Lucien Pereira created LUCENE-5367:
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Summary: NoSuchElementException occurs when
org.apache.lucene.facet.index.FacetFields is used.
Key: LUCENE-5367
URL: https://issues.apache.org/jira/browse/LUCENE-5367
Project: Lucene - Core
Issue Type: Bug
Components: modules/facet
Affects Versions: 4.6, 4.2.1
Reporter: Lucien Pereira
Hi,
When I use the API as below :
{code}
List<CategoryPath> categories = Collections.<CategoryPath>singletonList(new
CategoryPath(path.toArray(new String[path.size()])));
FacetFields facetFields = new FacetFields(taxonomyWriter);
facetFields.addFields(document, categories);
taxonomyWriter.commit();
{code}
An exception occurs :
{quote}
java.util.NoSuchElementException
at java.util.Collections$1.next(Collections.java:3302)
at
org.apache.lucene.facet.index.DrillDownStream.reset(DrillDownStream.java:78)
at
org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:97)
at
org.apache.lucene.index.DocFieldProcessor.processDocument(DocFieldProcessor.java:248)
at
org.apache.lucene.index.DocumentsWriterPerThread.updateDocument(DocumentsWriterPerThread.java:253)
at
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:453)
at
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:1520)
at
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1190)
at
org.apache.lucene.index.IndexWriter.addDocument(IndexWriter.java:1171)
{quote}
Seems likes this is due to multiple calls to
org.apache.lucene.facet.index.DrillDownStream#reset which invoques #next() on
an 'used' iterator.
Regards,
Lucien
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