I have also notices similar problems here. I'm running only one fetching thread
and the fetchg randomly stops for some reason. I once managed
to open the lock by restarting the apache server which the fetcher
was crawling, but that's just once :(

I also don't see any problems with dns queries, so your idea didn't work
here either. It's strance, because nutch should have a socket
timeout, which works in most cases, but not in these freezings.
I'm still looking and studying what could cause this.

 - Juho Mäkinen, http://www.juhonkoti.net

On 6/23/05, Sami Siren <[EMAIL PROTECTED]> wrote:
> I have experienced similar random freezing in fetcher but after setting
> up a local caching dns these problems went away.
> 
> At least in my case the problem was due to connectivity to (some) remote
> name servers. You can verify if this is your problem by doing something
> like netstat -na|grep ":53 " while you suspect to have a frozen fetch
> and look for connections that will not go away.
> 
> --
>   Sami Siren
> 
> [EMAIL PROTECTED] wrote:
> > Anyone experiencing freezes when fetching with 50 threads ?
> > If I use 5 threads everything is fine - if i raise it to 10
> > it freezes and random times when fetching a segment.
> >
> > Any ideas?
> > _____________________________________________________________________
> > For super low premiums, click here http://www.dialdirect.co.za/quote
> >
> 
>


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