Try downloading the zip file using the browser interface to see if it might be something with your proxy. Do this outside of R to see if you have the same problem. After that, you can just install from a local zip file.
On Mon, Sep 17, 2012 at 5:21 AM, Ian Shannon <ian.shan...@environment.nsw.gov.au> wrote: > Hi there, > > I have had a problem with loading the package XLConnectJars_0.2-0.zip from > the CRAN mirrors. The problem occurs when executing > utils:::menuInstallPkgs() > I have traced the problem down to the "download" internal command. It > appears that files over approx 15 MB are being truncated. The exact point of > truncation varies slightly but the truncation is on a 4096-byte boundary. > > I am running => > > > R version 2.15.1 (2012-06-22) -- "Roasted Marshmallows" > Copyright (C) 2012 The R Foundation for Statistical Computing > ISBN 3-900051-07-0 > Platform: i386-pc-mingw32/i386 (32-bit) > > I have also run the code using the -- vanilla start-up parameter with no > change in outcome. > > I am using "internet2" to get past our proxy server. I have isolated the > problem using the following script > derived from a code fragment called by the menuInstallPkgs() function. > > options(timeout = 120) makes no difference because the failure occurs > before the timeout of 60 (or 120) seconds elapses. > > > ## sample R code sequence to reproduce error > setInternet2(TRUE); > url <- "http://cran.csiro.au/bin/windows/contrib/2.15/"; > dir <- "U:\\"; > > ## This download being reasonable small works OK > file <- "XLConnect_0.2-1.zip"; > status <- .Internal(download(paste0(url, file), paste0(dir, file), > quiet=FALSE, mode="wb", cacheOK=FALSE)); > cat(paste("the value of status for", file, "is", status, "\n\n")); > > > ## This big download fails - a progress indicator quickly progresses to 99% > and stops > file <- "XLConnectJars_0.2-0.zip"; > status <- .Internal(download(paste0(url, file), paste0(dir, file), > quiet=FALSE, mode="wb", cacheOK=FALSE)); > cat(paste("the value of status for", file, "is", status, "\n\n")); > > > > This produces the following output - > > > trying URL 'http://cran.csiro.au/bin/windows/contrib/2.15/XLConnect_0.2-1.zip' > Content type 'application/zip' length 1358587 bytes (1.3 Mb) > opened URL > downloaded 1.3 Mb > > the value of status for XLConnect_0.2-1.zip is 0 > > trying URL > 'http://cran.csiro.au/bin/windows/contrib/2.15/XLConnectJars_0.2-0.zip' > Content type 'application/zip' length 16486857 bytes (15.7 Mb) > opened URL > downloaded 15.6 Mb > > the value of status for XLConnectJars_0.2-0.zip is 0 > > Warning message: > In eval(expr, envir, enclos) : > downloaded length 16355328 != reported length 16486857 >> > > > > Any suggestions on what is needed to get this going? > > Thanks, > > > Ian > Ian Shannon > Landscape Modelling & Decision Support > Scientific Services > Office of Environment and Heritage > Department of Premier and Cabinet > PO Box A290 > Sydney South > NSW 1232 > +61 2 99 955 490 > Ian dot Shannon at Environment dot nsw dot gov dot au > ---------------------------------------------------------------------------------------------------------------------------------------------------------------------- > This email is intended for the addressee(s) named and may contain > confidential and/or privileged information. > If you are not the intended recipient, please notify the sender and then > delete it immediately. > Any views expressed in this email are those of the individual sender except > where the sender expressly and with authority states them to be the views of > the Office of Environment and Heritage, NSW Department of Premier and Cabinet. > > PLEASE CONSIDER THE ENVIRONMENT BEFORE PRINTING THIS EMAIL > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@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. -- Jim Holtman Data Munger Guru What is the problem that you are trying to solve? Tell me what you want to do, not how you want to do it. ______________________________________________ R-help@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.