I am new to oracle database, I have installed Oracle 11.g on redhat 5.6, I have a database that I can connect to it using the following command:
export ORACLE_SID=test
sqlplus user/passwd
but not connect to database neither remotely nor from localhost: sqlplus user/passwd@myhost:1521/test error: ORA-12541: TNS: no listener
this is my listener.ora file:
# listener.ora Network Configuration File:
/Oracle/oracle_base/product/11.2.0.4/database/network/admin/listener.ora
# Generated by Oracle configuration tools.
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1522))
(ADDRESS = (PROTOCOL = TCP)(HOST = myhost)(PORT = 1522))
)
)
ADR_BASE_LISTENER = /Oracle/oracle_base
this inside tnsnames.ora file:
test =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = myhost)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = test)
)
)
and this is output of lsnrctl status is:
LSNRCTL for Linux: Version 11.2.0.4.0 - Production on 16-JAN-2017
15:57:02
Copyright (c) 1991, 2013, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1522)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date 16-JAN-2017 15:45:32
Uptime 0 days 0 hr. 11 min. 30 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /Oracle/oracle_base/product/11.2.0.4/database/network/admin/listener.ora
Listener Log File /Oracle/oracle_base/diag/tnslsnr/myhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1522)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=myhost)(PORT=1522)))
The listener supports no services
The command completed successfully
and this is output of tnsping test:
oracle> tnsping test
TNS Ping Utility for Linux: Version 11.2.0.4.0 - Production on 16-JAN-2017 16:00:45
Copyright (c) 1997, 2013, Oracle. All rights reserved.
Used parameter files:
/Oracle/oracle_base/product/11.2.0.4/database/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = myhost)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = test)))
TNS-12541: TNS:no listener