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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: [suse-oracle] ORA-12545: Connect failed because target host or
object does not   exist

Beat Huber

2006-09-08

Replies:
Hello Robert

We had this error by not configuring the local_listener in the spfile.
What happens: If the listener initiates a failover to the second node, because it is not serving the required service the domain name is not provided to the client. When you configure load_balance=yes in your tns_names string this ends in a intermittent problem behaviour. As long as yous tay in the same dns domain no problem. When you define a local_listener the domain will as well be provided.
2'nd Workaround: insert the VIP IP as alias into your dns that every client in your network can access the vip without domain.

Regards Beat

-------- Original-Nachricht --------
Datum: Fri, 8 Sep 2006 12:36:09 +0200
Von: "Robert Scheckle" <RobertS@(protected)>
An: suse-oracle@(protected)
Betreff: [suse-oracle] ORA-12545: Connect failed because target host or object does not   exist

> Hi All;
>
>
>
> I have setup my 2 node 10GR2 Cluster.
>
>
>
> I get the following intermittent error when connection from a Linux
> client server.
>
>
>
> Program stopped at 'mem_info.4gl', line number 211.
>
> SQL statement error number -6372 (-12545).
>
> ORA-12545: Connect failed because target host or object does not exist
>
>
>
> This intermittent error also occurs when using sqlplus from the same
> client.
>
>
>
> I have not had this error on my windows client.
>
>
>
> The Linux client tnsnames file looks like this.
>
>
>
> ORAADMIN =
>
>  (DESCRIPTION =
>
>   (ADDRESS = (PROTOCOL = TCP)(HOST = oradbn1-vip.mxgroup.co.za)(PORT =
> 1521))
>
>   (ADDRESS = (PROTOCOL = TCP)(HOST = oradbn2-vip.mxgroup.co.za)(PORT =
> 1521))
>
>   (LOAD_BALANCE = yes)
>
>   (CONNECT_DATA =
>
>     (SERVER = DEDICATED)
>
>     (SERVICE_NAME = oraadmin.mxgroup.co.za)
>
>   )
>
>  )
>
>
>
> Where do I start looking?
>
>
>
> Robert Scheckle
>
> Database Administrator
>
>
>
> AgilityTechnologies                  
> Tel: (012) 673 8595      
> Email: roberts@(protected)  
>
> The information on this e-mail is confidential and is legally
> privileged. This e-mail is intended solely for the addressee. Access to
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>
> The views expressed in this document are the views of the individual
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>
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>
>
> >
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