On Wed, Jul 28, 2010 at 17:50, Mark Wilkinson <[email protected]> wrote:

>  Scientific  Linux 5.2 an x86_64 server with 8 CPUs and 48 Gb RAM

Now we're talking.. putting the 'heater' MacPro under my desk to
shame, it has only 16 GB and runs 5-6 virtual machines!

However, as the Scientific Linux 5.2 ISO is 4.4 GB I won't easily be
able to test this distro in a VM while working from home today..


> WARN  2010-07-28 12:35:57,273
> (net.sf.taverna.t2.workbench.models.graph.svg.SVGGraphController:182) -
> Invalid dot returned

                        String layout = SVGUtil.getDot(stringWriter.toString());
                        if (layout.equals("")) {
                                logger.warn("Invalid dot returned");

So it means an empty string was returned, very mysterious.

Could you try View -> Save diagram -> Save as dot text - and then on
the command line try to run 'dot' on the saved DOT file:

: st...@ralph ~/Desktop;  dot -Tdot diagram.dot

digraph Workflow1 {
        graph [bgcolor="#ffffff", color=black, fontsize=10, labeljust=left,
clusterrank=local, ranksep="0.22", nodesep="0.05"];
        node [label="\N", fontname=Helvetica, fontsize=10, fontcolor=black,
shape=record, height=0, width=0, color=black,
fillcolor=lightgoldenrodyellow, style=filled];
        edge [fontname=Helvetica, fontsize=8, fontcolor=black, color=black];
        graph [bb="0,0,58,20"];
        Workflow1Beanshell [label=Beanshell, shape=box, height="0.28",
width="0.81", fillcolor="#deb887", style="filled,solid", pos="29,10"];
}

(Here we can see Graphviz as determined the positions of the boxes in
a very simple workflow with a single Beanshell script)


> Which config file should I be looking at for rogue spaces?

See
~/.taverna-2.2.0/conf/Workbench-c14856f0-5967-11dd-ae16-0800200c9a66.config

For example:

#Wed Jul 28 17:24:49 BST 2010
taverna.dotlocation=/usr/bin/dot



-- 
Stian Soiland-Reyes, myGrid team
School of Computer Science
The University of Manchester

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