rapache version 1.0.4 and earlier attempted to turn off stack-checking
*before* initializing R. After reading the source, it seems that it
should turn it off *after* initializing R. I've fixed this in the latest
release of 1.0.5.
Sorry for the confusion; it's hard to understand just from reading the
'Writing R Extensions' manual exactly what can/should be accomplished
before R initializes compared to what can/should be accomplished
afterwards to influence R's embedded environment. For instance, turning
off R's signal handling is accomplished by setting R_SignalHandlers = 0
*before* initializing R; at least that's what the source code is telling me.
Best,
Jeff
Prof Brian Ripley wrote on 05/28/2008 01:53 AM:
Please look it up in 'Writing R Extensions'. Especially in the
discussion around 'There is a potential issue with the stack-checking
mechanism where threads are involved.'
This is an issue for the author of RApache, who it seems has not turned
off C stack checking in the version you are using, and in any case the
advice is to set appropriate limits, not turn it off.
On Tue, 27 May 2008, jeroenooms wrote:
I am trying to set up a RApache server on my Ubuntu 8.04. I have
installed
apache2, R-2.7.0, and the RApache plugin. Both Apache and R seem to work
fine, but whenever i try to use the plugin i get this error: C stack
usage
is too close to the limit.
I have tried to recompile apache2, R, and RApache, but i keep getting the
error. The weird thing is, i had exactly the same problem when i
installed
RApache on my Debian box, but somehow that suddenly dissapeared and
now it
is working fine. However, i cant resolve the error on my Ubuntu
machine. I
have mailed the author of RApache, and he told me he thought that he
actually had "turned off" c stack checking in RApache. He couldnt find
the
cause of any problems in my logs.
I realise probably not a lot of people are using RApache, but the error
seems more familiar in R when you google it. Unfortunatly i have no idea
what it means. Any suggestions in which direction i should look for a
solution?
http://www.nabble.com/file/p17498015/2hdw8eo.png
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