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: [suse-oracle] tnsnames.ora file missing

Uwe Schneider


Am 28.10.2005 12:35 schrieb dexter:
> Hello,
> I`ve installed Oracle 10g 10.2.0 Enterprise Edition on SUSE Enterprise
> Server 9. After, this I installed Compiere2. I tried to run program that
> will import data to database, but I encountered folloving error:
> ORA-12154: TNS:could not resolve the connect identifier specified
> On Google I found, it means problem with file "tnsnames.ora".
> My env. variable shows this location for this file:
> oracle@(protected)
> TNS_ADMIN=/opt/oracle/product/10.2.0/db_1/network/admin
> ,but file is not located there:
> oracle@(protected)
> samples shrept.lst
> ,but there:
> oracle@(protected)
> cman.ora listener.ora sqlnet.ora tnsnames.ora
> Folder ../samples sound like it is just for samples files. So my real
> tnsnames.ora is missig. Do somebody as idea, what can I do?

You could - for example - use netca to generate tnsnames.ora. Or you
adopt the sample file.

Normally TNS_ADMIN is not needed at all. Only if you want to overwrite
the location of the network configuratiin directory, which is


Uwe Schneider

Amalienbadstra?e 41 - D-76227 Karlsruhe
Tel. +49-721-94329-8320 - Fax +49-721-94329-22

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