现象：监听启动正常，数据库正常，能查询到文件。我的19c是从11g升级过来的。
[oracle@dbserver admin]$ lsnrctl status LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 11-JAN-2022 15:29:28 Copyright (c) 1991, 2019, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=dbserver)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production Start Date 11-JAN-2022 15:29:20 Uptime 0 days 0 hr. 0 min. 7 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/app/oracle/product/19c/dbhome_1/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/dbserver/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbserver)(PORT=1521))) (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521))) The listener supports no services The command completed successfully
我的实例名称为prod
[oracle@dbserver admin]$ sqlplus / as sysdba SQL*Plus: Release 19.0.0.0.0 - Production on Tue Jan 11 15:28:24 2022 Version 19.3.0.0.0 Copyright (c) 1982, 2019, Oracle. All rights reserved. Connected to: Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 - Production Version 19.3.0.0.0 SQL> show parameter local_listener NAME TYPE ------------------------------------ ---------------------- VALUE ------------------------------ local_listener string LISTENER_PROD SQL> Alter system set local_listener='PROD'; System altered. SQL>
重启监听
[oracle@dbserver admin]$ lsnrctl stop [oracle@dbserver admin]$ lsnrctl start [oracle@dbserver admin]$ lsnrctl status LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 11-JAN-2022 15:43:43 Copyright (c) 1991, 2019, Oracle. All rights reserved. Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=dbserver)(PORT=1521))) STATUS of the LISTENER ------------------------ Alias LISTENER Version TNSLSNR for Linux: Version 19.0.0.0.0 - Production Start Date 11-JAN-2022 15:42:46 Uptime 0 days 0 hr. 0 min. 56 sec Trace Level off Security ON: Local OS Authentication SNMP OFF Listener Parameter File /u01/app/oracle/product/19c/dbhome_1/network/admin/listener.ora Listener Log File /u01/app/oracle/diag/tnslsnr/dbserver/listener/alert/log.xml Listening Endpoints Summary... (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=dbserver)(PORT=1521))) (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521))) Services Summary... Service "prod" has 1 instance(s). Instance "prod", status READY, has 1 handler(s) for this service... Service "prodXDB" has 1 instance(s). Instance "prod", status READY, has 1 handler(s) for this service... The command completed successfully