Solr with Java: A basic hands-on with SolrJ

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What is Apache Solr:

Apache Solr is a search sever that includes the full-text search engine called Apache Lucene. It takes the piece of information (called documents) that are indexed according to the cores. When a query is performed, solr goes through the index and return the matching documents.

Now let’s start the hands-on.

Step 1: Install Solr from the following link.

Step 2: Start the solr on your local.

Go to the directory and on the terminal type:

bin/solr start

Now before we go further,

click here just go through the basic query parameters used in Solr.

Well it’s time to code.

Step 3: Add maven dependency in pom.xml






Step 4: Create an object of SolrClient and initialize it with the URI & port being used (byDefault: 8983).

SolrClient client = new HttpSolrClient("http://my-solr-server:8983/solr");

Step 5: Create an object of SolrQuery

SolrQuery query = new SolrQuery();

query.setParam(CommonParams.QT, coreName); //optional

CommonParams provide the parameters used in Solr. QT stands for query type that selects which Request Handler should handle the request.

For this coreName you can use the following functions. The functioning of the following functions is exactly the same as of the basic parameters used in Solr.

query.add(CommonParams.START, “value”);

query.add(CommonParams.ROWS, “value”);

query.add(CommonParams.FL, “fieldName”);

for asscending

query.add(CommonParams.Q, “fieldName:fieldValue”);

query.add(CommonParams.FQ, “fieldName:fieldValue”);

Step 6: Get the response from Solr

QueryResponse response = client.query(coreName, query);

To get the results from the response use the function


To know the number of rows retrieved use the function


response.getResults() provides documents and it can be traversed using SolrDocument object.

SolrDocument doc = new SolrDocument();

for(doc : response.getResults())

Three basic functions that you need to know for using SolrDocument onject are:




Hope it would be helpful. Go try it out.




Written by 

Anmol Mehta is a Software Consultant having experience of more than 1.5 years. A keen programmer who has experience in Scala and Java. He is recognized as a dedicated and determined team player who enjoys working on new technologies. He is a professional and a technology enthusiast. He believes in the approach that “teamwork makes the dream work”. He is a quick and always-on learner who ensures better quality in every increment of his work. He believes in abiding standard coding practices. He always looks after that the team is working in sync with each other both at the technical and managerial level.

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