[R] RSXML - Parsing XML Documents on Internet

[larsenmtl@comcast.net]

Professors Ripley and Lang,

Thanks.  Your fix was dead-on, setting the env var http_proxy solved my problem.

Mark


> Sorry, my flaky connection (I am on a slow dialup) broke this up: here's 
> the rest.
> 
> On Thu, 30 Sep 2004, Prof Brian Ripley wrote:
> 
> > On Wed, 29 Sep 2004 larsenmtl at comcast.net wrote:
> 
> [...]
> 
> > > Now I know that xmlTreeParse uses the libxml facilities for downloading and 
> > > parsing off the web.   Along with one of our network people, I did some 
> packet 
> > > sniffing and it looks like libxml doesn't go through our proxy server (it 
> tries 
> > > to directly connect to the above URL), which is the reason for the error.  
> Is 
> > > there anyway to force it through the proxy?  Am I missing some setting or 
> > > option?  If I download the xml file and parse it locally it works without 
> error.
> > > 
> > > Please Note that the URL is valid and I can open it in my browser.  Also 
> note 
> > > that I must start R with the --internet2 option so it'll use our proxy 
> server.  
> > 
> > That's your problem.  You *can* use proxies without --internet2 (see 
> > ?download.file) and the XML code uses the standard version of the code.
> 
> The first issue is that you have not configured R to use your proxy, so 
> please get that working.
> 
> Issue two is that you may need to get an older version of XML compiled 
> against an older libxml, as the current one has not been tested.
> 
> -- 
> Brian D. Ripley,                  ripley at stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,             Tel:  +44 1865 272861 (self)
> 1 South Parks Road,                     +44 1865 272866 (PA)
> Oxford OX1 3TG, UK                Fax:  +44 1865 272595
>