eprints_tech messages

From: Sam Moffatt <Samuel.Moffatt AT usq.edu.au>
Date: Tue, 30 Jun 2009 09:46:05 +1000

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Looking at that location rendered an empty document element - I'm
guessing its failing because the plugin doesn't check that there are
children for the root node or for any other node. 

The code in question I'm guessing is this:
my  AT country = $dom->getElementsByTagName( "countryCode" );
my  AT location = $dom->getElementsByTagName( "name" );
my $countryString = $country[0]->getFirstChild->getNodeValue;
my $locationString = $location[0]->getFirstChild->getNodeValue;	

Perhaps change this to be the following:
my  AT country = $dom->getElementsByTagName( "countryCode" ); 
my  AT location = $dom->getElementsByTagName( "name" );
next unless(EPrints::Utils::is_set($country[0]) && ↵
EPrints::Utils::is_set($location[0]);
my $countryString = $country[0]->getFirstChild->getNodeValue;
my $locationString = $location[0]->getFirstChild->getNodeValue;	


I certainly haven't tested this but give it a go and see how you
progress. I'm still learning how ePrints works and there is probably a
better way of doing that in Perl as well (perhaps just check that
location/country has values?).

Cheers,

sam


On Sat, 2009-06-20 at 04:52 +1000, Liang Zhong wrote:
> http://ws.geonames.org/findNearbyPlaceName?lat=38.2052&lng=122.572
> [Fri Jun 19 14:44:05 2009] [error] Can't call method ↵
"getFirstChild"
> on an
> undefined value
> at /var/eprints/perl_lib/EPrints/Plugin/Export/MapPlot.pm
> line 147.\n


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