ok.I understand what you really mean but It doesn't work.
I understand one thing.For example When i try to open an index in the
following location : "RDFIndexLucene/" but the folder doesn't exist,*Lucene
create an empty folder named "RDFIndexLucene"* in my home folder...WHY???
MARCO LAZZARA
2009/5/22 Matthew Hall <mh...@informatics.jax.org>
> For writing indexes?
>
> Well I guess it depends on what you want.. but I personally use this:
>
> (2.3.2 API)
>
> File INDEX_DIR = "/data/searchtool/thisismyindexdirectory"
> Analyzer analyzer = new WhateverConcreteAnalyzerYouWant();
>
> writer = new IndexWriter(/INDEX_DIR/, /analyzer/, true);
>
> Your best bet would be to peruse the API docs of whatever lucene version
> you are using.
>
> However, I'm still pretty sure this ISN'T your actual issue here.
>
> Looking at your "full path" example those still seem to be by reference to
> me. Let me be more specific and tell you EXACTLY what I mean by that,
>
> Lets say you are running your program in the following directory:
>
> /home/test/app/
>
> Trying to open an index like you have below will effectively be trying to
> open an index in the following location:
>
> /home/test/app/home/marco/RdfIndexLucene
>
> What I think you MEAN to be doing is:
>
> /home/marco/RdfIndexLucene
>
> That leading slash is VERY VERY important, as its the entire difference
> between an relative path and an absolute one.
>
> Matt
>
>
> Marco Lazzara wrote:
>
>> I was talking with my teacher.
>> Is it correct to use FSDirectory?Could you please look again at the code
>> I've posted here??
>> Should I choose a different way to Indexing ??
>>
>> Marco Lazzara
>>
>>
>>
>>
>> 2009/5/22 Ian Lea <ian....@gmail.com>
>>
>>
>>
>>> OK. I'd still like to see some evidence, but never mind.
>>>
>>> Next suggestion is the old standby - cut the code down to the absolute
>>> minimum to demonstrate the problem and post it here. I know you've
>>> already posted some code, but maybe not all of it, and definitely not
>>> cut down to the absolute minimum.
>>>
>>>
>>> --
>>> Ian.
>>>
>>>
>>> On Thu, May 21, 2009 at 10:48 PM, Marco Lazzara <marco.lazz...@gmail.com
>>> >
>>> wrote:
>>>
>>>
>>>> _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.
>>>> _
>>>> I try a full path like home/marco/RdfIndexLucene,even
>>>> media/disk/users/fratelli/RDFIndexLucene.But nothing is changed.
>>>>
>>>> MARCOLAZZARA
>>>> _
>>>>
>>>> _
>>>>
>>>>
>>>>> Its been a few days, and we haven't heard back about this issue, can
>>>>> we assume that you fixed it via using fully qualified paths then?
>>>>>
>>>>> Matt
>>>>>
>>>>> Ian Lea wrote:
>>>>>
>>>>>
>>>>>> 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.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>> ---------------------------------------------------------------------
>>>
>>>
>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>>>>>>>> For additional commands, e-mail:
>>>>>>>>>>> java-user-h...@lucene.apache.org
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>> ---------------------------------------------------------------------
>>>
>>>
>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>>>>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> __________ Information from ESET NOD32 Antivirus, version of virus
>>>>>>>>>> signature database 4087 (20090519) __________
>>>>>>>>>>
>>>>>>>>>> The message was checked by ESET NOD32 Antivirus.
>>>>>>>>>>
>>>>>>>>>> http://www.eset.com
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>> __________ Information from ESET NOD32 Antivirus, version of virus
>>>>>>>>> signature database 4087 (20090519) __________
>>>>>>>>>
>>>>>>>>> The message was checked by ESET NOD32 Antivirus.
>>>>>>>>>
>>>>>>>>> http://www.eset.com
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>> ---------------------------------------------------------------------
>>>
>>>
>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>>>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>> ---------------------------------------------------------------------
>>>>>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> __________ Information from ESET NOD32 Antivirus, version of virus
>>>>>>>> signature database 4088 (20090519) __________
>>>>>>>>
>>>>>>>> The message was checked by ESET NOD32 Antivirus.
>>>>>>>>
>>>>>>>> http://www.eset.com
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>> __________ Information from ESET NOD32 Antivirus, version of virus
>>>>>>> signature database 4088 (20090519) __________
>>>>>>>
>>>>>>> The message was checked by ESET NOD32 Antivirus.
>>>>>>>
>>>>>>> http://www.eset.com
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> ---------------------------------------------------------------------
>>>>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>> ---------------------------------------------------------------------
>>>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>> ---------------------------------------------------------------------
>>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> __________ Information from ESET NOD32 Antivirus, version of virus
>>>>> signature database 4093 (20090521) __________
>>>>>
>>>>> The message was checked by ESET NOD32 Antivirus.
>>>>>
>>>>> http://www.eset.com
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> __________ Information from ESET NOD32 Antivirus, version of virus
>>>>
>>>>
>>> signature database 4094 (20090521) __________
>>>
>>>
>>>> The message was checked by ESET NOD32 Antivirus.
>>>>
>>>> http://www.eset.com
>>>>
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>>
>>>>
>>>>
>>>>
>>> ---------------------------------------------------------------------
>>> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
>>> For additional commands, e-mail: java-user-h...@lucene.apache.org
>>>
>>>
>>>
>>>
>>
>>
>>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org
> For additional commands, e-mail: java-user-h...@lucene.apache.org
>
>
