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Lucene > java-user > January 2011

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71 discussions - 365 posts

  • As devs of Lucene/Solr, due to the way ASF mirrors, etc. works, we really don't have a good sense of how people get Lucene and Solr for use in their application. Because of this, there has been some ...
    Grant IngersollGrant Ingersoll
    Jan 18, 2011 at 9:04 pm
    Jan 22, 2011 at 7:28 am
  • What is the "best practice" to support multiple languages, i.e. Lucene-Documents that have multiple language content/fields? Should a) each language be indexed in a seperate index/directory or should ...
    Clemens WyssClemens Wyss
    Jan 18, 2011 at 5:54 pm
    Jan 20, 2011 at 9:56 pm
  • Hi, I'm just migrating our small search customization from Lucene version 2.3 to the current version (3.0.3) and wonder why, in contrast to the old version, we no longer get the Wildcard Queries ...
    Wulf BerschinWulf Berschin
    Jan 25, 2011 at 5:41 pm
    Jan 26, 2011 at 4:43 pm
  • Hi, I need to parse the Java log files with Lucene 3.0.3. The StandardAnalyzer is OK, except it's handling of dots. E.g. it handles "java.lang.NullPointerException" as one word and searching for ...
    Benzion GBenzion G
    Jan 1, 2011 at 5:36 pm
    Jan 4, 2011 at 5:48 pm
  • Dear Luceners, I'm using lucene-3.0.2 in our app. There is some testing code for switching index, however, when my code run a couple of times, I found the index file was locked, I can not delete the ...
    张志田张志田
    Jan 12, 2011 at 10:40 am
    Jan 13, 2011 at 11:01 am
  • Dear All, When using lucene to search documents, the results have a score based on their relativity to the search term. Inside lucene, the score percentage is calculated as a percentage of the ...
    Amr ElAdawyAmr ElAdawy
    Jan 3, 2011 at 7:16 am
    Jan 16, 2011 at 7:32 am
  • Hi, is OpenBitSet / SortedVIntList a compressed bit map index? Which one is better if memory usage is the primary concern ? Our filters are sparse. So is SortedVIntList better in that case? Are there ...
    First LastFirst Last
    Jan 7, 2011 at 7:55 pm
    May 25, 2011 at 2:28 pm
  • Hi, Each night I optimize an index that contains 35 millions docs. Its takes about 1.5 hours. For maintenance reasons, it may happen that the machine gets rebooted. In that case, server gets a chance ...
    V SevelV Sevel
    Jan 21, 2011 at 1:31 pm
    Jan 26, 2011 at 7:17 pm
  • Hi, I am trying to implement a "progressive search" with Lucene. What I mean is that something like what Google does: you type a few letters and google searches for matches as you type. The more ...
    L DupervalL Duperval
    Jan 5, 2011 at 4:39 pm
    Jan 6, 2011 at 1:45 pm
  • I'm building six different indexes in series, at the end of building an index I call optimize() and then close() the writer, then move onto the next one. I build them in series because they are ...
    Paul TaylorPaul Taylor
    Jan 28, 2011 at 9:17 am
    Jan 28, 2011 at 9:31 pm
  • Hello list, has anyone built a log-analyzer based on Lucene? Our logs are so big that grep takes more hours to do what I want it to do. I'm sure Lucene would solve it. Thanks in advance paul ...
    Paul LibbrechtPaul Libbrecht
    Jan 13, 2011 at 12:54 pm
    Jan 14, 2011 at 9:39 am
  • Hi, I've upgraded from 3.00 to 3.0.3 and am now hitting assertion errors from IndexWriter.ReaderPool.commit, at this line: // We invoke deleter.checkpoint below, so we must be Has anyone encountered ...
    Anuj ShahAnuj Shah
    Jan 25, 2011 at 4:18 pm
    Jan 31, 2011 at 5:21 pm
  • Shouldn't these two queries be fine? (from TREC million query track). Should this be entered as a bug? Thanks, Andrew. Cannot parse 'statistics on child labor laws 1930 -': Encountered "<EOF " at ...
    Andrew KaneAndrew Kane
    Jan 24, 2011 at 10:05 pm
    Jan 25, 2011 at 2:42 am
  • Hello all, Does anyone know if it is possible in Lucene to do a query based on the string length of the value of a field? For example, if I wanted all index matches where a specific field like ...
    Camden DailyCamden Daily
    Jan 21, 2011 at 3:16 pm
    Jan 21, 2011 at 5:29 pm
  • Hi, I am new to lucene. Recently I was assigned for some lucene related workitems. Now there is one problem. Before, we use StandardAnalyzer in our application, and our application has been online ...
    黄靖宇黄靖宇
    Jan 21, 2011 at 9:05 am
    Jan 21, 2011 at 1:39 pm
  • Trying to extend MappingCharFilter so that it only changes a token if the length of the token matches the length of singleMatch in NormalizeCharMap (currently the singleMatch just has to be found in ...
    Paul TaylorPaul Taylor
    Jan 20, 2011 at 1:20 pm
    Jan 29, 2011 at 11:09 am
  • Hi all, I'm new to Lucene and have a question about indexing/highlighting of HTML files with Lucene. What I need to do is highlight the hits (terms) in the original HTML file (or get the positions of ...
    Karolina BernatKarolina Bernat
    Jan 24, 2011 at 1:34 pm
    Jan 26, 2011 at 9:53 am
  • Hello everybody, I used a small indexing example from "Lucene in Action" and can run and compile the program under eclipse. If I want to compile and run it by console I get this error: ...
    Alex vBAlex vB
    Jan 25, 2011 at 3:12 pm
    Jan 25, 2011 at 5:31 pm
  • Hello, I have a bunch of text documents formatted like so: keyword1 wt1 keyword2 wt2 keyword3 wt3 I would like to index the documents based on the keywords. When I retrieve (search) for a keyword, I ...
    Chris SchillingChris Schilling
    Jan 24, 2011 at 9:02 pm
    Jan 25, 2011 at 2:42 am
  • (thanks fort he many answers to my initial lucene question "Best practices for multiple languages?") We shall be confronted with the followong problem: due to the very dynamic access rules on our ...
    Clemens WyssClemens Wyss
    Jan 20, 2011 at 7:36 am
    Jan 21, 2011 at 1:58 pm
  • Hi all, I am trying to use *IndexSearcher<http://lucene.apache.org/java/3_0_1/api/core/org/apache/lucene/search/IndexSearcher.html#IndexSearcher%28org.apache.lucene.store.Directory%29 * to retrieve a ...
    Yuhan ZhangYuhan Zhang
    Jan 19, 2011 at 7:03 pm
    Jan 20, 2011 at 1:36 am
  • Hi, We're writing a web application, which naturally needs - "IndexSearcher" when users use our search screen - "IndexWriter" in a background process that periodically updates and optimizes our ...
    Sol myrSol myr
    Jan 13, 2011 at 3:12 pm
    Jan 16, 2011 at 12:22 pm
  • My index contains multivalued filed like and i use whitespaceAnalyzer DOC 1 : ITEMNAME: item 2 name ITEMNAME: movie tickets ITEMNAME: item 1 name so when search for (+ITEMNAME:item +ITEMNAME:movie), ...
    SaileshSailesh
    Jan 11, 2011 at 7:58 am
    Jan 14, 2011 at 7:16 pm
  • Greetings, Is there an easy way to figure out the frequency of words in an index ? I'd like to get, say, the 1000 most often indexed words in order to create an auto-completion cache for my ...
    Matthieu HuinMatthieu Huin
    Jan 14, 2011 at 3:43 pm
    Jan 14, 2011 at 4:32 pm
  • Hi, I am happily using Lucene for several years to offer French lexical analysis tools to university researchers. Today, one of them decided to analyze the use of the French word "or" (meaning "gold" ...
    Benoit MercierBenoit Mercier
    Jan 13, 2011 at 3:38 am
    Jan 14, 2011 at 3:21 am
  • Our business has a need to allow for multiple values for a single field. For example, we have an index of employers where an employer often has multiple ways people refer to it. For example, the ...
    Ryan AylwardRyan Aylward
    Jan 8, 2011 at 12:33 am
    Jan 10, 2011 at 10:16 pm
  • Hi, I have an application that continously indexes 140 documents/s (we commit after each second) using lucene 2.9. at the beginning of the test the index is empty. during the test, I monitored this ...
    V SevelV Sevel
    Jan 19, 2011 at 7:32 am
    Feb 22, 2011 at 11:50 am
  • Hello all, Could you any one guide me what all the various ways we could scale out? 1. Index: Add data to the nodes in round-robin. Search: Query all the nodes and cluster the results using carrot2. ...
    GaneshGanesh
    Jan 21, 2011 at 5:22 am
    Feb 4, 2011 at 6:25 am
  • Hi Under LUCENE-2720 the index format of both trunk and 3x has changed. You should re-index any indexes created with either of these code streams. Shai
    Shai EreraShai Erera
    Jan 23, 2011 at 5:15 am
    Jan 23, 2011 at 7:41 pm
  • Hi, I have couple of questions on filtering result set while performing a search in lucene index : 1) I want to filter the document set returned when searching an index based on a match on a ...
    Amg qasAmg qas
    Jan 22, 2011 at 7:32 pm
    Jan 22, 2011 at 10:00 pm
  • Hi all I've got an Index with a few 100k documents and I want to run a rather complex wildcard (incl. leading wildcards) query on it. The wildcard query takes about 2 seconds to complete. Now, I want ...
    comparis.ch - Roman Baeriswylcomparis.ch - Roman Baeriswyl
    Jan 20, 2011 at 9:50 am
    Jan 22, 2011 at 8:17 pm
  • Dear All, I have two documents. The analyzed and the tokenized contents are mentioned below. *Document 1 :* *when*, null_1, *my*, null_1, money, fund, amount, payment, creditcard, credit, card, ...
    Lahiru SamarakoonLahiru Samarakoon
    Jan 18, 2011 at 12:12 pm
    Jan 18, 2011 at 1:47 pm
  • Hi, I'm maintaining some Lucene-based code, and we're trying to get control over result ordering (users aren't happy with the default). I know how to boost a Field or Document (very useful). But: 1) ...
    Pelit MamaniPelit Mamani
    Jan 16, 2011 at 2:33 pm
    Jan 17, 2011 at 8:46 am
  • Hi, I'm new to Lucene (using 3.0.3), and just started to check out the behavior of the 'optimize()' method (which is quite important for our application). Could it be that 'optimize' cancels out the ...
    Sol myrSol myr
    Jan 10, 2011 at 5:57 pm
    Jan 12, 2011 at 8:35 am
  • I'm trying to: StandardQueryTreeBuilder b = …; b.setBuilder( "myfield", fieldSpecificBuilder); In the debugger I see that the builder is registered in the QueryTreeBuilder's fieldNameBuilders map. ...
    Christopher St JohnChristopher St John
    Jan 8, 2011 at 1:44 am
    Jan 9, 2011 at 4:08 am
  • Hi, I have a single IndexWriter object which I use to update the index. After each update, I'd like to query the index using IndexReader and IndexSearcher objects. When I try to do that I get ...
    Andreas HarthAndreas Harth
    Jan 8, 2011 at 4:31 pm
    Jan 8, 2011 at 5:39 pm
  • Hello, What's a good source to get dictionaries (for spellcorrections) and/or thesaurus (for synonyms) that can be used with Lucene for non-English languages such as Fresh, Chinese, Korean etc? For ...
    Pulkit SinghalPulkit Singhal
    Jan 6, 2011 at 4:54 pm
    Jan 7, 2011 at 9:36 pm
  • Hi, we are calling updateDocument(term, document) method on IndexWriter and after that we are calling close() method of indexWriter. In Close() method i got the following IO exception. ...
    Atul PrajapatiAtul Prajapati
    Jan 3, 2011 at 6:04 am
    Jan 3, 2011 at 1:54 pm
  • Lets' say I have documents with following. id text 1 User not found 2 User not found 3 Address not found 4 Fatal error 5 User not found 6 Address not found 7 User not found How can I get each text ...
    Benzion GBenzion G
    Jan 1, 2011 at 9:32 pm
    Jan 2, 2011 at 8:56 am
  • I have been trying to parse & index different portions of an HTML page using Tika & Lucene. For eg. I would like to index text within <Title , <H1 , <H2 , <A tags of a HTML page separately and ...
    Amg qasAmg qas
    Jan 11, 2011 at 1:55 am
    Feb 25, 2011 at 10:11 pm
  • Hi , I have started to use Lucene for searching in HTML files. Is it possible to get Hits per document, when we search for phrases like "Hello World" and wild card searches like "te?t"? I managed to ...
    Sharma KollaparthiSharma Kollaparthi
    Jan 22, 2011 at 5:47 am
    Jan 30, 2011 at 9:25 pm
  • Hi! I would like to announce RankingAlgorithm. RankingAlgorithm is a new search algorithm that seems to enable Solr to returns results comparable to Google site search results, and much better than ...
    Nagendra NagarajayyaNagendra Nagarajayya
    Jan 27, 2011 at 4:08 pm
    Jan 28, 2011 at 2:49 am
  • hi, i have been searching for getting the term enum for filtered documents... I have index containing fields "group_id" and "user"..i know that we can easily get unique Terms and their count for ...
    EmmadEmmad
    Jan 26, 2011 at 9:59 am
    Jan 26, 2011 at 5:23 pm
  • Hi! My index contains a few (really 7) fields and I need to search by all of them. I use BooleanQuery and seven TermQueries added to this one. Problem: result must to be sorted by max(field.boost), ...
    Dmytro BarabashDmytro Barabash
    Jan 24, 2011 at 8:39 am
    Jan 24, 2011 at 9:32 am
  • Hi, I have two question regarding phrase query : 1) How can I execute a phrase query over multiple fields ? I can only get PhraseQuery to work over a single field - For eg something like this : ...
    Amg qasAmg qas
    Jan 20, 2011 at 3:14 am
    Jan 22, 2011 at 6:56 pm
  • Hi, We're trying to create a large index via solr for trends and notice that we have a large '.frq' file after doing the following: make all text fields index="true", stored="false", ...
    Dan suttonDan sutton
    Jan 18, 2011 at 12:13 pm
    Jan 18, 2011 at 4:11 pm
  • Hi All, i have my own query parser which generates fuzzy/wildcard queries instances. It works fantastic, Lucene rocks ;-). But i have to make sure the words are not to far apart. I checked current ...
    Livia HauserLivia Hauser
    Jan 16, 2011 at 5:42 pm
    Jan 17, 2011 at 7:51 am
  • Hi all. I discovered there is a normalise filter now, using ICU's Normalizer2 (org.apache.lucene.analysis.icu.ICUNormalizer2Filter). However, as this is a filter, various problems can result if used ...
    TrejkazTrejkaz
    Jan 17, 2011 at 12:37 am
    Jan 17, 2011 at 1:54 am
  • Hi Lucene Users, I work on a product with several thousand clients. We use Lucene to index various client data and make the functionality available as part of our product. Currently, each client has ...
    Sean JoyceSean Joyce
    Jan 13, 2011 at 5:58 pm
    Jan 15, 2011 at 8:50 am
  • As recommended, I use just one Index Searcher on my multithreaded GUI app using a singleton pattern If data is modified in the index I then close the reader and searcher, and they will be recreate on ...
    Paul TaylorPaul Taylor
    Jan 13, 2011 at 8:22 pm
    Jan 14, 2011 at 7:00 am
Jan 2011
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133 users for January 2011

Erick Erickson: 16 posts Uwe Schindler: 16 posts Benzion G: 14 posts Ian Lea: 14 posts Michael McCandless: 13 posts Paul Libbrecht: 13 posts Sol myr: 9 posts Ahmet Arslan: 8 posts Amr ElAdawy: 8 posts Umesh Prasad: 8 posts Wulf Berschin: 8 posts Karolina Bernat: 6 posts Robert Muir: 6 posts Yuhan Zhang: 6 posts 张志田: 6 posts Amg qas: 5 posts Anshum: 5 posts Bill Janssen: 5 posts L Duperval: 5 posts Paul Taylor: 5 posts
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