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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: ODP.NET - Weird Behaviour

Mladen Gogala

2006-03-25

Replies:

On 03/24/2006 03:01:15 PM, Subbiah, Nagarajan wrote:
> Hi List,
>
> We have a VB .NET application which is using Oracle ODP.NET 9.2 version for
> the connectivity to the database. If the application is placed under the any
> folder name ends with ')', it crashes.
>

Raja, Oracle's network layer has a built in parser which checks the syntax of
the tnsnames.ora file. Such parsers are usually based on lex and yacc (or flex
and bison in case of GPL-ed software) and one thing that they have to account for
are parenthesizes. My suspicion is that parenthesizes in the path name will somehow
confuse the parser which will read incorrect elements of the TNS descriptor and
prevent the network layer from finding the destination. May be you should put your
app in a directory with more standard name?
--
Mladen Gogala
http://www.mgogala.com

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