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[Bioc-devel] Failing to build vignette because of problems with ImageMagick

On 9/11/19 00:50, Vincent Carey wrote:
Not sure what's going on. A few observations:

a) About 500 software packages use fig=TRUE.

b) The convert warning is just a warning. The actual error in the case 
of BiocOncoTK is:

   Error: processing vignette 'BiocOncoTK.Rmd' failed with diagnostics:
argument is of length zero

   Note that the ndexr vignette also fails with this error on tokay1 
only but it doesn't have the convert warning (this vignette does not use 
'fig' at all). So it's not clear to me that the "argument is of length 
zero" error is related to the convert warning.

c) The devel build report shows the convert warning for 4 other packages 
(CAGEfightR, CATALYST, CTDquerier, specL) but each of them actually 
fails with a different error message:

   CAGEfightR:
     colData(object1) not identical to colData(object2)

   CATALYST:
     no slot of name "reducedDims" for this object of class "daFrame"

   CTDquerier:
     bfcadd() failed; see warnings()

   specL:
     pandoc.exe: Out of memory

   These errors don't seem related to the convert warning either.

So I'm wondering: could it be that the convert warning is actually 
common but we generally don't see it because 'R CMD build' doesn't 
report warnings? And that we just happen to see the warning when 'R CMD 
build' fails to build a vignette.

We'll investigate more.

H.