I know that Lucene and Solr are 2 differents Apache projects that are made to work together, but I don't understand what is the aim of each project. For what I understood until now is that Lucene i...

I am new to SOLR and MONGODB. I am trying to index data from mongodb into SOLR using DataImportHandler but I could not find the exact steps that I need to follow. Could you please help me in get...

I write my own code to index some data files myself. It was all working. Once I modified the schema.xml file, now i get internal server error that i have no idea how to interpret it. Internal Serv...

let's say for example i need to search for a number of ids, and by looking at the solr/admin page, at the "Make a Query" input form, there is a *:* how am I gonna search a multiple value if it...

My docker-compose.yml: solr: image: solr:8.6.2 container_name: myproject-solr ports: - "8983:8983" volumes: - ./data/solr:/var/solr/data networks: static-network: ipv4_address: 1...

Solr 4 beta is out, the GA version will follow soon. Partial document updates has been around for a while as explained here: http://solr.pl/en/2012/07/09/solr-4-0-partial-documents-update/ However...

I am interested to do web crawling. I was looking at solr. Does solr do web crawling, or what are the steps to do web crawling?

Requirements I need a google like suggestions in a search box. Solr is already a given. The results should look like this: searchterm Alex results Alexander Behling, Alexander Someone ... searchte...

The last option to solve this for me was to ask StackOverflow. I am trying to create a Solr query to get documents that have a specific value on one of its fields OR that does not have a value... ...

I have more then 100 CSV files which have 10000 row which I am indexing. And then querying for spelling is similar spelling. While doing this Indexing is very slow. I have found some good solutio...

I have a mysql database with couple tables, I wanna migrate the mysql data to ElasticSearch. It's easy to migrate the whole database to ES via a batch job. But how should I update ES from mysql rea...

I am trying to create a solr core using this api http://localhost:8983/solr/admin/cores?action=CREATE&name=super&instanceDir=/home/ubuntu/solr-8.8.2/server/solr/super&configSet=stored_f...

i'm having documents with a multivalued field "sharedTo" which contains the groups that the document is shared to. Now I want to find all documents that are shared to at least one of a list of give...

While Importing the data into Solr using DataImportHandler, I am getting the below error. Please someone provide your suggestion. org.apache.solr.common.SolrException: Document is missing mandator...

In apache Solr why do we always need to prefer string field over text field if both solves purposes? How string or text affects the parameters like index size, index read, index creation?

I am trying to figure out my strategy for recovering from a corrupted index. To "get a handle" on how often this may happen I'd primarily like to know the things that can cause an index to become c...

How to update multiple documents in Solr 4.5.1 with JSON? I tried this but it does not work: POST /solr/mycore/update/json: { "commit": {}, "add": { "overwrite": true, "doc": [{ "thumbnail":...

My Solr index contains a multivalued field with duplicate values. How can I remove the duplicates ? Is it possible to overwrite duplicate values into the multivalued field when indexing ? Thanks ...

Solr newbie here. I have created a Solr index and write a whole bunch of docs into it. I can see from the Solr admin page that the docs exist and the schema is fine as well. But when I perform a se...

When I update my composer to add yii2-solr extension to my project, I encounter with an error like below: The "yiisoft/yii2-composer" plugin requires composer-plugin-api 1.0.0, this *WILL* break i...

I need to add search functionality to my Java webapp running on tomcat, along with the database as well on the same machine. Since I'm planning to use Solr on this same machine but which implement...

I am running an application that get search results from solr server. But when server is not running i get no response from the server. Is there any way i can found that my server is not running so...

I found a Blog Post about spring-data reactive repositories. It was mentioned that, it is currently supported for MongoDB, Apache Cassandra and Redis. We are going to use spring-data-solr reposit...

Given the following query: (field:value1 OR field:value2 OR field:value3 OR ... OR field:value50) Can this be broken down into something less verbose? Basically I have hundreds of category IDs, ...

I am trying to extract the metatags of HTML files and indexing them into solr with tika integration. I am not able to extract those metatags with Tika and not able to display in solr. My HTML file...