12C 启用客户端通过SID 连接PDB，防止ORA-12545

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APPLIES TO:Oracle Net Services - Version 12.1.0.1 and later

Information in this document applies to any platform.

SYMPTOMS

 Client connection string uses SID to connect to TEST database .For example :

net12c =
  (DESCRIPTION =
    (ADDRESS=(protocol = tcp)(HOST=test.oracle.com)(port = 1521))
    (CONNECT_DATA=(SERVER=DEDICATED)(SID = TEST))
)

The TEST database is changed to a pluggable database and client connection fais with ORA-12505.

 C:\Users\test>sqlplus sys/test_12c@net12c as sysdba

SQL*Plus: Release 12.1.0.1.0 Production on Wed Apr 16 18:15:25 2014
Copyright (c) 1982, 2013, Oracle.  All rights reserved.
ERROR:
ORA-12505: TNS:listener does not currently know of SID given in connect
descriptor

CHANGES

 The TEST database is now a PDB. Connections to a pluggable database use service name .

CAUSE

PDB is not an instance, so using SID in the connection string will not work unless the following listener.ora file
setting is in place:  USE_SID_AS_SERVICE_listener name=ON

When the database is an Oracle Database 12c container database, the client must specify a service name in order to connect to it. 

Listener status shows TEST as only a service :

SOLUTION

Use USE_SID_AS_SERVICE_listener_name=on in listener.ora and restart the listener . This will enable the system identifier (SID) in the connect descriptor to be interpreted as a service name when a user attempts a database connection. Database clients with earlier releases of Oracle Database that have hard-coded connect descriptors can use this parameter to connect to a container or pluggable database.

Example of usage in listener.ora:

LISTENER= 
   (DESCRIPTION=
    (ADDRESS_LIST= (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
  )

USE_SID_AS_SERVICE_LISTENER=ON

The connection will work after this change:

C:\Users\test>sqlplus sys/test_12c@TNSNet12c as sysdba

SQL*Plus: Release 12.1.0.1.0 Production on Wed Apr 16 18:28:40 2014

Copyright (c) 1982, 2013, Oracle.  All rights reserved.
Connected to:
Oracle Database 12c Enterprise Edition Release 12.1.0.1.0 - 64bit Production
With the Partitioning, OLAP, Advanced Analytics and Real Application Testing opt
ions
SQL>

 OR

- Modify client connection string to use the actual PDB service name in the SID field :

TNSNet12c =
  (DESCRIPTION =
    (ADDRESS=(protocol = tcp)(HOST=test.oracle.com)(port = 1521))
    (CONNECT_DATA=(SERVER=DEDICATED)(SID = TEST))
  )

The listener will interpret the value for SID=TEST as SERVICE_NAME=TEST and allow the connection.

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12C 启用客户端通过SID 连接PDB，防止ORA-12545

标签：summary   bsp   test   instance   cdb   point   image   ref   1.0   

原文地址：https://www.cnblogs.com/cqdba/p/2816d957f7fe0e1eaddab830b9274b14.html