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.
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