Martin W. created JENA-323:
------------------------------
Summary: ModelCom: difference NullPointerExeption swallows the
original cause
Key: JENA-323
URL: https://issues.apache.org/jira/browse/JENA-323
Project: Apache Jena
Issue Type: Bug
Components: Jena
Affects Versions: Jena 2.7.3
Reporter: Martin W.
Priority: Minor
I'm getting NullPointerException at
com.hp.hpl.jena.rdf.model.impl.ModelCom.difference(ModelCom.java:1440)
Currently the source code reads as follows:
@Override
public Model difference(Model model) {
Model resultModel = createWorkModel();
StmtIterator iter = null;
Statement stmt;
try {
iter = listStatements();
while (iter.hasNext()) {
stmt = iter.nextStatement();
if (! model.contains(stmt)) {
resultModel.add(stmt);
}
}
return resultModel;
} finally {
iter.close();
}
}
Probably, the finally section should be:
} finally {
if (iter != null) {
iter.close();
}
}
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