Smalyshev created this task.
Herald added a subscriber: Aklapper.
Herald added projects: Wikidata, Discovery.
TASK DESCRIPTION
This query:
ASK
{
?cat wdt:P31 wd:Q146 .
?cat wdt:P570 ?d .
SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
}
results in NPE:
Caused by: java.lang.NullPointerException
at
org.wikidata.query.rdf.blazegraph.label.EmptyLabelServiceOptimizer.addResolutions(EmptyLabelServiceOptimizer.java:77)
at
org.wikidata.query.rdf.blazegraph.label.EmptyLabelServiceOptimizer.optimizeJoinGroup(EmptyLabelServiceOptimizer.java:66)
at
com.bigdata.rdf.sparql.ast.optimizers.AbstractJoinGroupOptimizer.optimize(AbstractJoinGroupOptimizer.java:161)
at
com.bigdata.rdf.sparql.ast.optimizers.AbstractJoinGroupOptimizer.optimize(AbstractJoinGroupOptimizer.java:101)
at
com.bigdata.rdf.sparql.ast.optimizers.ASTOptimizerList.optimize(ASTOptimizerList.java:126)
at
com.bigdata.rdf.sparql.ast.eval.AST2BOpUtility.convert(AST2BOpUtility.java:267)
at
com.bigdata.rdf.sparql.ast.eval.ASTEvalHelper.evaluateBooleanQuery(ASTEvalHelper.java:156)
at
com.bigdata.rdf.sail.BigdataSailBooleanQuery.evaluate(BigdataSailBooleanQuery.java:77)
at
com.bigdata.rdf.sail.BigdataSailBooleanQuery.evaluate(BigdataSailBooleanQuery.java:59)
at
com.bigdata.rdf.sail.webapp.BigdataRDFContext$AskQueryTask.doQuery(BigdataRDFContext.java:1645)
at
com.bigdata.rdf.sail.webapp.BigdataRDFContext$AbstractQueryTask.innerCall(BigdataRDFContext.java:1568)
at
com.bigdata.rdf.sail.webapp.BigdataRDFContext$AbstractQueryTask.call(BigdataRDFContext.java:1533)
at
com.bigdata.rdf.sail.webapp.BigdataRDFContext$AbstractQueryTask.call(BigdataRDFContext.java:705)
TASK DETAIL
https://phabricator.wikimedia.org/T128944
EMAIL PREFERENCES
https://phabricator.wikimedia.org/settings/panel/emailpreferences/
To: Smalyshev
Cc: Aklapper, Smalyshev, debt, Gehel, D3r1ck01, FloNight, Izno, jkroll,
Wikidata-bugs, Jdouglas, aude, Deskana, Manybubbles, Mbch331
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