[BioC] biomaRt error: useMart fails

[Steffen Durinck]

Hi Mick,

This should only happen when you do not have an internet connection or 
the Ensembl website goes down.  Make sure you are online and try again.

best,
Steffen

michael watson (IAH-C) wrote:
> Hi
>
> Sorry if this has been covered before, I did search the archives but I
> didn't find a solution.
>
> I'm using R 2.3.1 on windows and bioMart 1.6.0 (the BioC 1.8 release
> version)
>
>   
>> library(biomaRt)
>>     
> Loading required package: XML
> Loading required package: RCurl
> Warning message:
> use of NULL environment is deprecated 
>
>   
>> mart <- useMart("ensembl")
>>     
> Error in curlPerform(curl = curl, .opts = opts) : 
>         couldn't connect to host
>
>   
>> mart <- useMart("ensembl", dataset = "hsapiens_gene_ensembl")
>>     
> Error in curlPerform(curl = curl, .opts = opts) : 
>         couldn't connect to host
>
> I know some people have been getting this "couldn't connect to host"
> error before, but I didn't find a solution.
>
> Many thanks
>
> Mick
>
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