Top "Lucene" questions

The term Lucene refers to the open source Java fulltext search engine library, but also to the entire eco-system that grew around it, including lucene.

Best practices for searchable archive of thousands of documents (pdf and/or xml)

Revisiting a stalled project and looking for advice in modernizing thousands of "old" documents and making them available via web. …

xml pdf lucene full-text-search elasticsearch
no segments* file found

I need to access a lucene index ( created by crawling several webpages using Nutch) but it is giving the error …

java lucene nutch
Lucene: exception - Query parser encountered <EOF> after "some word"

I am working on a classification problem to classify product reviews as positive, negative or neutral as per the training …

java lucene classification query-parser
How to query lucene with "like" operator?

The wildcard * can only be used at the end of a word, like user*. I want to query with a …

java lucene sql-like
Is Solr available for .Net?

I want to learn Solr. May I know some good tutorial/links for it? Also, is Solr available for .NET?

.net lucene solr
JavaFX TextField Auto-suggestions

I want to make this TextField have suggestions feature just like in Lucene. I've searched all the web and I …

javafx autocomplete lucene textfield autosuggest
How to query lucene for empty fields?

I want in 2nd part of my query to have a list of result for while data not null. I …

lucene field
Understanding Segments in Elasticsearch

I was under the assumption that each shard in Elasticsearch is an index. But I read somewhere that each segment …

elasticsearch lucene
Is it possible to iterate through documents stored in Lucene Index?

I have some documents stored in a Lucene index with a docId field. I want to get all docIds stored …

lucene lucene.net
Is using a load balancer with ElasticSearch unnecessary?

I have a cluster of 3 ElasticSearch nodes running on AWS EC2. These nodes are setup using OpsWorks/Chef. My intent …

amazon-web-services elasticsearch amazon-ec2 lucene nosql