[Bioc-devel] help with Win10 TLS problem?

[Neumann, Steffen]

Hi,

can you get me the URL that wants to be downloaded ? 

The "tlsv1 alert protocol version" indicates that the proper 
solution might be to notify the server to reconfigure 
the web server supported TLS versions. 

Yours,
Steffen


On Wed, 2020-03-18 at 19:55 +0100, Egon Willighagen wrote:
> Hi all,
> 
> in the BridgeDbR package I have a TSL issue, just on Windows10 [0]:
> 
> > location <- getDatabase("Bacillus subtilis")
> 
> Error in function (type, msg, asError = TRUE)  :
>   error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert
> protocol version
> Calls: getDatabase ... getBridgeNames -> curlPerform -> <Anonymous>
> -> fun
> Execution halted
> 
> This method is using the download.file() method (see [1]). I am not
> sure
> what this method uses by default. I have been googling and found a
> number
> of suggestions on how to get RCurl to use other SSL version, such as:
> 
> CURL_SSLVERSION_TLSv1_2 <- 1Lopts <- RCurl::curlOptions(  verbose =
> TRUE, sslversion = CURL_SSLVERSION_TLSv1_2)download.file(url, file,
> mode = "wb", .opts=opts)
> 
> 
> But I haven't found something that works. Error messages are very
> cryptic,
> and I'm running out of ideas.
> 
> Does someone have a suggestion how to debug this? Maybe even have a
> solution?
> 
> All feedback is very much appreciated!
> 
> Egon
> 
> 
> 
> 0.
> 
https://bioconductor.org/checkResults/release/bioc-LATEST/BridgeDbR/tokay1-checksrc.html
> 1.
> https://github.com/bridgedb/BridgeDbR/blob/master/R/getDatabase.R#L23
> 
> 
> 
-- 

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* Computational Metabolomics PhD Position @ IPB
  
https://www.ipb-halle.de/en/career/job-vacancies/joboffer-detail/wissenschaftlichen-mitarbeiterin-doktorandin-bioinformatikmetabolomics-mwd/
 

* PSI Spring Meeting Online, 23.-25.03.2020, 
  http://www.psidev.info/hupo-psi-meeting-2020

* Annual symposium of German Society for Metabolomics e.V. (DGMet)
  in Berlin 4.-5th November. https://www.mdc-berlin.de/dgmet-2020


---
IPB Halle                    Bioinformatics and Scientific Data
Dr. Steffen Neumann          http://www.IPB-Halle.DE
Weinberg 3                   Tel. +49 (0) 345 5582 - 1470
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