On Fri, 27 Aug 2004, Mark Powell wrote:
> On Fri, 27 Aug 2004, Mark Powell wrote:
> The only differences when the email is over 250k is that spamc returns
> instantly without contacting spamd so there's a possibility for some sort
> of timing error in QS. This seems very unlikely though.
> The other difference is the format of the returned results. Possibly QS
> has a bug in handling that. That is strange though as 1.22 has no problems
> with the same spamc.
Ok, tracked it down to this code in "sub spamassassin". I put some
debugging in:
&debug("SA: 0.0");
while (<SIN>) {
&debug("SA: 0.0.0");
print (SOUT $_) || &debug("SA: print error");
}
&debug("SA: 0.1");
I get lots of these in the logs for each line:
Fri, 27 Aug 2004 20:06:55 BST:35118: SA: 0.0.0
Fri, 27 Aug 2004 20:06:55 BST:35118: SA: 0.0.0
Fri, 27 Aug 2004 20:06:55 BST:35118: SA: 0.0.0
Fri, 27 Aug 2004 20:06:55 BST:35118: SA: 0.0.0
Fri, 27 Aug 2004 20:06:55 BST:35118: SA: 0.0.0
But it never gets to logging "SA: 0.1". It just dies in that loop. This is
a different technique from 1.22 which runs spamc with the email as stdin
and reads the output directly to get the results, rather than directing
the stdout of spamc to a file and reading that for the results. I guess
the new technique is to provide better error handling, but it's causing
some problems. Of course, the perl process should not just die in a loop
like that. This requires more investigation.
Cheers.
> Cheers.
>
> > Yeah it seems very strange. Spamc just outputs "0/0" when the file is too
> > big. You'd think nothing could go wrong there, but I've located the
> > problem down to just that. Use the 1.22 QS.pl and it's fine move the 1.23
> > QS.pl back in and it fails on large spam checked emails.
> >
> > > Are you running a patched version or something?
> >
> > It's perl 5.8.5, SpamAssassin 2.64. Nothing is patched. 1.22 works with
> > the same perl and SA that 1.23 has problems with.
> >
> > > That problem certainly doesn't exist for me, and I would have thought
> > > others would have reported problems by now if it was a general
> > > problem...
> >
> > Yeah, it's very strange. I've never had problems with QS before. It's
> > always been so easy to get a new version running. I just can't see why
> > it's doing this. The logs just stop at the SA line and that's it. Spamd is
> > not contacted at all.
> > Cheers.
> >
> >
>
>
--
Mark Powell - UNIX System Administrator - The University of Salford
Information Services Division, Clifford Whitworth Building,
Salford University, Manchester, M5 4WT, UK.
Tel: +44 161 295 4837 Fax: +44 161 295 5888 www.pgp.com for PGP key
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