$ [oracle@localhost ~]$ lsnrctl start

04. 結果驗證

連接Ok.

05. 附錄

5.1 【Tools】PLSQL Developer13.0.4注冊和使用教程

參考：https://blog.csdn.net/dengjin20104042056/article/details/107029452

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