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World: r3wp

[!Cheyenne] Discussions about the Cheyenne Web Server

Dockimbel
15-Nov-2008
[3396]
I guess that RebelBB is running as a CGI app ? If it's using READ-IO, 
your issue might be caused by some limitations of my READ-IO emulation 
code. If you can send me or point me to the code, it should help 
me improve Cheyenne's CGI support.
DideC
15-Nov-2008
[3397]
The code is the one of RebelBB here : http://www.digicamsoft.com/cgi-bin/rebelBB.cgi?code=1
Dockimbel
15-Nov-2008
[3398]
Okay, my READ-IO emulation has been removed in the last version. 
I've replaced it with a safe 'cgi-read-io function. I plan to put 
it back soon, I think I know how to make it work reliably now.
Henrik
15-Nov-2008
[3399]
Doc, does it affect RSP or is this solely a PHP issue?
Dockimbel
15-Nov-2008
[3400]
It's a FastCGI/PHP issue only.
Henrik
15-Nov-2008
[3401]
ok
Dockimbel
15-Nov-2008
[3402]
Cheyenne's wiki is back online. I've fixed a bug in the FastCGI reconnection 
process. Load tests seems ok. It's now under observation during a 
few days to see if it really solved the stability issue.
CharlesW
15-Nov-2008
[3403]
Thanks DideC. I disabled Skype and Violla! Everything is working.
Graham
24-Nov-2008
[3404x5]
Cheyenne locked up ( RSP ).

Logged into rconsole.r and tried the write %debug.log mold uniserve 
but nothing written.
Quit and tried to login to rconsole.r again, but now just hangs.
See screenshot http://screencast.com/t/eoERBSFOLz6
Anything else I can try before I reboot?
What I was doing ... I had FF in one RSP session.  Then tried to 
access the same webapp using IE ... and that seemed to cause the 
problem.
Oldes
24-Nov-2008
[3409]
The Vista can be the problem ;-)
Dockimbel
24-Nov-2008
[3410]
Interesting pattern, I'll try to reproduce that. Strange that you 
can write a log file from rconsole, something wrong with filesystem 
writing permissions ?
Graham
24-Nov-2008
[3411x4]
can't ?
sudo rebol
and then do %rconsole.r
and there was no error when I tried to write the log file.
not using Vista .... except for the ssh client.
Cheyenne is still running, but RSP is not.  Going to kill the chyenne 
process now as I need this server up and running.
Will
26-Nov-2008
[3415]
Graham: can you make sure it is not task-handlers busy due to long 
processyng rsp? if you run it in the console you can put "rsp-log 
word-to-check-here" in your rsp-code to monitor if they are still 
running.
Graham
26-Nov-2008
[3416]
No long running rsp
Oldes
28-Nov-2008
[3417x2]
How to turn off the inbuild RSP cache?
or at least the cache should be cleaned on config reload.
Dockimbel
28-Nov-2008
[3419x4]
For debugging purpose, start cheyenne with the -debug command-line 
option, it forces RSP to reload everything at each request.
Graham: running the rconsole with root privileges doesn't help. Once 
you're in the console, your code is executed by the cheyenne process, 
not by the rconsole process.
Is your Cheyenne process running as root ?
A possible explanation is : your RSP processes are freezing because 
of a file access issue. The main process  wait for the RSP process 
to finish and launch a new one for new request. Once the max number 
of processes is reached, your server is no more able to execute RSP 
requests.
Graham
28-Nov-2008
[3423x4]
I have a log which notes when I call an external app, and when I 
return.  There's no problem there so it's not 'call.
Yes, sudo Cheyenne
As I mentioned, it seems to crash usually when I have IE and FF both 
accessing the webapp
If I just stick to using FF, I never see RSP fail
Dockimbel
28-Nov-2008
[3427]
I'm investigating the issue with Will. Not sure that's exactly the 
same issue as you, but its probably related in both cases to *uncatched* 
user script errors that freeze or kill the RSP process...which is 
quite odd, because RSP script execution is protected by 3 levels 
of TRY...The main process seems to never been notified as TCP control 
connections with RSP processes are probably left half-opened.
Graham
28-Nov-2008
[3428]
*uncaught*
Dockimbel
28-Nov-2008
[3429x3]
thanks for correcting me.
IIRC, that's the second time you correct me on that same mistake 
;-)
Btw, what was your CALL doing in your RSP app ? Calling ImageMagic 
?
Will
28-Nov-2008
[3432]
if anyone has code that reproduce rsp stopping working please send 
me a copy,
Graham
28-Nov-2008
[3433x2]
Yes, I call imagemagick
and faxstat
http://compkarori.no-ip.biz:8001/debug.txt
Will
28-Nov-2008
[3435]
nothing wrong with it
Graham
28-Nov-2008
[3436]
Yep ... it returns okay from 'call
Will
28-Nov-2008
[3437x2]
does it run in a webapp ?
when rsp stop responding do the rsp (task-handlers) still exists?
Graham
28-Nov-2008
[3439x2]
Yes, it's a webapp
how would i know ....?
Will
28-Nov-2008
[3441x2]
if the path of a request goes into a configured webapp in httpd.cfg
do you query mysql with mysql-protocol.r at the same time ?
Graham
28-Nov-2008
[3443x2]
I don't use mysql.... it's all flat files
The webapp is here if you're interested.  http://rebol.wik.is/Hylafax
Will
28-Nov-2008
[3445]
stupid question sorry, but on what version of rebol do you run it?