Re: JamVm - GNU Classpath and Cached DNS Resolving

Little remark: the exception that I'm getting is not 
UnknowAddressException but UnresolvedAddressException!

Jan Pannecoeck wrote:
> Hello Robert,
>
> I'm contacting you directly since I think you are the best men to 
> answer my question. But since other people may also could need this 
> information I'm also sending it to the classpath-mailinglist.
>
> I'm currently using JamVm 1.5.2 with Classpath 0.98 on an ARM-device. 
> This is, thanks to you by the way, all working properly...
> The problem I'm having now is the following:
>
> I launch my java-application at a moment when I don't have any 
> connection to the Internet, or the local network (so no cable is 
> pluged in). My application can't resolve the address to which it 
> should connect (this is all working fine). But when I plug in an 
> ethernetcable, under Linux I can ping to my server (I even can resolve 
> the name and all the rest without any problems), the Java application 
> is still telling me that it can't resolve the address : 
> UnknownAddressException.
>
> I have found some setting: 
> java.security.Security.setProperty("networkaddress.cache.ttl", "0") 
> that should disable the DNS-caching. But I assume this isn't working 
> since the DNS-caching is still there.
>
> Should I use some other setting to disable the DNS-caching in JamVM so 
> that when I plug in the cable, my Java-Application can resolve the 
> address?
>
> I hope my question is clear, otherwise I'm sure willing to give some 
> more details! :-)
>
> Thanks in advance,
> Jan Pannecoeck
>
>
>