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[leafnode-list] Re: Why am I getting these bursts of errors?

On Fri, Jan 08, 2010 at 08:15:52PM +0100, Matthias Andree wrote:
> Am 08.01.2010, 17:05 Uhr, schrieb Chris G <cl@xxxxxxxx>:
> >OK, a bit of a vague question, I'll try and describe a little more.
> >
> >I'm using leafnode in an Ubuntu 9.10 system to collect news from three
> >NNTP servers.  Most of the time it works well but every so often I get
> >lots of errors which continue over several connection attempts.  For
> >example for the last few hours I have been getting lots of:-
> >
> >    error: NNTP server went away (server disconnect or timeout)
> >    error: news.eternal-september.org: received bogus greeting
> >(498): (nil)
> >    error: NNTP server went away (server disconnect or timeout)
> >    error: news.annexcafe.com: received bogus greeting (498): (nil)
> >    news.annexcafe.com: address list exhausted without
> >establishing connection.
> >    error: NNTP server went away (server disconnect or timeout)
> >    error: news.easysw.com: received bogus greeting (498): (nil)
> >    news.easysw.com: address list exhausted without establishing
> >connection.
> >    WARNING: some servers have not been queried!
> This is a server or network issue (rampant "firewall" or security
> devices/software sometimes, sometimes a missed reconfiguration of
> DNS resolver or domain name service software, sometimes in
> connection with DHCP issues) and nothing leafnode could do anything
> about.
> >... and also an error about not being able to obtain a lock.
> That means that a leafnode process (texpire, fetchnews) is already running.
So does leafnode continue even when it gets the lock failure?  It
would appear so because the "NNTP server went away" messages appear
just a second or two after the one about failing to get the lock.

> >Now, as far as I can see, all of the above NNTP servers are accessible
> >from my machine and it seems a bit unlikely that all of them would go
> >down at the same time anyway.
> "Accessible" by what means?
I can 'telnet <nntp server address> 119' and get a response.

> >So is there anything at my end that might cause this and take a while
> >to sort itself out?  E.g. any left over process or something like that?
> Unlikely.
> -- 
> Matthias Andree

Chris Green

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