Digging in the Solr code: 5 minutes howto

How to quickly debug a custom Apache Solr component (e.g. request handler, query parser, filter) in your favourite IDE.
The example uses IntelliJ but it is valid for any IDE.
Apache Solr: Orchestrating Known item and Full-text search

The Apache Solr Invisible Queries Request Handler
Apache Solr: Give the Height the Right Weight

Quantity detection? What is a quantity? And why do we need to detect it?
In this post we introduce a quantity detection plugin for Apache Solr.
Apache Solr: How To Implement a Search Workflow

In this post we describe an approach for orchestrating a search workflow in Apache Solr using Invisible Queries.
How to Implement a Search workflow in Apache Solr?
Apache Solr: “Exact Match” BATH compliant field

If you want to expose a Z3950 interface for an Information Retrieval sooner or later you will meet the BATH profile, which is basically a set of rules that promotes standards behaviours between Z3950 servers. Aims of those specification is to determine a list of searches (fields, attributes) that should be supported by a Z3950 […]