Solr/Crap

Solr is a search engine server that allows for querying via HTTP, JSON, or XML, and returns results in JSON or XML.

I'm trying to use it to create a searchable database of text files.

Installation

Download it and compile it by using Ant (a Java-based make program):

$ wget http://mirror.metrocast.net/apache/lucene/solr/3.6.0/apache-solr-3.6.0-src.tgz

$ tar xzf apache-solr-3.6.0-src.tgz

$ cd apache-solr-3.6.0

$ ant ivy-bootstrap # this installs ivy, an Ant dependency

$ ant compile

It'll take a couple of minutes to finish.

Test

You can test everything by running

$ ant test

Making War

Make a .war file by doing this:

$ cd /path/to/apache-solr-3.6.0/solr

$ ant dist

Again, this will take a while.

Making Example

Make the Ant example by typing

$ cd /path/to/apache-solr-3.6.0/solr

$ ant example

Running Solr

Using Jetty (Defualt)

{{ibox|text="NOTE: The installation process described below is for Solr 3.6 and Tomcat 6.0. Older versions of Solr may require a different installation procedure (see, e.g., http://wiki.apache.org/solr/SolrTomcat)

To run Solr, you have to have a web server running locally. The example that is distributed with Solar is also distribute with Jetty, a lightweight Java web server. After you've finished running the above commands and have made the Solr example, type:

$ java -jar start.jar

This will start the Jetty server and get Solr running from within Jetty. Visiting hlocalhost:8983/solr/admin should look something like this:

Using Tomcat

You can run Solr through Tomcat, another Apache product that is basically a Java-based HTTP server (as opposed to the C-based Apache HTTP server). See the Tomcat page for installation/run instructions for Tomcat.

The Solr installation directory will be denoted $SOLR_HOME. The Solr example should be located in $SOLR_HOME/example/solr.

Copy the .war file (war = web app resource) from ./solr/example/webapps/solr.war