[Bioc-devel] package build : Warning: 'rgl_init' failed, running with rgl.useNULL = TRUE

Diana LOW (IMCB) dlow at imcb.a-star.edu.sg
Mon Feb 29 06:25:43 CET 2016


I've been getting this error on package build (morelia), and it appears as a warning on the zin2 check.

Warning in rgl.init(initValue, onlyNULL) :

  RGL: unable to open X11 display

Warning: 'rgl_init' failed, running with rgl.useNULL = TRUE

I am also getting occasional errors like this
Warning in (if (grepl("\\.[Rr]md$", file)) knit2html else if (grepl("\\.[Rr]rst$",  :
  It seems you should call rmarkdown::render() instead of knitr::knit2html() because confess-vignette.Rmd appears to be an R Markdown v2 document.
Quitting from lines 2-18 (confess-vignette.Rmd)
Error: processing vignette 'confess-vignette.Rmd' failed with diagnostics:
could not find function "doc_date"


Any advice on how to deal with this? I cannot replicate the error/warnings when I build/check/BiocCheck on my system.


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