[R-SIG-Mac] Tcltk hangs when I invoke RCommander

[Hervé Pagès]

Hi James,

I had a similar problem recently on a freshly installed Leopard system.
After installing R 2.13.0 + tcltk binaries from CRAN (R-2.13.0.pkg +
tcltk-8.5.5-x11.dmg), I started R then tried to load tcltk and this
would hang R. I had to kill the process. I tried again and found that
just doing X11() or even capabilities() would hang it too. I solved the
problem by installing the latest X11 from the XQuartz project.

Cheers,
H.


On 11-07-12 01:44 PM, Skelton, James wrote:
> I am a brand new user of R, running the Macintosh implementation of R.app
> 2.13.1 on an iMac 21" (3.06 GHz Core 2 Duo) under OS 10.6.8. I have
> Administrator privileges on this machine.
> Upon invoking library(Rcmdr) , I get the notice that tcltk is being called
> up followed by a system prompt (>). However, the X11 window doesn't open,
> and nothing at all happens. When I type any legitimate command at the
> prompt, this appears in the R Console window:
>
>   *** caught bus error ***
> address 0x4, cause 'non-existent physical address'
>
> Traceback:
>   1: sys.parent()
>   2: sys.function(sys.parent())
>   3: formals(sys.function(sys.parent()))
>   4: match.arg(encoding)
>   5: match(match.arg(encoding), c("", "bytes", "UTF-8"))
>   6: textConnection("rval", "w", local = TRUE)
>   7: capture.output(print(args(help)))
>   8: paste(capture.output(print(args(help))), collapse = "")
>   9: gsub("\\s+", " ", paste(capture.output(print(args(help))), collapse =
> ""))
> 10: doTryCatch(return(expr), name, parentenv, handler)
> 11: tryCatchOne(expr, names, parentenv, handlers[[1L]])
> 12: tryCatchList(expr, classes, parentenv, handlers)
> 13: tryCatch(expr, error = function(e) {    call<- conditionCall(e)    if
> (!is.null(call)) {        if (identical(call[[1L]], quote(doTryCatch)))
>           call<- sys.call(-4L)        dcall<- deparse(call)[1L]
> prefix<- paste("Error in", dcall, ": ")        LONG<- 75L        msg<-
> conditionMessage(e)        sm<- strsplit(msg, "\n")[[1L]]        w<- 14L
> + nchar(dcall, type = "w") + nchar(sm[1L], type = "w")        if
> (is.na(w))             w<- 14L + nchar(dcall, type = "b") + nchar(sm[1L],
>                  type = "b")        if (w>  LONG)             prefix<-
> paste(prefix, "\n  ", sep = "")    }    else prefix<- "Error : "    msg
> <- paste(prefix, conditionMessage(e), "\n", sep = "")
> .Internal(seterrmessage(msg[1L]))    if (!silent&&
> identical(getOption("show.error.messages"),         TRUE)) {
> cat(msg, file = stderr())        .Internal(printDeferredWarnings())    }
>   invisible(structure(msg, class = "try-error"))})
> 14: try(gsub("\\s+", " ", paste(capture.output(print(args(help))),
> collapse = "")), silent = TRUE)
>
> Possible actions:
> 1: abort (with core dump, if enabled)
> 2: normal R exit
> 3: exit R without saving workspace
> 4: exit R saving workspace
>
>
>
> I've forwarded the entire core dump to Apple and have a copy of it but
> have no idea how to make sense of it.
> Odd thing is, this problem doesn't occur on my 2008 Macbook at home, which
> runs the same Mac OS. It's peculiar to the iMac at my worksite. As I'm
> hoping to use R in some of my advanced undergrad teaching, it'll be
> helpful to solve this problem so my students can take advantage of the
> RCommander GUI.
>
> Thanks for any light you can shed on this!
>
> --Andy Skelton
>
> *****************************
>   J.A. Skelton
>   Dept. of Psychology, Dickinson College
>   Carlisle, PA 17013-2896
>   E-mail: skelton at dickinson.edu
>   Phone: 717-245-1309
> *****************************
>
>
>
>
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-- 
Hervé Pagès

Program in Computational Biology
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