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Re: ORA-12545 Connect failed because target host or object does not exist

From: Frank <fvanbortel_at_netscape.net>
Date: Sun, 18 May 2003 20:29:42 +0200
Message-ID: <3EC7D116.5000107@netscape.net>


Antoine BRUNEL wrote:
> hi from Paris
>
> and I think that "vous êtes en train de vous masturber la tête...."
>
>
> This error is common when using MTS option. Why ??? because the
> MTS_DISPATCHER parameter specify the address of the dispatcher, that the
> last one is returning to the client while trying to connect.
>
> in any case, a 'sqlnet.log' file will be generated at the current directory,
> wich contains useful informations
>
>
>
>
> "Frank" <fvanbortel_at_netscape.net> a écrit dans le message de
> news:3EC3E841.2090107_at_netscape.net...
>

>>Karsten Farrell wrote:
>>
>>>bronke_at_gmx.de said...
>>>
>>>
>>>>"> http://asktom.oracle.com/pls/ask/f?p=4950:8:1090762::NO::F4950_P8
>>>>
>>>>
>>>>>_DISPLAYID,F4950_P8_CRITERIA:689224851078,
>>>>>
>>>>
>>>>Okay this I have to read
>>>>
>>>>
>>>>
>>>>>What search order do you have specified in your sqlnet.ora file for the
>>>>>NAMES.DIRECTORY_PATH entry? If you specify TNSNAMES, what does the
>>>>>applicable tnanames.ora entry contain? If you specify HOSTNAME, what do
>>>>>you get if you type 'hostname' on your target (Win2k PC) in a DOS
>>>>>window? What result do you get if you ping, tnsping and nslookup the
>>>>

> IP?
>
>>>>
>>>>NAMES.DIRECTOY_PATH keeps TNSNAMES first. With all other machines it
>>>

> works
>
>>>>fine. I can do ping and a tnsping to the misfailure pc but I cannot
>>>

> connect.
>
>>>>The Database is running, connecting from the machine to the database
>>>

> also
>
>>>>works fine.
>>>>
>>>>So it look like to be a TCP/IP problem?
>>>>
>>>>Regards Nicolas
>>>>
>>>>
>>>
>>>Yes, it's DEFINITELY a tcp/ip problem ... or, more precisely, a network
>>>problem! The trouble with that statement is that the network world is a
>>>very BIG world and tracking down network problems can frustrate even
>>>those who deal with it every working day. Fortunately, I don't have to
>>>regularly.
>>>
>>>Does your listener.log file tell you anything (unlikely, but worth a
>>>look). If you have a limited number of connections (too many will
>>>overwhelm you with trace files), you can always turn on listener tracing
>>>to see if that gives you more info. Turn on listener tracing by adding
>>>the following to your listener.ora file (first two params will limit
>>>number/size):
>>>
>>>  # Limit 5 trace files, each 1000k size. Cycle thru them.
>>>  trace_fileno_listener = 5
>>>  trace_filelen_listener = 1000
>>>  trace_level_listener = admin
>>>
>>>I'm going home soon, so hopefully someone else can pick up where I leave
>>>off.
>>
>>The HOST does not exist. Somewhere in your tnsnames (if you use that)
>>there's a line that states: host = xxx.domain.com.
>>I have seen networks (yes, in the company I work for), that could not
>>correctlty resolve the fully qualified host name, but did OK with the
>>short name (that is, just the xxx part above).
>>Give it a try, or use the ip-address (which I do not prefer...)
>>
>>And - last but not least - check for typos...
>>-- 
>>Regards, Frank van Bortel
>>

>
>
>

Et alors, ca va pas, hein?!?

-- 
Regards, Frank van Bortel
Received on Sun May 18 2003 - 13:29:42 CDT

Original text of this message

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