[R] source and localhost

Hugo Mildenberger Hugo.Mildenberger at web.de
Sat May 21 10:19:44 CEST 2011


Thomas,

your example works with R-2.13.0 and Apache running on
Gentoo. You may try to use "http://127.0.0.1:5984/path/fn.R",
just to exclude that this problem has anything to do with 
name resolution.

Best

Hugo

> Dear List,
> 
> I have problems with the function source() using a
> url of the kind:
> 
> http://localhost:5984/path/fn.R
> 
> I receive
> 
> Fehler in file(file, "r", encoding = encoding) : 
>   kann Verbindung nicht öffnen
> Zusätzlich: Warnmeldung:
> In file(file, "r", encoding = encoding) :
>   Öffnen fehlgeschlagen: HTTP Status war '502 cannotconnect'
> 
> The url itself is ok since I can:
> - use a browser
> - use curl
> - use download.file() function
> - use getURL() (out of Duncans RCurl)
> 
> furthermore it works, when I use the full host + domain name.
> So I think it is about dns stuff. I get a nice:
> 
> > Sys.getenv("no_proxy")
> [1] "localhost, 127.0.0.1"
> 
> and work on 32bit opensuse 11.4 with 
> R version 2.13.0 (2011-04-13)
> 
> Can someone give me a hint?
> Best regards
> Thomas
> 
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