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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
ORA-12560

ORA-12560

2004-08-24       - By Fahd Mirza
Reply:     1     2     3     4     5     6     7     8     9     10     >>  

Hi Listers,
Its an emergency please. I am experiencing a strange and baffling situation.I am running Oracle 8.1.6 on WIN2K. When in shell, I write svrmgrl, I get an error.
svrmgrl > ORA-12560 (See ORA-12560.ora-code.com)-TNS PROTOCOL ADAPTER ERROR

I have also turned on tracing on listener and sqlnet, but I am unable to identify the error.

I am also running Names server on the same machine, which allows users to not only connect to the databases on this machine but also to other databases on other machines. Names Server is running fine. But most of the users are complaining that they lost their connection after some time and they have to relogin again.

Please give me some lights. Waiting anxiously.
thanks.
regards,
Fahd

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