All Oracle Error Codes
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Frequent Oracle Errors

TNS:could not resolve the connect identifier specified
Backtrace message unwound by exceptions
invalid identifier
PL/SQL compilation error
internal error
missing expression
table or view does not exist
end-of-file on communication channel
TNS:listener unknown in connect descriptor
insufficient privileges
PL/SQL: numeric or value error string
TNS:protocol adapter error
ORACLE not available
target host or object does not exist
invalid number
unable to allocate string bytes of shared memory
resource busy and acquire with NOWAIT specified
error occurred at recursive SQL level string
ORACLE initialization or shutdown in progress
archiver error. Connect internal only, until freed
snapshot too old
unable to extend temp segment by string in tablespace
Credential retrieval failed
missing or invalid option
invalid username/password; logon denied
unable to create INITIAL extent for segment
out of process memory when trying to allocate string bytes
shared memory realm does not exist
cannot insert NULL
TNS:unable to connect to destination
remote database not found ora-02019
exception encountered: core dump
inconsistent datatypes
no data found
TNS:operation timed out
PL/SQL: could not find program
existing state of packages has been discarded
maximum number of processes exceeded
error signaled in parallel query server
ORACLE instance terminated. Disconnection forced
TNS:packet writer failure
see ORA-12699
missing right parenthesis
name is already used by an existing object
cannot identify/lock data file
invalid file operation
quoted string not properly terminated

RE: ORA-27101: shared memory realm does not exist

Reidy, Ron


It means you DB is not started.

Ron Reidy
Lead DBA
Array BioPharma, Inc.

-----Original Message-----
From: oracle-l-bounce@(protected)
Sent: Thursday, January 27, 2005 2:58 PM
To: Paul Drake
Cc: Oracle-L
Subject: Re: ORA-27101: shared memory realm does not exist

That is a good link Paul.

ORA-27101: shared memory realm does not exist
  Cause: Unable to locate shared memory realm
  Action: Verify that the realm is accessible

What does this means? What do they mean by realm?
How to see that whether it is accessible or not?

- Chirag=20

On Thu, 27 Jan 2005 16:49:40 -0500, Paul Drake <bdbafh@(protected):
> > What is the route cause
> Its caused by not spending enough time here:
> http://otn.oracle.com/pls/db10g/portal.portal_demo3?selected=3D1
> start with the Concepts manual.
> -bdbafh
> On Fri, 28 Jan 2005 03:12:24 +0530, Chirag DBA <chiragdba@(protected)> =
> > Hi Guys,
> > What is this problem of?
> >
> > Some says that is due to wrong oracle home and some says comment the
> > entry in SQLNET.ORA?
> >
> > What is the route cause for that n what is the solution?
> >
> > - Chirag
> > --

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