Using Eclipse for SOLR development
Follow the below steps to change or add features to SOLR using Eclipse IDE
1. Download desired version of SOLR at https://lucene.apache.org/solr/ with source. File name might look like solr-4.7.0-src.tgz
2. Extract it to folder using 7-zip if windows. Easy to extract in Mac or Unix systems
3. In terminal/cmd go to solr directory (/extract_location/solr-4.7.0)
4. Run "ant eclipse" command to create an eclipse project
5. In Eclipse use File > Import and select General > Existing Projects into Workspace
6. Select root directory as solr extracted diretory (extraction_location/solr-4.7.0) or Browse to the /extracted_location/solr
7. Under Projects you can see solr-4.7.0 checked. Hit Finish
To build and run, read the article below