John Wang created LUCENE-6969:
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Summary: Exception in reading SortedDocValues
Key: LUCENE-6969
URL: https://issues.apache.org/jira/browse/LUCENE-6969
Project: Lucene - Core
Issue Type: Bug
Components: core/index
Affects Versions: 5.4
Reporter: John Wang
While reading SortedDocValues, I am getting the following stacktrace:
{noformat}
Exception in thread "main" java.lang.IndexOutOfBoundsException
at java.nio.Buffer.checkIndex(Buffer.java:546)
at java.nio.DirectByteBuffer.getShort(DirectByteBuffer.java:590)
at
org.apache.lucene.store.ByteBufferIndexInput$SingleBufferImpl.readShort(ByteBufferIndexInput.java:443)
at
org.apache.lucene.util.packed.DirectReader$DirectPackedReader16.get(DirectReader.java:185)
at
org.apache.lucene.codecs.lucene54.Lucene54DocValuesProducer$2.get(Lucene54DocValuesProducer.java:502)
at org.apache.lucene.util.LongValues.get(LongValues.java:45)
at
org.apache.lucene.codecs.lucene54.Lucene54DocValuesProducer$7.getOrd(Lucene54DocValuesProducer.java:800)
{noformat}
I am not able to reproduce with a unit test. However, I am able to consistently
reproduce it with my data. I think this is some sort of off-by-one error caused
with my index.
I am happy to provide my index for reproduce this offline.
Here is the code snippet:
{noformat}
public static void main(String[] args) throws Exception {
File idx = new File("/tmp/rapid/data/1448008627000_1448120881000");
int id = 719265;
Path idxPath = FileSystems.getDefault().getPath(idx.getAbsolutePath());
FSDirectory dir = FSDirectory.open(idxPath);
DirectoryReader dreader = DirectoryReader.open(dir);
LeafReaderContext ctx = dreader.leaves().get(0);
SortedDocValues docVal = ctx.reader().getSortedDocValues("host");
int ord = docVal.getOrd(id);
System.out.println("ord: " + ord);
}
{noformat}
My index has 1 segment and 5M docs.
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