Beefy Boxes and Bandwidth Generously Provided by pair Networks
No such thing as a small change
 
PerlMonks  

Re^2: how to localise a problem?

by Dave Howorth (Beadle)
on Nov 27, 2012 at 12:24 UTC ( #1005845=note: print w/ replies, xml ) Need Help??


in reply to Re: how to localise a problem?
in thread how to localise a problem?

Thanks for that. Do you have any links to reports about Graphviz crashes with similar messages? That could be very helpful.

Most of my graphs are pretty small (less than ten nodes). And which one fails seems to be random, and more importantly, it works perfectly and is not unusual when it is retried. So I don't think it is a data-dependent Graphviz error. The dot files look sensible.

FWIW, here's where I mess with Graphviz

    $self->{graph} = GraphViz2->new(
                    global  => {
                        name    => 'fold_graph_map',
                    },
                    node    => {
                        fontsize => 10,
                        shape    => 'box',
                    },
                );

stuff adding nodes and edges omitted

    eval {
        $self->{graph}->run(format  => 'png');
        $png   = $self->{graph}->dot_output();
    };
    die "Failed to create png for node #$id:\n$@\n"
        . $self->{graph}->dot_input()
      if $@;


Comment on Re^2: how to localise a problem?

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1005845]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others pondering the Monastery: (16)
As of 2015-07-02 13:18 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









    Results (38 votes), past polls