Thank you Uwe ! "R-2.13.0 patched" did indeed solve my issue and the package "snow" is working again fine ... Best, Val?re -----Urspr?ngliche Nachricht----- Von: Uwe Ligges [mailto:ligges at statistik.tu-dortmund.de] Gesendet: Montag, 27. Juni 2011 11:47 An: Martin Valere Cc: r-help at r-project.org Betreff: Re: [R] Package Snow 0.3-5 hangs on windows 7 Please try R-2.13.0 patched with the most recent snow. We found a bug in R that has been fixed in the meantime. Best, Uwe Ligges On 27.06.2011 10:46, Martin Valere wrote:> Good morning, > > I was using the packages snow 0.3-3 and snowfall 1.84 with R.10.1 : it > is working great ! (Windows 7) > > Since I have tried to update my R version (Windows 7). I cannot make the packages snow and snowfall works for parallel processing. I have tried the following version combinations: > > Snowfall 1.84& snow 0.3-5 with R version 2.12.1 / 2.12.2 / 2.13.0 > Snowfall 1.84& snow 0.3-3 with R version 2.13.0 > > With the following code > > Library(snow) > Library(snowfall) > sfInit(parallel=TRUE, cpus=7) > > and the system is hanging ... > > R-2.13.0 has been installed in folder C:/R/R.-2.13.0 (and not in folder c:/Program Files or C:/Programme on this computer) --> no symbolic link or blank space issue in path name. > > I have tried the code "Sock.r" (posted on the 16 May 2011 on this list by Uwe Ligges, although my guess is that it has been integrated in the version 0.3-5 of snow ...). Without success. > > On the command line (i.e. without RGui), trying first sfInit() (works > fine ) and sfInit(parallel=TRUE, cpus=7), I got the following error > message ... (R-2.13.0) > >> sfInit() > snowfall 1.84 initialized: sequential execution, one CPU. > >> sfStop() >> sfInit(parallel=TRUE,cpus=7) > Error in socketConnection(port = port, server = TRUE, blocking = TRUE, > cannot open the connection > In addition: Warning message: > In socketConnection(port = port, server = TRUE, blocking = TRUE, : > port 10187 cannot be opened > Error in sfInit(parallel = TRUE, cpus = 7) : > Starting of snow cluster failed! Error in socketConnection(port = > po , : > cannot open the connection > Error in socketConnection(port = port, server = TRUE, blocking = TRUE > cannot open the connection > > > Any suggestions ? > > Thanks for any help, > > Val?re > > ______________________________________________ > R-help at r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code.