Funny enough I was trying the same thing today after reading the discussion
in Baptiste's Physicists thread. I get a very similar error when I started
it in R...

> require(deducer)
Loading required package: deducer
Warning message:
In library(package, lib.loc = lib.loc, character.only = TRUE, logical.return
= TRUE,  :
  there is no package called 'deducer'
> require(Deducer)
Loading required package: Deducer
Loading required package: rJava
Loading required package: JGR
Loading required package: JavaGD
Loading required package: iplots
Note: On Mac OS X we strongly recommend using iplots from within JGR.
Proceed at your own risk as iplots cannot resolve potential ev.loop
deadlocks.
'Yes' is assumed for all dialogs as they cannot be shown without a deadlock,
also ievent.wait() is disabled.
Error : .onLoad failed in loadNamespace() for 'iplots', details:
  call: .jnew("org/rosuda/iplots/Framework")
  error: java.lang.InternalError: Can't start the AWT because Java was
started on the first thread.  Make sure StartOnFirstThread is not specified
in your application's Info.plist or on the command line
Failed with error:  ‘package 'iplots' could not be loaded’

> sessionInfo()
R version 2.13.1 (2011-07-08)
Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)

locale:
[1] en_US.UTF-8/en_US.UTF-8/C/C/en_US.UTF-8/en_US.UTF-8

attached base packages:
[1] grid      stats     graphics  grDevices utils     datasets  methods
base

other attached packages:
 [1] JavaGD_0.5-4    rJava_0.9-1     edgeR_2.2.5     quantmod_0.3-15
TTR_0.20-2      xts_0.8-0
 [7] zoo_1.7-2       Defaults_1.1-1  tis_1.17        ggplot2_0.8.9
proto_0.3-9.2   reshape_0.8.4
[13] plyr_1.6

loaded via a namespace (and not attached):
[1] digest_0.5.0    lattice_0.19-30 limma_3.8.2     tools_2.13.1


But I downloaded the application from JGR directly and ran it. In JGR it
loaded all the packages just fine. http://www.rforge.net/JGR/files/

I can't say I know how to use it yet though... Just need to RTFM I guess.

Brandon





On Mon, Aug 1, 2011 at 13:20, Alan Kelly <AKELLY@tcd.ie> wrote:

> dear all, my intention was to check-out Deducer for teaching purposes.
>  Deducer would not load indicating problems with loading "iplots".  The
> error message is the same as that repoduced below when I try to load JGR.
>  I've checked the Info.plist file in the R folder and there is no
> "StartOnFirstThread" command line.
> Any advice on how I might proceed?
> Many thanks,
> Alan Kelly
> Trinity College Dublin
>
>
> > library(JGR)
> Loading required package: rJava
> Loading required package: JavaGD
> Loading required package: iplots
> Note: On Mac OS X we strongly recommend using iplots from within JGR.
> Proceed at your own risk as iplots cannot resolve potential ev.loop
> deadlocks.
> 'Yes' is assumed for all dialogs as they cannot be shown without a
> deadlock,
> also ievent.wait() is disabled.
> Error in .jnew("org/rosuda/iplots/Framework") :
>  java.lang.InternalError: Can't start the AWT because Java was started on
> the first thread.  Make sure StartOnFirstThread is not specified in your
> application's Info.plist or on the command line
> Error: package 'iplots' could not be loaded
>
> Session Info
> > sessionInfo()
> R version 2.13.1 (2011-07-08)
> Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
>
> locale:
> [1] en_US/en_US/en_US/C/en_US/en_US
>
> attached base packages:
> [1] stats     graphics  grDevices utils     datasets  methods   base
>
> other attached packages:
> [1] JavaGD_0.5-4 rJava_0.9-1
>
> loaded via a namespace (and not attached):
> [1] coda_0.14-2     grid_2.13.1     lattice_0.19-30
>
> _______________________________________________
> R-SIG-Mac mailing list
> R-SIG-Mac@r-project.org
> https://stat.ethz.ch/mailman/listinfo/r-sig-mac
>

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