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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
client connect to 10g instance

client connect to 10g instance

2005-06-23       - By Paul Drake
Reply:     1     2     3     4     5  

On 6/23/05, Joe Smith <joe_dba@(protected)> wrote:
> Is this right or has something changed in 10g (10.1.0.3.0).  This is on
> RHEL4 x86_64.
>
> I am consisting getting an:
>
> ora-12535 (See ora-12535.ora-code.com) tns: operation timed out
>
> when trying to connect from my client windows machine to the Linux server
> with 10g Ent ed.

I've been seeing alot of that lately.
Is there NAT involved between the client and server?
Does the oracle server have multiple network interfaces?

Typically, a 12535 occurs after the redirect is sent to the client.
The client can tnsping the listener, but never connects to the
dedicated server process that has been spawned for it.

hth.

Paul
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