https://bugzilla.wikimedia.org/show_bug.cgi?id=31182
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Bug #: 31182
Summary: [RDFIO] error when original URI is not given
Product: MediaWiki extensions
Version: any
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Semantic MediaWiki
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Samuel, while trying to debug the SPARQL issue, I noticed this error:
[Tue Sep 27 10:55:20 2011] [error] [client 127.0.0.1] PHP Notice: Undefined
offset: 0 in /usr/local/share/mediawiki/RDFIO/classes/RDFStore.php on line 56,
referer: http://127.0.0.1/mediawiki/index.php/Special:SPARQLEndpoint
which refers to this code:
function getOrigURIForUri( $uri ) {
$origuri = '';
$store = $this->m_arcstore;
$origuriuri = $this->getOrigURIURI();
$q = "SELECT ?origuri WHERE { <$uri> <$origuriuri> ?origuri }";
$rs = $store->query( $q );
if ( !$store->getErrors() ) {
$rows = $rs['result']['rows'];
$row = $rows[0];
$origuri = $row['origuri'];
} else {
die( "Error in ARC Store: " . print_r( $store->getErrors(), true )
);
}
return $origuri;
}
Line 56 is the "$row = $rows[0];" line.
Not all resources have original URIs.
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