[jcifs] WINS failover?

[Christopher R. Hertel]

On 07/12/2012 04:50 PM, Abraham Lin wrote:
> Hi,
> 
> I've run into some trouble while trying to configure jCIFS to fail over on a
> WINS error. The configuration I'm using looks something like this:
> 
>   Config.setProperty( "jcifs.smb.client.domain", "DOMAIN" );
>   Config.setProperty( "jcifs.netbios.wins", "123.123.123.123,234.234.234.234" );
>   Config.setProperty( "jcifs.netbios.retryTimeout", "5000" );
> 
> The first WINS server isn't behaving correctly and is sending back a
> response type of 0x0A with error code 0x03. However, the second server does
> work properly and responds appropriately to a Name Query.

What do you mean by a "response type of 0x0A"?

I believe that the error code you are listing is:

NAM_ERR (0x3):  	Name Error
The requested name does not exist in the selected name table(s).

> What I'm seeing is that NameServiceClient contacts the first WINS server
> multiple times (until the timeout expires), but never actually contacts the
> second. The problem is with the handling of the "timeout" parameter in
> "send:" on line 252 (version 1.3.17), the parameter value is overwritten,
> which prevents subsequent requests to other WINS servers when the first one
> fails (due to the guard on line 240). When I save the original parameter
> value and restore the value of "timeout" for each iteration of the outer
> while loop, the second server is contacted as expected.
> 
> Is this expected behavior? If it is, what would be the best way of handling
> this situation?
> 
> Thanks in advance!
> 
> -Abraham

-- 
"Implementing CIFS - the Common Internet FileSystem" ISBN: 013047116X
Samba Team -- http://www.samba.org/     -)-----   Christopher R. Hertel
jCIFS Team -- http://jcifs.samba.org/   -)-----   ubiqx development, uninq.
ubiqx Team -- http://www.ubiqx.org/     -)-----   crh at ubiqx.mn.org
OnLineBook -- http://ubiqx.org/cifs/    -)-----   crh at ubiqx.org