Search Discussions

103 discussions - 425 posts

  • Our current search implementation (based on 2.4.0) uses a collector extending the TopDocCollector class public class MyHitCollector extends TopDocsCollector { private IndexReader indexReader; private ...
    Jan 23, 2013 at 11:19 pm
    Mar 8, 2013 at 5:56 pm
  • We have an existing application which uses Lucene 2.4.0 version. We are thinking of upgrading it to alatest version (4.0). I am not sure the process involved in upgrading to latest version. Is it ...
    Jan 9, 2013 at 7:05 pm
    Jan 12, 2013 at 9:22 am
  • Hi all, I'm trying to develop faceted search using lucene 4.0 faceting framework. In our project we are searching on multiple indexes using lucene MultiReader. How should we use the faceted framework ...
    Nicola BusoNicola Buso
    Jan 21, 2013 at 3:00 pm
    Apr 9, 2013 at 4:51 pm
  • Is there any doc on how many files that lucene generates during indexing (with 4.0) and what are those files? Once we migrate to 4.0, we would need to validate looking at the index directory if the ...
    Jan 24, 2013 at 4:42 pm
    Jan 30, 2013 at 8:58 pm
  • I'm trying to access Lucene4 from Railo (an open-source application server) when I try to create an IndexWriterConfig I get the error: Cannot instantiate SPI class ...
    Igal @ getRailo.orgIgal @ getRailo.org
    Jan 9, 2013 at 3:54 am
    Jan 9, 2013 at 7:00 pm
  • Hi guys, After hearing a lot about the CompressingStoredFieldsFormat i have done some tests to find whether it has benefits for my indexes. I have around 40 Stored fields of each say 40 chars and ...
    Arun kArun k
    Jan 29, 2013 at 1:21 pm
    Feb 1, 2013 at 5:49 am
  • Hi, how to update the index for the fields of user defined type. we are using oracle database , stored procedure to return user defined type. i dont find a field to map the fields returned. please ...
    Jan 29, 2013 at 3:14 am
    Jan 29, 2013 at 5:00 pm
  • Hello All , we are using Lucune 3.6.2 in our web application on tomcat 5.5 and recently we started testing our application on tomcat 7, unfortunately we seem to encounter a memory link in Lucune's ...
    Alon MuchnickAlon Muchnick
    Jan 2, 2013 at 1:26 pm
    Jan 4, 2013 at 1:51 pm
  • Hi All, I’m working on several projects requiring powerful search features. I’ve been waiting for Lucene 4 since I read Michael McCandless's blog post about Lucene’s new FuzzyQuery and finally I got ...
    George KelvinGeorge Kelvin
    Jan 28, 2013 at 10:37 pm
    Jan 30, 2013 at 6:06 pm
  • Hello, I cannot extract document term vectors from an index, and have not turned up much in some determined googling. In short, when I call IndexReader.getTermVector(docID, field) or ...
    Jon StewartJon Stewart
    Jan 17, 2013 at 5:52 am
    Jan 18, 2013 at 3:46 pm
  • Hi, Anyone Used the Naive Bayesian Classifier? It will be really helpful if some one Can post how to use the classifiers in Lucene .. -- Thanks and Regards Vignesh Srinivasan 9739135640 ...
    Jan 14, 2013 at 1:54 pm
    Jan 15, 2013 at 10:47 am
  • DoesLucene StandardAnalyzer work for all the languagues for tokenizing before indexing (since we are using java, I think the content is converted to UTF-8 before tokenizing/indeing)? or do we need to ...
    Jan 8, 2013 at 7:30 pm
    Jan 9, 2013 at 6:25 pm
  • I want to index the document content( such as PDF/word/excel) and am just wondering if there are any good readers that I can use to integrate into Lucene 4.0. Any pointers/example code is ...
    Jan 25, 2013 at 10:54 pm
    Feb 5, 2013 at 9:18 pm
  • Hi all, I'm introducing Lucene faceted search in our project and I need some hints to achieve some functionalities: - I want facet filtering in OR, how to? - obtain facets for the filtered results ...
    Nicola BusoNicola Buso
    Jan 24, 2013 at 5:23 pm
    Jan 29, 2013 at 5:16 pm
  • Hi. I've created a custom analyzer that treats special characters just like any other. The index works fine all the time even when the query includes special characters, except when the special ...
    Hankyu KimHankyu Kim
    Jan 10, 2013 at 12:09 pm
    Jan 14, 2013 at 12:08 pm
  • Hello, We are trying to upgrade from lucene 4.0 to 4.1. Our indexes were written using Pulsing40PostingsFormat, which doesn't seem to be supported in 4.1. For writing new indexes, we can switch to ...
    Sean BridgesSean Bridges
    Jan 29, 2013 at 10:49 pm
    Jan 30, 2013 at 8:05 pm
  • Hi guys, I am new to Lucene and for isStored method for interface Fieldable ( http://lucene.apache.org/core/old_versioned_docs/versions/3_0_3/api/core/index.html), what are the logical meanings for ...
    Lin MaLin Ma
    Jan 25, 2013 at 4:59 pm
    Jan 26, 2013 at 4:03 pm
  • While upgrading from one version to another version ( in our case : 2.4 - 4.0). Do we need to flush out the existing search index directory and rebuild new one. What are the best practices here? Are ...
    Jan 23, 2013 at 12:30 am
    Jan 23, 2013 at 9:41 pm
  • I am new to lucene and am trying to understand what is the impact on the search in using Field.Store.NO vs Field.Store.YES. I know the earlier does not store the value in the index and later stores ...
    Jan 10, 2013 at 11:17 pm
    Jan 11, 2013 at 1:29 pm
  • Hi, I am looking to get a combination of multiple subqueries. What I want to do is to have two queries which have to be near one to another. As an example: Query1: (A AND (B OR C)) Query2: D Then I ...
    Michel ConradMichel Conrad
    Jan 17, 2013 at 4:02 pm
    Jan 18, 2013 at 8:44 am
  • now i index very many email file, aboule 50m and every email file size about 4-50k. the index lib size is aboule 1TB, segment size is only. In this index lib, which blocksize should i shoose? 4k or ...
    Jan 9, 2013 at 8:51 am
    Jan 10, 2013 at 12:35 pm
  • I keep getting an NPE when trying to add a Doc to an IndexWriter. I've minimized my code to very basic code. what am I doing wrong? pseudo-code: Document doc = new Document(); TextField ft; ft = new ...
    Igal @ getRailo.orgIgal @ getRailo.org
    Jan 10, 2013 at 12:54 am
    Jan 10, 2013 at 3:15 am
  • Dear all, Would be glad to know on which branch of lucene is the development happening on version 4.1. Would be glad if you can share the repo URL, we are testing out certain features of 4.1 ...
    Ramprakash RamamoorthyRamprakash Ramamoorthy
    Jan 2, 2013 at 9:57 am
    Jan 5, 2013 at 7:15 am
  • Hi, for our project, we have to implement a custom query language that does have much in common with the built-in Lucene query language. We have a formal grammar for that language, formalized with ...
    Carsten SchnoberCarsten Schnober
    Jan 28, 2013 at 3:44 pm
    Jan 30, 2013 at 4:12 pm
  • I have three data I want to store, search, and restore. It is for logging IRC messages. NICK time=the number of seconds passed since the epoch, 1970-01-01 00:00:00 UTC+0 network= me=0 or 1 old= new= ...
    Jan 24, 2013 at 1:11 pm
    Jan 25, 2013 at 1:41 pm
  • hello, as we know, we can add payload to a term, but whether can we add extra custom info into a field ? such the description of the field, which is the property shared by thd field of all ...
    Jan 6, 2013 at 7:18 am
    Jan 25, 2013 at 9:18 am
  • Hi, I'm using the 3.6.1 Chinese analyzer and when tokenizing some Chinese words containing CJK Unified Ideographs Extension B characters, the resulting tokens do not contain the original words ...
    Jerome LannelucJerome Lanneluc
    Jan 24, 2013 at 2:26 pm
    Jan 24, 2013 at 9:59 pm
  • Hi, I run a Lucene application on Tomcat. The app will try to open a Linux directory, and sometime returns CorruptIndexException error. Shortly after I restart Tomcat (nothing else changes), the app ...
    Jan 22, 2013 at 1:20 pm
    Jan 24, 2013 at 9:47 am
  • I want to replicate an index from multiple replicas at the same time. Those replicas have been given the same documents and at the same order. Will the files be the same across all replicas? -- ...
    Apostolis XekoukoulotakisApostolis Xekoukoulotakis
    Jan 18, 2013 at 3:40 pm
    Jan 22, 2013 at 12:08 pm
  • Hi, I have created simple tool for recovering data from corrupted storage files in lucene (*.fdt). Code is available here http://pastebin.com/nmF0j4np you just have to implement method ...
    Michał BrzezickiMichał Brzezicki
    Jan 18, 2013 at 5:38 pm
    Jan 21, 2013 at 5:39 pm
  • I have searched this mailing list but I could not find the answer to the following problem. I'm using the 3.6.1 Japanese analyzer and it seems that when tokenizing some Japanese words, some ...
    Jerome LannelucJerome Lanneluc
    Jan 18, 2013 at 1:29 pm
    Jan 18, 2013 at 3:18 pm
  • I was using lucene 3.6 and my function worked well. After I changed the version of lucene to 4.0 and did some adjustments and my function is not working. Someone tell me what do you know I'm doing ...
    Jan 9, 2013 at 2:05 pm
    Jan 9, 2013 at 5:13 pm
  • Hello. I have some questions. Document 1 : "learning perl learning java learning ruby" Document 2 : "perl test" I have indexed this documents, with StoreTermVectors(true) and ...
    Jan 4, 2013 at 7:39 am
    Jan 7, 2013 at 2:23 pm
  • Hello, After reading the facet help document of Lucene 4, I can see it helps for a folder structure like faceting. I would like to have a multi-level/multiple faceting in my application. Let me ...
    Ramprakash RamamoorthyRamprakash Ramamoorthy
    Jan 25, 2013 at 10:13 am
    Feb 1, 2013 at 9:52 am
  • In short, you put in a term like "Lucene", and The ideal output would be "solr", "index", "full-text search", and so on. How to make it ? to find the related words. thx My idea is to use FuzzyQuery, ...
    Jan 30, 2013 at 5:28 pm
    Jan 31, 2013 at 1:16 am
  • Hello, In my index, I have documents identified by a field with their unique identifier. Now, I tried to delete documents having such a unique identifier using deleteDocuments(Term t). If I test the ...
    Bernd MüllerBernd Müller
    Jan 30, 2013 at 1:28 pm
    Jan 30, 2013 at 2:31 pm
  • Hi, I have a FacetRequest with numResults setted to 10, how can I specify additional facets value to add to the FacetResult? I try to explain the use-case: - the user view 10 facet result - the ...
    Nicola BusoNicola Buso
    Jan 29, 2013 at 5:30 pm
    Jan 30, 2013 at 9:51 am
  • Hi people, I'm pretty new to Lucene, but with the help of the mighty google (wich knows everything) I was able to implement a text+faceted search, with progressive refinement. The problem is that I ...
    Jorge RiquelmeJorge Riquelme
    Jan 25, 2013 at 4:28 pm
    Jan 29, 2013 at 1:02 am
  • Hi, I have a search workload that focuses on two fields in my 1GB index. I get very good performance when loaded the index via MmapDirectory. I attribute this performance to the Operating System File ...
    Gili NachumGili Nachum
    Jan 23, 2013 at 1:01 pm
    Jan 26, 2013 at 6:00 pm
  • I have been using Lucene since 1.x days, but that also means I am carrying around some information that is no longer relevant and using techniques that are antiquated. I am currently using 3.0 but I ...
    Andrew GilmartinAndrew Gilmartin
    Jan 25, 2013 at 4:16 pm
    Jan 25, 2013 at 9:57 pm
  • What file handlers did you guy refer to? I opened the index directory only. Is this the file handler? Also, how to safely and effectively close the index directory? I found the link's explanation ...
    Jan 24, 2013 at 6:41 pm
    Jan 25, 2013 at 1:26 pm
  • Hello, In the lucene 4.1 release, there was introduced a compression for stored fields as described here: https://issues.apache.org/jira/browse/LUCENE-4226 In the java-docs, I don't really find any ...
    Bernd MüllerBernd Müller
    Jan 24, 2013 at 8:30 am
    Jan 24, 2013 at 1:12 pm
  • In 2.4, we are creating the IndexWriter in the following below way: IndexWriter indexWriter = new IndexWriter(directory, stAnalyzer, create, IndexWriter.MaxFieldLength.LIMITED) ...
    Jan 23, 2013 at 8:05 pm
    Jan 24, 2013 at 9:59 am
  • We are using the following below method with Lucene 2.4.0 public void search(Weight weight, Filter filter, HitCollector results) throws IOException We are upgrading to the latest version and looking ...
    Jan 22, 2013 at 11:27 pm
    Jan 23, 2013 at 5:35 am
  • Hello! I want to perform search queries like this one: word:"dog" \1 word:"runs" (\3 \10) word:"cat" It is thus something like SpanNearQuery, but with two boundaries - minimum and maximum distance ...
    Igor ShalyminovIgor Shalyminov
    Jan 18, 2013 at 4:14 pm
    Jan 18, 2013 at 7:54 pm
  • Hi, Has anyone tried to implement circumfix suggesters, where the suggestion is a circumfix of the lookup string? E.g. "sox rumor" suggests "boston red sox rumors" (try it on google.com). I think ...
    Oliver ChristOliver Christ
    Jan 16, 2013 at 9:28 pm
    Jan 17, 2013 at 1:56 pm
  • Hello! I've checked out Lucene trunk from svn, and the build's version appears to be 5.0-SNAPSHOT. My goal is to use Lucene for my needs with probable source code changes. That's why I want to use ...
    Igor ShalyminovIgor Shalyminov
    Jan 14, 2013 at 4:27 pm
    Jan 14, 2013 at 5:07 pm
  • I have been Googling for an hour with no success whatsoever about how to configure Lucene (Elasticsearch, actually, but presumably the same deal) to index edge ngrams for typeahead. I don't really ...
    C. Benson ManicaC. Benson Manica
    Jan 4, 2013 at 9:30 pm
    Jan 5, 2013 at 6:26 am
  • We are using StandardAnalyzer for indexing some Japanese Keywords. It works fine so far but just wanted to confirm if the StandardAnalyzer can fully support it ( I have read somewhere in Lucene In ...
    Jan 10, 2013 at 7:20 pm
    Jul 23, 2014 at 1:06 am
  • SearcherManager mgr = new SearcherManager(dir, new MySearchWarmer());Can I put null as the second parameter in the SearcherManager constructor?If not, how to create a MySearchWarmer instance? The ...
    Jan 25, 2013 at 2:30 pm
    Jan 25, 2013 at 4:11 pm
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Saisantoshi: 39 posts Michael McCandless: 35 posts Ian Lea: 34 posts Igal Sapir: 20 posts Uwe Schindler: 15 posts Jack Krupansky: 14 posts Nicola Buso: 13 posts Shai Erera: 11 posts Steve Rowe: 11 posts Zhoucheng2008: 8 posts Alon Muchnick: 7 posts Denis Bazhenov: 7 posts Wgggfiy: 7 posts Apostolis Xekoukoulotakis: 6 posts Hankyu Kim: 6 posts Igor Shalyminov: 6 posts Jerome Lanneluc: 6 posts 장용석: 5 posts Adrien Grand: 5 posts Andrew Gilmartin: 5 posts
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