My only guess is that this is some sort of network/proxy issue.

Michael

On Wed, May 25, 2011 at 8:31 AM, Tim Smith <tim_smith_666@yahoo.com> wrote:

> Hi,
>
> I was trying to get started with rtracklayer. I tried to start a browser
> session
> but get an error ("Failed to obtain 'hguid' cookie"). The code and
> sessionInfo
> is:
>
> ===============================
> > library(rtracklayer)
> > library(IRanges)
> > session <- browserSession()
> Error in .local(.Object, ...) : Failed to obtain 'hguid' cookie
> > session <- browserSession("UCSC")
> Error in .local(.Object, ...) : Failed to obtain 'hguid' cookie
> > sessionInfo()
> R version 2.11.1 (2010-05-31)
> x86_64-apple-darwin9.8.0
>
> locale:
> [1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
>  [1] vsn_3.16.0           microRNA_1.6.1       limma_3.4.4
> genefilter_1.30.0
>
>  [5] humanStemCell_0.2.3  hgu133plus2.db_2.4.1 org.Hs.eg.db_2.4.1
> RSQLite_0.9-1
>
>  [9] DBI_0.2-5            AnnotationDbi_1.10.1 Biobase_2.8.0
> nlme_3.1-96
>
> [13] IRanges_1.6.17       rtracklayer_1.8.1    RCurl_1.4-2
> bitops_1.0-4.1
>
>
> loaded via a namespace (and not attached):
>  [1] affy_1.26.1           affyio_1.16.0         annotate_1.26.1
> Biostrings_2.16.9
>
>  [5] BSgenome_1.16.5       GenomicRanges_1.0.9   grid_2.11.1
> lattice_0.18-8
>
>  [9] preprocessCore_1.10.0 splines_2.11.1        survival_2.35-8
> tools_2.11.1
>
> [13] XML_3.1-0             xtable_1.5-6
> ====================================
>
> Do I need to set some other parameters before I can use this?
>
> thanks!
>
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>
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