[
https://issues.apache.org/jira/browse/JENA-1129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andy Seaborne resolved JENA-1129.
---------------------------------
Resolution: Fixed
Assignee: Andy Seaborne
Fix Version/s: Jena 3.1.0
> NullPointerException in Query Transformation
> --------------------------------------------
>
> Key: JENA-1129
> URL: https://issues.apache.org/jira/browse/JENA-1129
> Project: Apache Jena
> Issue Type: Bug
> Components: ARQ
> Affects Versions: Jena 3.1.0
> Reporter: Holger Knublauch
> Assignee: Andy Seaborne
> Priority: Minor
> Fix For: Jena 3.1.0
>
>
> {noformat}
> Query query = QueryFactory.create(
> " ASK { "
> + " FILTER NOT EXISTS {"
> + " BIND (?width * ?height AS ?value)"
> + " }"
> + " }");
> QueryTransformOps.transform(query, new HashMap<Var,Node>());
> {noformat}
> ->
> {noformat}
> java.lang.NullPointerException
> at org.apache.jena.sparql.expr.ExprVar.apply(ExprVar.java:92)
> at
> org.apache.jena.sparql.expr.ExprTransformer$ApplyExprTransformVisitor.visit(ExprTransformer.java:176)
> at org.apache.jena.sparql.expr.ExprVar.visit(ExprVar.java:90)
> at
> org.apache.jena.sparql.expr.ExprWalker$Walker.visit(ExprWalker.java:97)
> at
> org.apache.jena.sparql.expr.ExprWalker$WalkerBottomUp.visit(ExprWalker.java:113)
> at org.apache.jena.sparql.expr.ExprVar.visit(ExprVar.java:90)
> at
> org.apache.jena.sparql.expr.ExprWalker$Walker.visitExprFunction(ExprWalker.java:68)
> at
> org.apache.jena.sparql.expr.ExprVisitorFunction.visit(ExprVisitorFunction.java:29)
> at
> org.apache.jena.sparql.expr.ExprFunction2.visit(ExprFunction2.java:109)
> at org.apache.jena.sparql.expr.ExprWalker.walk(ExprWalker.java:36)
> at
> org.apache.jena.sparql.expr.ExprTransformer.transformation(ExprTransformer.java:62)
> at
> org.apache.jena.sparql.expr.ExprTransformer.transformation(ExprTransformer.java:45)
> at
> org.apache.jena.sparql.expr.ExprTransformer.transform(ExprTransformer.java:36)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer$ApplyTransformVisitor.visit(ElementTransformer.java:159)
> at
> org.apache.jena.sparql.syntax.ElementWalker$Walker.visit(ElementWalker.java:100)
> at org.apache.jena.sparql.syntax.ElementBind.visit(ElementBind.java:68)
> at
> org.apache.jena.sparql.syntax.ElementWalker$Walker.visit(ElementWalker.java:127)
> at
> org.apache.jena.sparql.syntax.ElementGroup.visit(ElementGroup.java:120)
> at
> org.apache.jena.sparql.syntax.ElementWalker.walk(ElementWalker.java:39)
> at
> org.apache.jena.sparql.syntax.ElementWalker.walk(ElementWalker.java:33)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.applyTransformation(ElementTransformer.java:89)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transformation(ElementTransformer.java:83)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transformation(ElementTransformer.java:74)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transform(ElementTransformer.java:66)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transform(ElementTransformer.java:56)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ExprTransformNodeElement.transform(ExprTransformNodeElement.java:67)
> at
> org.apache.jena.sparql.expr.ExprFunctionOp.apply(ExprFunctionOp.java:98)
> at
> org.apache.jena.sparql.expr.ExprTransformer$ApplyExprTransformVisitor.visit(ExprTransformer.java:161)
> at
> org.apache.jena.sparql.expr.ExprFunctionOp.visit(ExprFunctionOp.java:97)
> at
> org.apache.jena.sparql.expr.ExprWalker$Walker.visit(ExprWalker.java:92)
> at
> org.apache.jena.sparql.expr.ExprWalker$WalkerBottomUp.visit(ExprWalker.java:113)
> at
> org.apache.jena.sparql.expr.ExprFunctionOp.visit(ExprFunctionOp.java:97)
> at org.apache.jena.sparql.expr.ExprWalker.walk(ExprWalker.java:36)
> at
> org.apache.jena.sparql.expr.ExprTransformer.transformation(ExprTransformer.java:62)
> at
> org.apache.jena.sparql.expr.ExprTransformer.transformation(ExprTransformer.java:45)
> at
> org.apache.jena.sparql.expr.ExprTransformer.transform(ExprTransformer.java:36)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer$ApplyTransformVisitor.transformExpr(ElementTransformer.java:286)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer$ApplyTransformVisitor.visit(ElementTransformer.java:139)
> at
> org.apache.jena.sparql.syntax.ElementWalker$Walker.visit(ElementWalker.java:84)
> at
> org.apache.jena.sparql.syntax.ElementFilter.visit(ElementFilter.java:35)
> at
> org.apache.jena.sparql.syntax.ElementWalker$Walker.visit(ElementWalker.java:127)
> at
> org.apache.jena.sparql.syntax.ElementGroup.visit(ElementGroup.java:120)
> at
> org.apache.jena.sparql.syntax.ElementWalker.walk(ElementWalker.java:39)
> at
> org.apache.jena.sparql.syntax.ElementWalker.walk(ElementWalker.java:33)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.applyTransformation(ElementTransformer.java:89)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transformation(ElementTransformer.java:83)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transformation(ElementTransformer.java:74)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.ElementTransformer.transform(ElementTransformer.java:61)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.QueryTransformOps.transform(QueryTransformOps.java:57)
> at
> org.apache.jena.sparql.syntax.syntaxtransform.QueryTransformOps.transform(QueryTransformOps.java:46)
> {noformat}
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
