Home » RDBMS Server » Networking and Gateways » ORA-12641 (instantclient_21_1 Linux kerberos)
ORA-12641 [message #685244] Mon, 22 November 2021 09:02
quirks
Messages: 82
Registered: October 2014
Member
Hello,

I'm trying to connect from a redhat linux to an oracle database via kerberos authentification.
I can obtain a valid kerberos ticket via (I've replaced the credentials with placeholders for privacy reasons)
$ echo -n '<password>' | kinit <user> 
$ klist
Ticket cache: FILE:/tmp/krb5cc_1021_dTZKCn
Default principal: <user>

Valid starting       Expires              Service principal
11/22/2021 15:44:36  11/23/2021 01:44:36  krbtgt/foo@bar.com
        renew until 11/29/2021 15:44:33
But when I try to connect to the database I get:
$ echo -n '<password>' | kinit <user>  && sqlplus /@<databasehost>:1550/<servicename>
Password for <user>:

SQL*Plus: Release 21.0.0.0.0 - Production on Mon Nov 22 15:48:07 2021
Version 21.1.0.0.0

Copyright (c) 1982, 2020, Oracle.  All rights reserved.

ERROR:
ORA-12641: Authentication service failed to initialize


Enter user-name:
When I try to connect from my Windows client where I'm logged in with the same account I can connect.
C:\>sqlplus /@<databasehost>:1550/<servicename>
SQLcl: Release 21.2 Production on Mon Nov 22 15:50:10 2021

Copyright (c) 1982, 2020, Oracle.  All rights reserved.

Last Successful login time: Mon Nov 22 2021 13:52:14 +01:00

Connected to: Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Advanced Analytics
and Real Application Testing options

SQL>
I've no clue how to tackle this problem, and I'm quite new to setting up an oracle insta client on linux. Please help me to debug this issue.
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