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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: UNDO poll - was undo segments vs. rbs

John Kanagaraj

2004-05-20

Replies:
Larry,

>  I haven't seen any, but don't UNDO 1555s get written to
>alert log
>now?
>
>!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
>This is no doubt dependent on environment. If we get ORa-1555,
>they're never reported to me.
>
>I don't manage RBS. I don't do anything with them, they seem
>to work fine as is.


1555s (and 4031 and 1652s as well) do not get automatically written into
alert log, as they are considered 'User errors' (for whatever clueless
reason!). You can enable that though by inserting the following 'event'
entries into your init.ora

event="1555 trace name errorstack level 3"
event="4031 trace name errorstack level 3"
event="1652 trace name processstate level 10"

Note though, that you will have to keep *all* event lines TOGETHER in the
init.ora lines, otherwise only the last ones will take effect. (Same problem
with multiple utl_file_dir lines!)

Hth,
John Kanagaraj <><
DB Soft Inc
Phone: 408-970-7002 (W)

Disappointment is inevitable, but Discouragement is optional!

** The opinions and facts contained in this message are entirely mine and do
not reflect those of my employer or customers **
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