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

Re: ora-12500 on windows

Paul Drake


--- Jeffrey Beckstrom <JBECKSTROM@(protected):
> mem usage

familiar territory.

on win32, the process memory limit is between 1.7 and
1.8 GB of virtual memory. what version of operating
system is the server running?

if it is w2k server, you're stuck. you must reduce
either the SGA or PGA memory allocations in order to
stay under the process limit.
if it is w2k advanced server, you can enable large
memory support, and carry up to a 3*10E9 (convert to
power of 2) memory allocated to a process.

if is is w2k3 server, you can enable large memory
certain versions of Oracle on win32 support large
memory, and some don't. does. and do not.

to reduce memory allocations, you might:
- check v$sgastat for free memory, and reduce the size
of the shared, large and java pools.
- reduce the buffer cache
- reduce sort_area_size, hash_area_size



> I would suspect they should be close to each other
> since currently mem usage is 1.1 g and vm size is
> 1.2 g.
> >>> tanel.poder.003@(protected) >>>
> > oracle.exe process was 1.4 G per task manager -
> well under the 2 G
> > limit.
> I've seen problems starting happen when about 1,5G
> of mem was allocated to
> oracle.exe... From which task manager column did you
> check the process size,
> from "mem usage" or from "vm size"?
> Tanel.
> > Swap space is set to max of 4 G
> > commit charge peak is 2.4 G
> > commit charge limit is 5.8 G
> > We should be well under the limits
> >
> > Jeffrey Beckstrom
> > Database Administrator
> > Greater Cleveland Regional Transit Authority
> > 1240 W. 6th Street
> > Cleveland, Ohio 44113
> >
> >

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