Hello,
I'm using Lucene 2.3.2 and had no problems untill now.
But now I got an corrupt index. When searching, a java.lang.OutOfMemoryError is
thrown. I've wrote the following test program:
private static void search(String index, String query) throws
CorruptIndexException, IOException, ParseException
{
IndexReader reader = IndexReader.open(index);
//reader.setTermInfosIndexDivisor(10);
Collection col = Reader.getFieldNames(IndexReader.FieldOption.INDEXED);
Iterator it = col.iterator();
String[] fields = new String[col.size()];
int i = 0;
while(it.hasNext())
{
fields[i] = (String)it.next();
System.out.println("field["+i+"]: "+fields[i]);
i++;
}
Analyzer analyzer = new StandardAnalyzer();
MultiFieldQueryParser parser = new MultiFieldQueryParser(fields,
analyzer);
parser.setAllowLeadingWildcard(true);
Query quer = parser.parse(query);
System.out.println("Query: "+quer.toString());
quer = quer.rewrite(reader);
System.out.println("rewritten Query: "+quer.toString());
reader.close();
}
If reader.setTermInfosIndexDivisor() is commented out, the stacktrace looks
like this:
Exception in thread "main" java.lang.OutOfMemoryError: Java heap space
at
org.apache.lucene.index.TermInfosReader.ensureIndexIsRead(TermInfosReader.java:155)
at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:202)
at
org.apache.lucene.index.TermInfosReader.terms(TermInfosReader.java:277)
at org.apache.lucene.index.SegmentReader.terms(SegmentReader.java:643)
at org.apache.lucene.search.PrefixQuery.rewrite(PrefixQuery.java:42)
at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:385)
at diplom.lucene.Index.search(Index.java:59)
at diplom.lucene.Index.main(Index.java:28)
The index has a size of 59 MB, so it is weird to get an OutOfMemoryException.
So with reader.setTermInfosIndexDivisor() set to 10, the stacktrace looks like:
java.lang.IndexOutOfBoundsException: Index: 103, Size: 54
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:260)
at org.apache.lucene.index.FieldInfos.fieldName(FieldInfos.java:249)
at org.apache.lucene.index.TermBuffer.read(TermBuffer.java:68)
at
org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:123)
at
org.apache.lucene.index.TermInfosReader.ensureIndexIsRead(TermInfosReader.java:159)
at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:202)
at
org.apache.lucene.index.TermInfosReader.terms(TermInfosReader.java:277)
at org.apache.lucene.index.SegmentReader.terms(SegmentReader.java:643)
at org.apache.lucene.search.PrefixQuery.rewrite(PrefixQuery.java:42)
at org.apache.lucene.search.BooleanQuery.rewrite(BooleanQuery.java:385)
at diplom.lucene.Index.search(Index.java:59)
at diplom.lucene.Index.main(Index.java:28)
CheckIndex prints the following:
Segments file=segments_1zrx5 numSegments=1 version=FORMAT_SHARED_DOC_STORE
[Lucene 2.3]
1 of 1: name=_5pa8 docCount=117378
compound=true
numFiles=1
size (MB)=57,573
no deletions
test: open reader.........OK
test: fields, norms.......OK [54 fields]
test: terms, freq, prox...FAILED
WARNING: would remove reference to this segment (-fix was not specified);
full exception:
java.lang.IndexOutOfBoundsException: Index: 110, Size: 54
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:260)
at org.apache.lucene.index.FieldInfos.fieldName(FieldInfos.java:249)
at org.apache.lucene.index.TermBuffer.read(TermBuffer.java:68)
at
org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:123)
at org.apache.lucene.index.CheckIndex.check(CheckIndex.java:182)
at diplom.lucene.Index.check(Index.java:67)
at diplom.lucene.Index.main(Index.java:28)
WARNING: 1 broken segments detected
WARNING: 117378 documents would be lost if -fix were specified
NOTE: would write new segments file [-fix was not specified]
Index correct: false
Recreating the index didn't solve the problem. And I have no idea for solving
it, so every help is greatly appreciated.
Thanks in advance.
Rene
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