Oracle 11g and 12c on same windows machine, 12c listener fails to start

问题

I have a windows machine with Oracle 11g already installed on it and ORACLE_HOME pointing to the home of 11g. I then tried installing 12c. While installing, the installer asked me to unset the environment variable and re-run the installer. I did that. Then the installation worked fine. Just one hiccup was when the installer went on for net configuarion, it failed. I did a 'retry' and it completed successfully. When the installation was completely done, I found that the oracle database service for 12c was running, but listener was not. I tried starting the service and got a message saying 'it started and stopped'. I then searched all around the net and found various advises. Tried lot of them but not able to get the listener running.

The current state is, my ORACLE_HOME is set to the 12c home. and when do lsnrctl start, I'm getting this error..

C:\Users\Administrator>lsnrctl start
LSNRCTL for 64-bit Windows: Version 12.1.0.1.0 - Production on 11-JUN-2014 02:00:42
Copyright (c) 1991, 2013, Oracle.  All rights reserved.
Starting tnslsnr: please wait...
Failed to start service, error 0.
TNS-12560: TNS:protocol adapter error

What an I doing wrong?

Here's listener.ora...

SID_LIST_LISTENER =
  (SID_LIST =
    (SID_DESC =
      (SID_NAME = CLRExtProc)
      (ORACLE_HOME = D:\app\Administrator\product\12.1.0\dbhome_1)
      (PROGRAM = extproc)
      (ENVS = "EXTPROC_DLLS=ONLY:D:\app\Administrator\product\12.1.0\dbhome_1\bin\oraclr12.dll")
    )
  )


LISTENER =
  (DESCRIPTION_LIST =
    (DESCRIPTION =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1522))
      (ADDRESS = (PROTOCOL = TCP)(HOST = <hostname.domain.com>)(PORT = 1522))
    )
  )

and here's tnsnames.ora...

MY12C =
  (DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = <hostname.domain.com>)(PORT = 1522))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = MY12C)
    )
  )


ORACLR_CONNECTION_DATA =
  (DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC))
    )
    (CONNECT_DATA =
      (SID = CLRExtProc)
      (PRESENTATION = RO)
    )
  )

回答1:

Please try to check weather old listener of oracle 11G is currently running or not.

run netca from oracle 12C and then create listener with different name and different port from oralce 11G.

来源：https://stackoverflow.com/questions/24157916/oracle-11g-and-12c-on-same-windows-machine-12c-listener-fails-to-start

标签

Oracle

listener

oracle12c