[R] error messages on R CMD check

[Uwe Ligges]

David Firth wrote:
> Dear Johannes
> 
> I have noticed the same complaint, and you are right that it can be 
> unconnected with faulty S3 methods, etc., in your package.
> 
> For example, in my "relimp" package (current version 0.9-1, new on CRAN 
> today) the DESCRIPTION file has
>   Suggests: tcltk
> and that works fine (ie it passes R CMD check).
> 
> But if I change that to
>   Depends: tcltk
> I get the same kind of errors that you got:
> 
> david% R CMD check relimp
> [...]
> * checking S3 generic/method consistency ... WARNING
> Error in .try_quietly({ : Error: package 'tcltk' could not be loaded
> Execution halted
> See section 'Generic functions and methods' of the 'Writing R Extensions'
> manual.
> * checking replacement functions ... WARNING
> Error in .try_quietly({ : Error: package 'tcltk' could not be loaded
> Execution halted
> In R, the argument of a replacement function which corresponds to the right
> hand side must be named 'value'.
> * checking foreign function calls ... WARNING
> Error in .try_quietly({ : Error: package 'tcltk' could not be loaded
> Execution halted
> See section 'System and foreign language interfaces' of the 'Writing R
> Extensions' manual.
> * checking Rd files ... OK
> * checking for missing documentation entries ... ERROR
> Error in .try_quietly({ : Error: package 'tcltk' could not be loaded
> 
> In this case it is because the calling environment for R CMD check did 
> not have the DISPLAY variable set, so tcltk could not be loaded.  If 
> instead I do
> 
> david% setenv DISPLAY :0
> david% R CMD check relimp
> 
> then all checks are passed.  This is with
> 
> david% R --version
> R 2.0.1 (2004-11-15).
> 
> This is not really an explanation of what you got, just a confirmation 
> that something here probably needs fixing (even if it's only the error 
> message).  Perhaps one of us should file a bug report (having checked 
> first that a fix is not already made in the latest development version)?


David, I disagree: In your case the error message clearly says that 
"'tcltk' could not be loaded", but you say your package depends on 'tcltk'.

In Johannes' case, the problem is different, because the error message 
is not that clear.
Johannes, can you install and load the package? Is the DESCRIPTION file 
correct? If so, you might want to send the package in a private message...

Uwe Ligges




> David
> 
> On 30 Mar, 2005, at 13:34, Johannes Hüsing wrote:
> 
>> Dear all,
>> I am trying to wrap up a package. On entering
>> R CMD check, I get the following error messages:
>>
>> [...]
>> * checking S3 generic/method consistency ... WARNING
>> Error in .try_quietly({ : Error in library(package, lib.loc = lib.loc,
>> character.only = TRUE, verbose = FALSE) :
>>     package/namespace load failed for 'resper'
>> Execution halted
>> See section 'Generic functions and methods' of the 'Writing R Extensions'
>> manual.
>> * checking replacement functions ... WARNING
>> Error in .try_quietly({ : Error in library(package, lib.loc = lib.loc,
>> character.only = TRUE, verbose = FALSE) :
>>     package/namespace load failed for 'resper'
>> Execution halted
>> In R, the argument of a replacement function which corresponds to the 
>> right
>> hand side must be named 'value'.
>> * checking foreign function calls ... WARNING
>> Error in .try_quietly({ : Error in library(package, lib.loc = lib.loc,
>> character.only = TRUE, verbose = FALSE) :
>>     package/namespace load failed for 'resper'
>> Execution halted
>> See section 'System and foreign language interfaces' of the 'Writing R
>> Extensions' manual.
>> * checking Rd files ... OK
>> * checking for missing documentation entries ... ERROR
>> Error in .try_quietly({ : Error in library(package, lib.loc = lib.loc,
>> character.only = TRUE, verbose = FALSE) :
>>
>> I am not getting these messages, nor their relation to
>> section 'Generic functions and methods' of the 'Writing
>> R Extensions' manual, as I did not write any generic methods
>> in my package.
>>
>> There has been some discussion of the error message around
>> Christmas 2003: 
>> http://maths.newcastle.edu.au/~rking/R/devel/03b/1438.html,
>> but I can't see how the circumstances described there apply to
>> my situation ("export a class name").
>>
>> Could somebody give me a clue on how to give my search a
>> direction?
>>
>> Greetings
>>
>>
>> Johannes
>>
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> 
> 
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