Marco
You haven't answered Matt's question about where you are running it
from. Tomcat's default directory may well not be the same as yours.
I strongly suggest that you use a full path name and/or provide some
evidence that your readers and writers are using the same directory
and thus lucene index.
--
Ian.
On Wed, May 20, 2009 at 9:59 AM, Marco Lazzara <marco.lazz...@gmail.com> wrote:
> I've posted the indexing part,but I don't use this in my app.After I
> create the index,I put that in a folder like /home/marco/RDFIndexLucece
> and when I run the query I'm only searching (and not indexing).
>
> String[] fieldsearch = new String[] {"name", "synonyms", "propIn"};
> //RDFinder rdfind = new RDFinder("RDFIndexLucene/",fieldsearch);
> TreeMap<Integer, ArrayList<String>> paths;
> try {
> this.paths = this.rdfind.Search(text, "path");
> } catch (ParseException e1) {
> e1.printStackTrace();
> } catch (IOException e1) {
> e1.printStackTrace();
> }
>
> Marco Lazzara
>> Sorry, anyhow looking over this quickly here's a summarization of what
>> I see:
>>
>> You have documents in your index that look like the following:
>>
>> name which is indexed and stored.
>> synonyms which are indexed and stored
>> path, which is stored but not indexed
>> propin, which is stored and indexed
>> propinnum, which is stored but not indexed
>> and ... vicinity I guess which is stored but not indexed
>>
>> For an analyzer you are using Standard analyzer (which considering all
>> the Italian? is an interesting choice.)
>>
>> And you are opening your index using FSDirectory, in what appears to
>> be a by reference fashion (You don't have a fully qualified path to
>> where your index is, you are ASSUMING that its in the same directory
>> as this code, unless FSDirectory is not implemented as I think it is.)
>>
>> Now can I see the consumer code? Specifically the part where you are
>> opening the index/constructing your queries?
>>
>> I'm betting what's going on here is you are deploying this as a war
>> file into tomcat, and its just not really finding the index as a
>> result of how the war file is getting deployed, but looking more
>> closely at the source code should reveal if my suspicion is correct here.
>>
>> Also runtime wise, when you run your standalone app, where
>> specifically in your directory structure are you running it from?
>> Cause if you are opening your index reader/searcher in the same way as
>> you are creating your writer here, I'm pretty darn certain that will
>> cause you problems.
>>
>> Matt
>>
>>
>>
>> Marco Lazzara wrote:
>>> _Could you further post your Analyzer Setup/Query Building code from
>>> BOTH apps. _
>>>
>>> there is only one code.It is the same for web and for standalone.
>>> And it is exactly the real problem!!the code is the same,libraries are
>>> the same,query index etc etc. are the same.
>>>
>>> This is the class that create index
>>>
>>>
>>> public class AlternativeRDFIndexing {
>>> private Analyzer analyzer;
>>> private Directory directory;
>>> private IndexWriter iwriter;
>>> private WordNetSynonymEngine wns;
>>> private AlternativeResourceAnalysis rs;
>>> public ArrayList<String> commonnodes;
>>> //private RDFinder rdfind = new RDFinder("RDFIndexLucene/",new
>>> String[] {"name"});
>>> // public boolean Exists(String node) throws ParseException,
>>> IOException{
>>> // // return rdfind.Exists(node);
>>> // }
>>> public AlternativeRDFIndexing(String inputfilename) throws
>>> IOException, ParseException{
>>> commonnodes = new ArrayList<String>();
>>> // bisogna istanziare un oggetto per fare analisi sul
>>> documento rdf
>>> rs = new AlternativeResourceAnalysis(inputfilename);
>>>
>>> ArrayList<String> nodelist = rs.getResources();
>>> int nodesize = nodelist.size();
>>> ArrayList<String> sourcelist = rs.getsource();
>>> int sourcesize = sourcelist.size();
>>> //sinonimi
>>> wns = new WordNetSynonymEngine("sinonimi/");
>>> //creazione di un analyzer standard
>>> analyzer = new StandardAnalyzer();
>>>
>>> //Memorizza l'indice in RAM:
>>> //Directory directory = new RAMDirector();
>>> //Memorizza l'indice su file
>>> directory = FSDirectory.getDirectory("RDFIndexLucene/");
>>> //Creazione istanza per la scrittura dell'indice
>>> //Tale istanza viene fornita di analyzer, di un boolean per
>>> indicare se ricreare o meno da zero
>>> //la struttura e di una dimensione massima (o infinita
>>> IndexWriter.MaxFieldLength.UNLIMITED)
>>> iwriter = new IndexWriter(directory, analyzer, true, new
>>> IndexWriter.MaxFieldLength(25000));
>>> //costruiamo un indice con solo n documenti: un
>>> documento per nodo
>>> for (int i = 0; i < nodesize; i++){
>>> Document doc = new Document();
>>> //creazione dei vari campi
>>> // ogni documento avrˆ
>>> // un campo name: nome del nodo
>>> // indicazione di memorizzazione(Store.YES) e indicizzazione
>>> con analyzer(ANALYZED)
>>> String node = nodelist.get(i);
>>> //if (sourcelist.contains(node)) break;
>>> //if (rdfind.Exists(node)) commonnodes.add(node);
>>> Field field = new Field("name", node,
>>> Field.Store.YES,Field.Index.ANALYZED);
>>> //Aggiunta campo al documento
>>> doc.add(field);
>>> //Aggiungo i sinonimi
>>> String[] nodesynonyms = wns.getSynonyms(node);
>>> for (int is = 0; is < nodesynonyms.length; is++) {
>>> field = new Field("synonyms",
>>> nodesynonyms[is],
>>> Field.Store.YES,Field.Index.ANALYZED);
>>> //Aggiunta campo al documento
>>> doc.add(field);
>>> }
>>> // uno o piu campi path_i: path minimali dalle
>>> sorgenti al nodo
>>> // non indicizzati
>>> for (int j = 0; j < sourcesize; j++) {
>>> String source = sourcelist.get(j);
>>> ArrayList<LinkedList<String>> path = new
>>> ArrayList<LinkedList<String>>();
>>> try{
>>> if ((source.equals(node)) ||
>>> (sourcelist.contains(node))){
>>> field = new Field("path", "null", Field.Store.YES,
>>> Field.Index.NO);
>>> doc.add(field);
>>> }
>>> else{
>>> path = rs.getPaths(source, node);
>>> for (int ii = 0; ii < path.size(); ii++) {
>>> String pp = rs.getPath(path.get(ii));
>>> field = new Field("path", pp, Field.Store.YES,
>>> Field.Index.NO);
>>> doc.add(field); }
>>> }
>>> }
>>> catch (IllegalArgumentException e){
>>> System.out.println("source: "+source+ " node: "+node);
>>> field = new Field("path", "null", Field.Store.YES,
>>> Field.Index.NO);
>>> doc.add(field);
>>> }
>>> }
>>> // proprietˆ entranti
>>> // indicizzati
>>> //versione con i sinonimi
>>> ArrayList<String> y = rs.getInProperty(node);
>>> if (y != null) {
>>>
>>> for (int j = 0; j < y.size(); j++) {
>>> String propin = y.get(j);
>>> field = new Field("propIn", propin, Field.Store.YES,
>>> Field.Index.ANALYZED);
>>> doc.add(field);
>>> String[] propinsynonyms = wns.getSynonyms(propin);
>>> for (int is = 0; is < propinsynonyms.length;
>>> is++) {
>>> field = new Field("propIn",
>>> propinsynonyms[is],
>>> Field.Store.YES,Field.Index.ANALYZED);
>>> //Aggiunta campo al documento
>>> doc.add(field);
>>> }
>>> }
>>> // un campo num_propIn: numero di proprietˆ
>>> entranti
>>> // non indicizzato
>>> String num_propIN = String.valueOf(y.size());
>>> field = new Field("num_propIn", num_propIN,
>>> Field.Store.YES,
>>> Field.Index.NO);
>>> doc.add(field);
>>> }
>>> else {
>>> String num_propIN = String.valueOf(0);
>>> field = new Field("num_propIn",
>>> num_propIN,
>>> Field.Store.YES, Field.Index.NO);
>>> doc.add(field);
>>> }
>>> // i vicini del nodo
>>> ArrayList<String> v = rs.getVicini(node);
>>> if (v != null) {
>>>
>>> for (int j = 0; j < v.size(); j++) {
>>> String vicino = v.get(j);
>>> field = new Field("vicini", vicino, Field.Store.YES,
>>> Field.Index.ANALYZED);
>>> doc.add(field); }
>>> }
>>> //aggiunta documento
>>> all'indice
>>> iwriter.addDocument(doc);
>>> }
>>> iwriter.close();
>>> directory.close();
>>> }
>>> public int getNR(){
>>> return rs.NumResource();
>>> }
>>>
>>>
>>> }
>>>
>>> MARCO LAZZARA
>>>
>>>
>>>> Things that could help us immensely here.
>>>>
>>>> Can you post your indexReader/Searcher initialization code from your
>>>> standalone app, as well as your webapp.
>>>>
>>>> Could you further post your Analyzer Setup/Query Building code from
>>>> both apps.
>>>>
>>>> Could you further post the document creation code used at indexing
>>>> time? (Which analyzer, and which fields are indexed/stored)
>>>>
>>>> Give us this, and I'm pretty darn sure we can nail down your issue.
>>>>
>>>> Matt
>>>>
>>>> Ian Lea wrote:
>>>>
>>>>>> ...
>>>>>> There are no exceptions.When I run the query a new shell is
>>>>>> displayed but
>>>>>> with no result.
>>>>>>
>>>>> New shell?
>>>>>
>>>>>
>>>>>
>>>>>> _*Are you sure the index is the same - what do IndexReader.maxDoc(),
>>>>>> numDocs() and getVersion() say, standalone
>>>>>> and in tomcat?
>>>>>>
>>>>>> *_What do you mean with this question??
>>>>>>
>>>>> IndexReader ir = ...
>>>>> System.out.printf("maxDoc=%s, ...", ir.maxDoc(), ...);
>>>>>
>>>>> and run in tomcat and standalone. To absolutely confirm you're
>>>>> looking at the same index, and it has documents, etc.
>>>>>
>>>>>
>>>>> --
>>>>> Ian.
>>>>>
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