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https://issues.apache.org/jira/browse/LUCENE-4583?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Barakat Barakat updated LUCENE-4583:
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Attachment: LUCENE-4583.patch
I updated the code to work when start isn't zero. The code can still crash if
you ask for a length that goes beyond the total size of the paged bytes, but
I'm not sure how you guys like to prevent things like that. The code seems to
be working fine with our Solr core so far. I am new to posting patches and
writing test units in Java so please let me know if there is anything wrong
with the code.
> 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
> Fix For: 4.1
>
> Attachments: LUCENE-4583.patch
>
>
> 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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