Cannot Connect As "/ as sysdba" ORA-27140 ORA-27300 ORA-27301 ORA-27302 And ORA-27303 In Trace File (Doc ID 453959.1)

Last updated on JULY 28, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.3 to 11.2.0.3 [Release 10.2 to 11.2]
Oracle Database - Enterprise Edition - Version 12.1.0.2 to 12.1.0.2 [Release 12.1]
Information in this document applies to any platform.



Symptoms

Connect " /as sysdba" is showing connected but failing when performing any query.

$ sqlplus "/as sysdba"

SQL*Plus: Release 10.2.0.3.0 - Production on Wed Aug 8 19:34:19 2007

Copyright (c) 1982, 2006, Oracle. All Rights Reserved.

Connected.
SQL> select * from v$instance;
select * from v$instance
*
ERROR at line 1:
ORA-01012: not logged on

Changes

gid of the $ORACLE_HOME/bin/oracle was changed when the database was running.

Cause

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms