[rrd-users] Re: RRDs::graph Error

[Geert van der Ploeg]

That means there is a calculation (CDEF) which doesn't have a correct number
of operators/operands, returning not precisely 1 value as result.

A good way of debugging your CDEF is to write it out on several lines, in
"normal" "in-fix" notation.

e.g.:
line1,line2,+,0,*

becomes:
(line1 + line2) * 0

etc.


HTH.



Geert van der Ploeg


----- Original Message -----
From: "Fredrik X" <fredrik at pulsesoft.com>
To: "'RRD users'" <rrd-users at list.ee.ethz.ch>
Sent: Wednesday, June 26, 2002 10:59 AM
Subject: [rrd-users] RRDs::graph Error


>
>
> Hi,
>
> I'm using Perl, RRDs to make a graph and I keep getting this error
> message:  "RPN final stack size != 1".
> When I run, RRDs::graph("/var/www/html/rrd/images/graph.gif", @opts);
>
> Anyone?
>
>
> // Fredrik
>
>
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