David Smiley created LUCENE-4583:
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Summary: StraightBytesDocValuesField fails if bytes > 32k
Key: LUCENE-4583
URL: https://issues.apache.org/jira/browse/LUCENE-4583
Project: Lucene - Core
Issue Type: Bug
Components: core/index
Affects Versions: 4.0, 4.1, 5.0
Reporter: David Smiley
Priority: Critical
I didn't observe any limitations on the size of a bytes based DocValues field
value in the docs. It appears that the limit is 32k, although I didn't get any
friendly error telling me that was the limit. 32k is kind of small IMO; I
suspect this limit is unintended and as such is a bug. The following test
fails:
{code:java}
public void testBigDocValue() throws IOException {
Directory dir = newDirectory();
IndexWriter writer = new IndexWriter(dir, writerConfig(false));
Document doc = new Document();
BytesRef bytes = new BytesRef((4+4)*4097);//4096 works
bytes.length = bytes.bytes.length;//byte data doesn't matter
doc.add(new StraightBytesDocValuesField("dvField", bytes));
writer.addDocument(doc);
writer.commit();
writer.close();
DirectoryReader reader = DirectoryReader.open(dir);
DocValues docValues = MultiDocValues.getDocValues(reader, "dvField");
//FAILS IF BYTES IS BIG!
docValues.getSource().getBytes(0, bytes);
reader.close();
dir.close();
}
{code}
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