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unable to connect to sqlplus as sysdba

Posted on 2011-02-24
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Last Modified: 2012-05-11
Db's are up and running but after setting env and sqlplus / as sysdba i am getting following error.

Its a rac, able to login to sqlplus on other nodes. only problem on primary node.

sun 5.10


SQL*Plus: Release 11.1.0.7.0 - Production on

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ERROR:
ORA-12534: TNS:operation not supported


Enter user-name:
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Question by:Dba_Oracledb
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Author Comment

by:Dba_Oracledb
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may be need to clean up smon process ??
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Expert Comment

by:ReliableDBA
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This is what it is saying.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
SQL> !oerr ora 12534
12534, 00000, "TNS:operation not supported"
// *Cause:  An internal function received a request to perform an
// operation that is not supported (on this machine).
// *Action:  Not normally visible to the user. For further details, turn
// on tracing and reexecute the operation. If error persists, contact
// Oracle Customer Support.
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

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Author Comment

by:Dba_Oracledb
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what should be done to solve it...?
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Expert Comment

by:ReliableDBA
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1. did you set your ORACLE_SID
2. after you set the ORACLE_SID, please issue "env | grep -i oracle_sid"
3. make sure that the SID was properly set
4. then try one more time connecting as "sqlplus / as sysdba"

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Author Comment

by:Dba_Oracledb
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did all those, i just created another user from second node and tried to connect using that new user from 1st node and its worked.

Only / as sysdba dba not working !!
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by:ReliableDBA
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Do you have wallet in this DB?
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Author Comment

by:Dba_Oracledb
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how to confirm it ?
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Author Comment

by:Dba_Oracledb
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yes i see wallet enabled


SQLNET.WALLET_OVERRIDE = TRUE
WALLET_LOCATION =
(SOURCE=
(METHOD = FILE)
(METHOD_DATA = (DIRECTORY=/home/user_name_XXX/wallet)
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Accepted Solution

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ReliableDBA earned 500 total points
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I'm wondering the failure is happening due to SQLNET.WALLET_OVERRIDE = TRUE.
For the sake of testing, is it possible for you to comment the above line and try?

(Ref: http://download.oracle.com/docs/cd/E11882_01/network.112/e16543/authentication.htm#DBSEG30253)
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by:Dba_Oracledb
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what does oracle wallet do exaclty, and what are consequences of disabling it...
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