Several possibilities:

The host you specified in listener.ora does not exist or your machine is
unable 
to recognize it. That usually happens when hosts are known under many
nicknames
and, of course, the host recognizes only some of them.

You are trying to resolve  the hostname by using a name server
(/etc/nsswitch.conf) and
you don't have /etc/resolv.conf properly configured (at least "nameserver"
entry must
be configured).

So, figure out what's wrong with your network setup and put 127.0.0.1 in
listener.ora in 
the meantime. If that address is unreachable, then there is something
seriously wrong 
with your box. 

--
Mladen Gogala
Oracle DBA 



-----Original Message-----
Reddy, Madhusudana
Sent: Friday, August 15, 2003 2:14 PM
To: Multiple recipients of list ORACLE-L


Have you seen this before 

15-AUG-2003 12:10:34 *
(CONNECT_DATA=(SID=rtprod)(CID=(PROGRAM=dllhost.exe)(HOST=DS01IWEB)(USER=ser
vice_mts))) * (ADDRESS=(PROTOCOL=tcp)(HOST=172.16.12.10)(PORT=1672)) *
establish * rtprod * 12500
TNS-12500: TNS:listener failed to start a dedicated server process
 TNS-12545: Connect failed because target host or object does not exist
  TNS-12560: TNS:protocol adapter error
   TNS-00515: Connect failed because target host or object does not exist
    HPUX Error: 2: No such file or directory


I have already bounced the listener 3 times . Almost no help from ORACLE so
far . 

Madhu Reddy
X13944


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