What is the point of having empty indexes? I don't know for sure
without trying it myself, but perhaps you need to write at least one
document to the index for it to be a valid index? Don't continue
until Luke is happy with your index.
Erik
On Jul 25, 2005, at 7:39 AM, Daniel Cortes wrote:
I have a problem searching in 6 index lucene at same time, i
founded the class MultiSearcher but I think I don't use corretly
because it show me this error:
java.io.IOException: Bad file descriptor
at java.io.RandomAccessFile.seek(Native Method)
at org.apache.lucene.store.FSInputStream.readInternal
(FSDirectory.java:415)
at org.apache.lucene.store.InputStream.readBytes
(InputStream.java:61)
at org.apache.lucene.index.CompoundFileReader
$CSInputStream.readInternal(CompoundFileReader.java:220)
at org.apache.lucene.store.InputStream.refill
(InputStream.java:158)
at org.apache.lucene.store.InputStream.readByte
(InputStream.java:43)
at org.apache.lucene.store.InputStream.readVInt
(InputStream.java:83)
at org.apache.lucene.index.SegmentTermEnum.readTerm
(SegmentTermEnum.java:142)
at org.apache.lucene.index.SegmentTermEnum.next
(SegmentTermEnum.java:115)
at org.apache.lucene.index.TermInfosReader.scanEnum
(TermInfosReader.java:143)
at org.apache.lucene.index.TermInfosReader.get
(TermInfosReader.java:137)
at org.apache.lucene.index.SegmentReader.docFreq
(SegmentReader.java:253)
at org.apache.lucene.search.IndexSearcher.docFreq
(IndexSearcher.java:69)
at org.apache.lucene.search.Similarity.idf(Similarity.java:255)
at org.apache.lucene.search.TermQuery
$TermWeight.sumOfSquaredWeights(TermQuery.java:47)
at org.apache.lucene.search.BooleanQuery
$BooleanWeight.sumOfSquaredWeights(BooleanQuery.java:110)
at org.apache.lucene.search.Query.weight(Query.java:86)
at org.apache.lucene.search.IndexSearcher.search
(IndexSearcher.java:85)
at org.apache.lucene.search.MultiSearcher.search
(MultiSearcher.java:116)
at org.apache.lucene.search.Hits.getMoreDocs(Hits.java:64)
at org.apache.lucene.search.Hits.<init>(Hits.java:43)
at org.apache.lucene.search.Searcher.search(Searcher.java:33)
I have 6 index created by IndexWriter (1 index has something
indexed, but the others are empty (only the segment file)).
If I try to open my indexs with LUKE the index that has something,
don't give me problems and I can see their fields, but the other
empties indexsever reply my: Invalid path, or
not a Lucene index.
My code to use the search is this:
private String[] fields= new String[]
{"TITLE","CONTENTS","DESCRIPTION"};
//This line I don't know what it do, but I don't think that is the
problem
private int[] required=
{MultiFieldQueryParser.NORMAL_FIELD,MultiFieldQueryParser.NORMAL_FIELD
,MultiFieldQueryParser.NORMAL_FIELD};
IndexSearcher[] searchers;
//I initialize searchers and do this;
MultiSearcher searcher = new MultiSearcher(searchers);
Query searcht = MultiFieldQueryParser.parse
("something",fields,required,getTheInstanceOfMyAnalizer());
Hits resul=searcher.search(searcht);
Perhaps don't I create well the indexs?
I do this for every File indexDir
IndexWriter writer;
File dir = new File();
if (dir.isDirectory()) {
writer = new IndexWriter(dir, myAnalyzer, false);
writer.setUseCompoundFile(true);
} else {
dir.mkdirs();
writer = new IndexWriter(dir, myAnalyzer, true);
writer.setUseCompoundFile(true);
}
writer.optimize();
writer.close();
Is it correct,true?
I'm sure that my problem is in MultiSearcher caller, but I can't
see where's my mistake (and not in my english :D) thks in advance.
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