All Oracle Error Codes
Oracle DBA Forum

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


Rhojel Echano


Hi everyone,
I got this error when I tried to open read only our standby database:
(from a 10046 trace)
ORA-00604: error occurred at recursive SQL level 1
ORA-00372: file 1 cannot be modified at this time
ORA-01110: data file 1: 'F:\XPCWEB\DB\DATA\TBS_SYSTEM_01.DBF'

(from alert log)
ORA-01092: ORACLE instance terminated. Disconnection forced

I saw documents that describe workarounds for this but mostly on primary
Standby is a different case, apparently.
I've scoured Metalink for an answer and I saw this forum in which an
Oracle support
personnel tried to point a customer to Note 222460.1 but it doesn't seem to exist.
(the customer in that forum also informed the Support personnel that he
can't find
the said Note).

Anyone experienced this in the past? I would appreciate any help.

Rhojel Echano

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