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RE: Random Bracket mismatch errors


From: Mark Burgess
Subject: RE: Random Bracket mismatch errors
Date: Tue, 07 Mar 2006 18:45:57 +0100

:-) We must tell the world! (Tell the list) Others have complained about
this before... I have to give people the impression that I can do
*something* right...

M

On Tue, 2006-03-07 at 12:40 -0500, Nielsen, Steve wrote:
> Good god it works!
> 
> 2.1.19p1 corrects the bracket mismatch issue.  Thanks for suggesting I try 
> that.
> 
> Steve
> 
> -----Original Message-----
> From: Mark Burgess [mailto:address@hidden 
> Sent: Monday, March 06, 2006 4:14 PM
> To: Nielsen, Steve
> Subject: RE: Random Bracket mismatch errors
> 
> I think it might help 2.1.19p1
> 
> On Mon, 2006-03-06 at 17:06 -0500, Nielsen, Steve wrote:
> > I ran into this issue with 2.1.17.  I will upgrade and rerun.
> > 
> > Steve
> > 
> > -----Original Message-----
> > From: Mark Burgess [mailto:address@hidden 
> > Sent: Saturday, March 04, 2006 2:21 AM
> > To: Nielsen, Steve
> > Subject: Re: Random Bracket mismatch errors
> > 
> > 
> > Only if you tell me what version you are using and you have tested the
> > latest
> > 
> > M
> > 
> > On Fri, 2006-03-03 at 15:10 -0500, Nielsen, Steve wrote:
> > > Mark -
> > > 
> > > I have a reproducible case of what is happening below (brack mismatch).  
> > > I ran cfagent -d0 and got it to print some good debugging information 
> > > out.  I did not specify -p because on parse its okay.
> > > 
> > > Can I send this dump to you off the mailing list? 
> > > 
> > > Steve
> > > 
> > > =================================================================
> > > 
> > > On Mon, 2005-03-21 at 15:13 -0500, Eric Dorland wrote:
> > > > On Mon, 2005-03-21 at 20:27 +0100, Mark Burgess wrote:
> > > > > On Mon, 2005-03-21 at 14:10 -0500, Eric Dorland wrote:
> > > > > > On Sun, 2005-03-20 at 09:13 +0100, Mark Burgess wrote:
> > > > > > > Is this error reproducible? Could you get a cfagent -d0 -p dump? 
> > > > > > > Is this
> > > > > > > a recent version of cfengine?
> > > > > > 
> > > > > > It is not really reproducible. I see it a few times a day from 
> > > > > > random
> > > > > > machines, but there's no real pattern to when it happens. Eric 
> > > > > > Sorenson
> > > > > > seems to think it's a threading issue (which makes sense, given the
> > > > > > somewhat random nature of this bug), so I'm going to try to build
> > > > > > without threading as soon as I figure out how to do that. 
> > > > > > 
> > > > > 
> > > > > Eric, please heed the following advice and answer the following
> > > > > questions to let me help you:
> > > > > 
> > > > > 1) Does the error come from cfservd or cfagent or where?
> > > > > 2) If the error comes from cfagent, you are wasting your time 
> > > > > disabling
> > > > > threading. Cfagent does not use threading, This will simply be a waste
> > > > > of your time.
> > > > > 3) Tell me what version you are using and describe the error clearly 
> > > > > and
> > > > > precisely in every detail. I need to see the offending lines of the
> > > > > config file in particular,
> > > > 
> > > > Of course Mark, I'm sorry if I wasn't clear before and missing
> > > > information. I'm using cfengine 2.1.13 on RHEL 3 systems, patched by
> > > > hand to remove that SIGCHLD line (only thing I touched, I swear). The
> > > > errors always look something like this:
> > > > 
> > > > cf:cfengine::/var/cfengine/inputs/cfagent.conf:2: Bracket mismatch, in
> > > > [class=(], level = 1
> > > > cfengine::/var/cfengine/inputs/cfagent.conf:Aborted
> > > > 
> > > > or
> > > > 
> > > > cf:cfengine::/var/cfengine/inputs/cfagent.conf:2: Bracket mismatch, in
> > > > [class=Ø(], level = 1
> > > > cfengine::/var/cfengine/inputs/cfagent.conf:Aborted
> > > > 
> > > > The only thing that varies is the text after class= . It seems to always
> > > > contain a open or close parentheses, and sometimes a character
> > > > proceeding it.
> > > > 
> > > > I get this error through reports emailed to me through cfexecd, ie this
> > > > is cfagent run through cfexecd. I've never seen this problem running
> > > > cfagent by hand, but it's not very common that I would do that. It seems
> > > > to happen at random times on random machines, but it happens on everyone
> > > > of my machines (not necessarily everyday, but often enough). 
> > > > 
> > > > Attached is my entire cfagent.conf file, if that helps. The line 2 it's
> > > > referring to is merely "groups:" so I don't think it's the problem. 
> > > > 
> > > > Thanks for any and all help.
> > > > 
> > > > > Without this info, I simply have no context in which to guess where 
> > > > > you
> > > > > error is occurring, I would like to help. but I need info.
> > > > > 
> > > > > best wishes
> > > > > Mark
> > > > > 
> > > 
> > > My guess is that this is caused by an unitialized buffer. Please try the
> > > following patch:
> > > 
> > > http://svn.iu.hio.no/viewcvs/trunk/src/parse.c?rev=53&r1=35&r2=53
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > 
> > > _______________________________________________
> > > Help-cfengine mailing list
> > > address@hidden
> > > http://lists.gnu.org/mailman/listinfo/help-cfengine
> > 
> 





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