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

[Chris G <cl@xxxxxxxx>]

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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