TermDocs.skipTo fails with an ArrayOutOfBoundsException from BitVector
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Key: LUCENE-1054
URL: https://issues.apache.org/jira/browse/LUCENE-1054
Project: Lucene - Java
Issue Type: Bug
Components: Index, Query/Scoring, Search, Term Vectors
Affects Versions: 2.2
Environment: Java 1.5 and 1.6 exhibit error. OS Windows XP and Ubunbtu
Reporter: michael streeton
After a number of calls to TermDocs.skipTo, the following exception is thrown
java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 101306
at org.apache.lucene.util.BitVector.get(BitVector.java:72)
at org.apache.lucene.index.SegmentTermDocs.next(SegmentTermDocs.java:118)
at
org.apache.lucene.index.SegmentTermDocs.skipTo(SegmentTermDocs.java:176)
at org.apache.lucene.index.MultiTermDocs.skipTo(MultiReader.java:413)
This error only occurs in 2.2 works okay in 2.1 and in 2.2 if the index is
built using 2.1. The following demonstrates the error. The document being
skipTo is not greater than the number of documents in the index.
import java.io.File;
import java.io.IOException;
import java.util.Random;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field; import
org.apache.lucene.document.Field.Index;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.MultiReader;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.TermDocs; import
org.apache.lucene.store.FSDirectory;
import org.apache.lucene.store.LockObtainFailedException;
public class Test4 {
/**
* @param args
* @throws IOException
* @throws LockObtainFailedException
* @throws CorruptIndexException
*/
public static void main(String[] args) throws Exception {
Random rand = new Random(0);
FSDirectory[] dirs = new FSDirectory[10];
boolean build = false;
for (int i = 0; i < dirs.length; i++) {
dirs[i] = FSDirectory.getDirectory("c:" +
File.separator + "temp"
+ File.separator + "lucenetest" +
File.separator
+ Integer.toString(i));
if (!IndexReader.indexExists(dirs[i])) {
if (!build) {
System.out.println("Building Test Index
Start");
}
build = true;
System.out.println("Building Index: " +
dirs[i].getFile()
+ " Start");
IndexWriter writer = new IndexWriter(dirs[i],
new StandardAnalyzer(), true);
for (int j = 0; j < 100000; j++) {
Document doc = new Document();
doc.add(new Field("i",
Integer.toString(rand.nextInt(100)),
Store.YES,
Index.UN_TOKENIZED));
doc.add(new Field("j",
Integer.toString(rand.nextInt(1000)), Store.YES,
Index.UN_TOKENIZED));
writer.addDocument(doc);
}
writer.optimize();
writer.close();
writer = null;
System.out.println("Building Index: " +
dirs[i].getFile()
+ " Complete");
}
IndexReader reader = IndexReader.open(dirs[i]);
for (int j = 0; j < 1000; j++) {
reader.deleteDocument(rand.nextInt(reader.maxDoc()));
}
reader.close();
}
if (build) {
System.out.println("Building Test Index Complete");
}
System.out.println("Test Start");
IndexReader[] readers = new IndexReader[dirs.length];
for (int i = 0; i < dirs.length; i++) {
readers[i] = IndexReader.open(dirs[i]);
}
IndexReader reader = new MultiReader(readers);
TermDocs docs = reader.termDocs();
for (int i = 0; i < 100; i++) {
for (int j = 0; j < 1000; j++) {
try {
test(reader, docs, Integer.toString(i),
Integer.toString(j));
} catch (Exception e) {
System.err.println("maxdoc=" +
reader.maxDoc());
System.err.println("Test Failed at i="
+ i + " j=" + j);
throw e;
}
}
}
docs.close();
reader.close();
System.out.println("Test Complete");
}
private static void test(IndexReader reader, TermDocs docs, String i,
String j) throws Exception {
docs.seek(new Term("i", i));
while (docs.next())
;
docs.seek(new Term("j", j));
while (docs.next())
;
docs.seek(new Term("i", i));
if (docs.next()) {
int doc = docs.doc();
try {
while (docs.skipTo(doc + 1000)) {
doc = docs.doc();
}
} catch (Exception e) {
System.err.println("doc=" + (doc + 1000) + ":
deleted="
+ reader.isDeleted(doc + 1000));
throw e;
}
}
docs.seek(new Term("j", j));
if (docs.next()) {
int doc = docs.doc();
try {
while (docs.skipTo(doc + 1000)) {
doc = docs.doc();
}
} catch (Exception e) {
System.err.println("doc=" + doc);
throw e;
}
}
}
}
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