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Listeners and TNS connections are usually the key for Oracle beginners to understand. However, if there is a problem in the actual configuration process, it will cause the Oracle connection failure. Ben Listeners and TNS connections are usually the
Oracle installation is a complex process. In Linux, AIX, and other operating system versions, the preparation process and time often exceed the installer and the database creation process. In addition, once a configuration item is incorrect,
Remember a bizarre TNS-12545 TNS-12560 TNS-00515, tns-12545tns-12560 Recently, reportDB listeners cannot be started with the system, which is a strange phenomenon. Because the listener of another instance on the server can be started normally, it is
TNS-12541, TNS-12560, TNS-00511, TNS-12542, TNS-12560, TNS-00512 database boot listener error, tns-12541tns-00512 Chapter 4 Database Server listener errors 1.1.1 database listening Error 126.96.36.199 problems and phenomena The server environment is
TNS-12541, TNS-12560, TNS-00511, TNS-12542, TNS-12560, TNS-00512 database boot listener Error Chapter 4 Database Server listener errors 1.1.1 database listening Error 188.8.131.52 problems and phenomena The server environment is ORACLE11G RAC. After the
Recently, reportdb listeners cannot be started with the system, which is a strange phenomenon. Because the listener of another instance on the server can be started normally, it is normal that the listener of the Instance cannot be started manually.
An access troubleshooting-TNS-03505, ORA-12154, TNS-12560, dynamic registration, firewall, tnsping tracking, tns-03505tnsping To access the database through Oracle Net, You need to configure the listener and tnsnames. ora. Next, you will encounter a
TNS-12537 TNS-12560 TNS-00507An error is reported when the Oracle listener is started, indicating that the connection is interrupted. [oracle @ localhost ~] $ Lsnrctl startLSNRCTL for Linux: Version 184.108.40.206.0-Production on 06-AUG-2014 20: 02: 16
Today, a database server login failed, report TNS-12541: TNS: no listener Check the listener status on the server 1. oracle @ linux-34: ~> Lsnrctl status 2. 3. LSNRCTL for Linux: Version 220.127.116.11.0-Production on 14-OCT-2011 09:12:37 4. 5.
TNS is part of Oracle NET, dedicated to managing and configuring Oracle databases and client connections, and in most cases the client and the database must be configured with TNS, (you can use sqldeveloper without configuring TNS), so let's see how