mirror of https://github.com/apache/lucene.git
89 lines
3.7 KiB
XML
89 lines
3.7 KiB
XML
<?xml version="1.0"?>
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<document>
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<properties>
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<author email="acoliver@apache.org">Andrew C. Oliver</author>
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<title>Jakarta Lucene - Building and Installing the Basic Demo</title>
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</properties>
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<body>
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<section name="About this Document">
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<p>
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This document is intended as a "getting started" guide to installing and running the
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Jakarta Lucene web application demo. This guide assumes that you have read the
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information in the previous two examples or already know it anyhow. We'll use
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Tomcat 4.0.1 as our reference web container. These demos should work with nearly
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any container, but it is up to you to adapt them appropriately.
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</p>
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</section>
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<section name="About the Demos">
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<p>
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The Lucene Web Application demo is a template web application intended for deployment
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on Tomcat or a similar web container. It's NOT designed as a "best practices"
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implementation by ANY means. Its more of a "hello world" type Lucene Web App.
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The purpose of this application is to demonstrate Lucene. With that being said,
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it should be relatively simple to create a small searchable website in Tomcat or
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a similar application server.
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</p>
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</section>
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<section name="Indexing Files">
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<p>
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Once you've gotten this far you're probably itching to go.
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Let's start by creating the index you'll need for the web examples.
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Since you've already set your classpath in the previous examples,
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all you need to do is type
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<b> "java org.apache.lucene.demo.IndexHTML -create -index {index-dir} .."</b>.
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You'll need to do this from a (any) subdirectory of your {tomcat}/webapps directory (make sure you didn't leave off the ".." or you'll get a null pointer
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exception).
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{index-dir}
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should be a directory that Tomcat has permission to read and write, but is
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outside of a web accessible context. By default the webapp is configured
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to look in <b>/opt/lucene/index</b> for this index.
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</p>
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</section>
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<section name="Deploying the Demos">
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<p>Located in your distribution directory you should see
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a war file called luceneweb.war. Copy this to your
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{tomcat-home}/webapps directory. You may need to restart
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Tomcat. </p>
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</section>
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<section name="Configuration">
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<p>
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From your Tomcat directory look in the webapps/luceneweb subdirectory. If its not
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present, try browsing to "http://localhost:8080/luceneweb" then look again.
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Edit a file called configuration.jsp. Ensure that the indexLocation is equal to the
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location you used for your index. You may also customize the appTitle and appFooter
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strings as you see fit. Once you have finsihed altering the configuration you should
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restart Tomcat. You may also wish to update the war file by typing
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<b>jar -uf luceneweb.war configuration.jsp</b> from the luceneweb subdirectory.
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(The u option is not available in all versions of jar. In this case recreate the war file).
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</p>
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</section>
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<section name="Running the Demos">
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<p>Now you're ready to roll. In your browser set the url to "http://localhost:8080/luceneweb"
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enter "test" and the number of items per page and press search.</p>
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<p>You should now be looking either at a number of results (provided you didn't erase the
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Tomcat examples) or nothing. Try other search terms. Depending on the number of items
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per page you set and results returned, there may be a link at the bottom that says "more results>>",
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clicking it goes to subsequent pages. If you get an error regarding opening the index, then you
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probably set the path in "configuration" incorrectly or Tomcat doesn't have permissions to the
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index (or you skipped the step of creating it).</p>
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</section>
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<section name="About the code...">
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<p>
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If you want to know more about how this web app works or how to customize it then
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<a href="demo4.html">read on>>></a>.
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</p>
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</section>
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</body>
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</document>
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