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Questions tagged [lucene.net]

Lucene.NET is a source code, class-per-class, API-per-API, algorithmic port of the Java Lucene search engine to the C# and .NET platform utilizing the Microsoft .NET Framework and .NET Standard. NOTE: You should almost always include the [lucene] tag when using this one. The Lucene.NET design is similar to its Java counterpart and you are more likely to get a satisfactory answer when it is included.

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Using List of (T) with Lucene.net in vb.net

i want to use an List to store the title, path,... from Documents. I declared the list like this: Dim MyDocuments As New List(Of Document) But i don't really know how to handle the list. i want to use the list instead of an ReDim Array. For i =…
tim
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Lucene - Querying multiple terms in a field

For simplicity sake, consider two documents with the following fields and values: RecordId: "12345" CreatedAt: "27/02/1992" Event: "Manchester, Dubai, Paris" Event: "Manchester, Rome, Madrid" Event: "Madrid, Sidney" RecordId: "99999" CreatedAt:…
pelican_george
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Is it possible to sort Lucene search results by creation sequence/date?

Simple and straight forward question: Is it possible to sort search results according to their creation sequence/date?Adding a date field and sorting by it would be an option. However, the index already exists and contains a huge set of documents…
pelican_george
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Lucene searching and updating issues

I created a task in scheduled task to update my lucene index. Everything is going well until I searched in my lucene and the task to update the index run at the same time. My Code in Lucene is to delete the old index and create a new one, I know…
Gabriel Llorico
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Orchard Lucene Custom Search Service with Query Grouping and Numeric Range Query

I'm trying to implement my own custom SearchService. As I understand it // If I wanted to query "+name:camera +price:[100 TO 150] +location:thailand" searchBuilder.WithField("name",…
Twisted Whisper
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Lucene.net is not separating keywords from search string

I have implemented a site search feature on a website built on Umbraco CMS. For site search we are using Lucene.net which easily integrates with Umbraco. The search works perfectly if I use a search string with a single keyword. For example there is…
TejSoft
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lucene.net slow when searching on only 500k records

I am using lucene.net for searching product bill details. totally in this 500k (document) records & 6 fields added to created documents. I use lucene.net version 3.0.3.0. public DataSet Search(string criterion, string term) { string indexPath =…
Sharanamma Jekeen
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How to tokenize a text in lucene 3.0.3

I need to translate this code from lucene.net 2.3.2 to 3.0.3. This code works fine in 2.3.2 but in 3.0.3 the method tokenStream.Next() does not return a token but a boolean. What I need to understand is where to read the token object when next()…
FDB
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Lucene - custom analyzer/tokenizer to index JSON key pair values

I'm aiming to store and index JSON key pair values. Ideally I would store them in a constant fieldname. (For simplicity sake, "GRADES") An example of the incoming JSON object: "Data": [{ "Key": "DP01", "Value": "Excellent" },…
pelican_george
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Creating Lucene Index for Sitecore causes "Could not find add method" errors

I have a sitecore 6.2 site that had no lucene indexes besides the system index. I tried to add this new simple index: $(id)
Ed Schwehm
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AzureDirectory Library for Lucene.NET: Performance Issues when indexing

I am trying to use the AzureDirectory library to store a Lucene.NET index on a Azure Cloud Storage account. I am using the following versions: Microsoft.Windows.Azure.Storage 4.3.0.0 Lucene.Net 3.0.3.0 Lucene.Net.Store.Azure 3.0.5553.21100 And…
Stokedout
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Lucene - Custom Analyzer/Parser for JSON objects?

I have a requirement for a very specific Lucene implementation which stores multiple "Properties" fields with deserialized JSON strings. Example: Document: ID: "99" Text: "Lorepsum Ipsum" Properties: "{ "lastModified": "1/2/2015", "user":…
pelican_george
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Lucene non indexed fields, case insensitive search?

Imagine that all documents have the following fields: Field("Id", Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO)); Field("From", Field.Store.YES, Field.Index.NOT_ANALYZED, Field.TermVector.NO)); Field("To", Field.Store.YES,…
pelican_george
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Lucene.net 3.0.5 - Reading uncommited changes, possible?

I'm indexing a sequence of documents with the IndexWriter and commiting the changes at the end of the iteration. However, halfway the iteration I would like to "query" the uncommitted changes using an IndexSearcher. Is this possible with the current…
pelican_george
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Sitecore 8.1 : Lucene.Net.Store.LockObtainFailedException

We have sitecore 8.1 hosted in Azure WEB Apps. The setup is 1xCA and 2xCD and using LUCENE We noticed a error log below which I googled but could not get solution. ManagedPoolThread #12 2015:12:28 23:22:33 ERROR Exception Exception:…
Nil Pun
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