[rrd-developers] Re: Tru64 - DEC Alpha - Cricket/RRDTool

[Hayes, Jennifer]

This does look like a Cricket problem more than anything but hopefully
somebody on this list may have more ideas on what we can try.

I'll have a go but I didn't see any of the examples creating any header info
- which is where our problem is.
While I have a look, here are the logs for Apache & the corresponding line
that it is complaining about in ~cricket/lib/RRD/File.pm:

APACHE error_log

# tail error_log
Grpaher dsnum: 4Use of uninitialized value at
/usr/users/cricket/public_html/cri
cket/./lib/RRD/File.pm line 349.

Grpaher dsnum: 5Use of uninitialized value at
/usr/users/cricket/public_html/cri
cket/./lib/RRD/File.pm line 349.

Grpaher dsnum: 2Use of uninitialized value at
/usr/users/cricket/public_html/cri
cket/./lib/RRD/File.pm line 349.
[Tue Apr  4 11:07:52 2000] [error] [client 153.107.16.226] Premature end of
scri
pt headers: /usr/users/cricket/public_html/cricket/grapher.cgi

Grpaher dsnum: 4Use of uninitialized value at
/usr/users/cricket/public_html/cri
cket/./lib/RRD/File.pm line 349.

Grpaher dsnum: 5Use of uninitialized value at
/usr/users/cricket/public_html/cri
cket/./lib/RRD/File.pm line 349.


----------------------------------------------
~cricket/lib/RRD/File.pm

      my($wantedRow) = $self->rra_ptr(0);
        my($elmSize) = sizeof($fmt->format('element'));
        my($rraOffset) = 0;             # this is because we only want the
first
 RRA.
                                                        # eventually, we
could c
ompute this for an
                                                        # arbitrarty RRA.
******        my($dataOffset) = $rraOffset +      ****** This is line 349
                                        $wantedRow * ($ds_cnt * $elmSize) +
$ds
* $elmSize;
        my($offset) = $headerOffset + $dataOffset;

        my($value) = $self->_readBlock($offset, $elmSize);

        if (defined($value)) {
                ($value) = unpack($fmt->format('element'), $value);
                return $value;


Regards,

Jennifer


-----Original Message-----
From: Tobias Oetiker [ mailto:oetiker at ee.ethz.ch <mailto:oetiker at ee.ethz.ch>
]
Sent: Tuesday, April 04, 2000 3:35 PM
To: Hayes, Jennifer
Cc: 'rrd-developers at list.ee.ethz.ch'
Subject: Re: [rrd-developers] Re: Tru64 - DEC Alpha - Cricket/RRDTool


Today you sent me mail regarding [rrd-developers] Re: Tru64 - DEC Alpha
-...:

*> Hi,
*>
*> I tried all the example scripts in RRD & all work okay.
*>
*> Regards,
*> Jennifer

Could you try to modify one of the example scripts to exhibit the
same behaviour as your cricket install? This would help to debug
the problem ...

cheers
tobi


--
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