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Merge pull request #1 from jacobq/master
Updated service.html to include discussion of vnu.war file deployment
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‎service.html

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<!doctype html><html><head><meta charset=utf-8>
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<title>Using vnu.jar for Web-based markup checking</title></head>
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<title>Using vnu.jar or vnu.war for web-based markup checking</title>
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<style type="text/css">
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html {
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background: #DDE5D9 url(data:image/gif;base64,R0lGODlhBAAEAIAAANra2v///yH5BAAAAAAALAAAAAAEAAQAAAIFTGB4xlcAOw==) repeat 0 0;
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font-family: "Lucida Sans Unicode", "Lucida Sans", verdana, arial, helvetica;
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}
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body {
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border: solid 1px #CED4CA;
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background-color: #FFF;
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padding: 4px 25px 4px 25px;
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margin: 20px 20% 20px 20px;
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line-height: 1.75;
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}
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h1 {
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font-size: 36px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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}
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h2 {
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font-size: 28px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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margin-top: 24px;
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}
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h3 {
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font-size: 22px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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margin-top: 32px;
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}
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h4 {
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font-size: 20px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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margin-top: 22px;
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}
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a {
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text-decoration: none;
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color: #0B5B9D;
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padding: 2px;
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}
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a:hover {
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text-decoration: none;
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background-color: #0B5B9D;
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color: white;
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}
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a:active {
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text-decoration: none;
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background-color: white;
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color: black;
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}
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.set, .note {
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background-color: ivory;
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padding: 16px;
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padding-top: 4px;
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padding-bottom: 4px;
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padding-right: 32px;
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padding-left: 32px;
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border: 1px solid #ccc;
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margin-left: 2px;
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margin-right: 2px;
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border-radius: 6px;
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}
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.note {
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background-color: rgb(241, 255, 240);
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}
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.note p {
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margin-top: 8px;
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}
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code {
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background-color: #F8F8F8;
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border: 1px solid #ccc;
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border-radius: 3px;
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padding: 2px 6px;
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}
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pre {
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background-color: #F8F8F8;
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border: 1px solid #ccc;
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border-radius: 3px;
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padding: 10px;
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margin-right: 15%; /* This seems high -- consider reducing? */
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margin-top: 6px;
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line-height: 1.2
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}
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.java-class, .java-property, .option-value {
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background-color: yellow;
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padding: 2px 6px;
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}
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.arg {
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color: green;
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}
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.links {
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text-align: center;
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}
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</style>
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</head>
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<body>
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<h1>Using vnu.jar for Web-based markup checking</h1>
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<h1>Using vnu.jar or vnu.war for web-based markup checking</h1>
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<p>The <code>vnu.jar</code> application is a portable standalone
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version of the validator.nu markup checker. The
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version of the validator.nu markup checker.
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It is well suited to <a href="./">command-line use</a> or as a simple,
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<a href="#web-based-usage">stand-alone HTTP server.</a>
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If you want to deploy the application to a servlet container
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such as Apache Tomcat you will probably want to use the
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<code>vnu.war</code> package instead.
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The
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<a href="https://github.com/validator/validator.github.io/releases"
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>latest vnu.jar release</a>
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is available from the <code>validator</code> project at github.
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The following are instructions on how to use it to provide a
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service for browser-based checking of HTML documents over the Web.
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>latest releases of these files</a>
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are available from the <code>validator</code> project at github.
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The following are instructions demonstrating how to use these two
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packages to provide a service for browser-based checking of
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HTML documents over the web.
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<p class=note><b>Note:</b> In the instructions, replace
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<var>"~/vnu.jar"</var> with the actual path to the <code>vnu.jar</code>
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file on your system.
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<var>"~/vnu.jar"</var> and <var>"~/vnu.war"</var>
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with the actual paths to those files on your system.
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<p class=links>
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<a href="#web-based-usage">Usage</a> ·
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<a href="#http-client">Client</a> ·
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<!--<a href="#web-based-usage">Usage</a> · -->
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<a href="#stand-alone">Stand-Alone</a> ·
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<a href="#servlet">Servlet</a> ·
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<a href="#http-client">Client</a> ·
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<a href="#http-client-options">Options</a>
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<div class=set>
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<section id=web-based-usage>
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<h2>Web-based usage</h2>
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<p>You can use <code>vnu.jar</code> to provide a service for
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browser-based checking of HTML documents over the Web, similar to
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<p>You can use <code>vnu.jar</code> or <code>vnu.war</code> to provide a service for
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browser-based checking of HTML documents over the web, similar to
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<a href="http://html5.validator.nu/">http://html5.validator.nu/</a>
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and
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<a href="http://validator.w3.org/nu/">http://validator.w3.org/nu/</a>.
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The service also includes a REST API for providing checking of HTML
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documents to non-browser clients.
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documents for other clients, not just web browsers.
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<p>To run the markup checker as a service, open a new terminal window
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</section>
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<section id=stand-alone>
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<h2>Stand-alone web server</h2>
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<p>To run the markup checker as a stand-alone service
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(using built-in Jetty server),
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open a new terminal window
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and invoke <code>vnu.jar</code> like this:
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<pre>
@@ -52,14 +172,59 @@ <h2>Web-based usage</h2>
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<div class=note>
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<p><b>Note:</b> If you get a <code>StackOverflowError</code>
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error when using the vnu.jar file, try adjusting the thread stack size by
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providing the <code>-Xss</code> option to java:</p>
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providing the <code>-Xss</code> option to java:
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<pre>
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java <span class="option-value">-Xss512k</span> -cp ~/vnu.jar nu.validator.servlet.Main 8888
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</pre>
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</div>
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</section>
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<section id=servlet>
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<h2>Deployment to servlet container</h2>
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<p>To run the markup checker inside of an existing servlet container
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such as Apache Tomcat you will need to deploy the <code>vnu.war</code>
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file to that server following its documentation.
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For example, on Apache Tomcat you could do this using
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the <a href="http://tomcat.apache.org/tomcat-8.0-doc/manager-howto.html">Manager</a> application or simply by copying the file to
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the <code>webapps</code> directory
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(since that is the default <code>appBase</code> setting).
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Typically you would see a message similar to the following
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in the <code>catalina.out</code> log file.
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<pre>
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May 7, 2014 4:42:04 PM org.apache.catalina.startup.HostConfig deployWAR
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INFO: Deploying web application archive /var/lib/tomcat7/webapps/vnu.war
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</pre>
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Assuming your servlet container is configured to receive HTTP
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requests sent to <code>localhost</code> on port <code>80</code>
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and the context root of this application is <code>vnu</code>
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(often the default behavior is to use the WAR file's filename
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as the context root unless one is explicitly specified)
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you should be able to access the application by connecting
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to <a href="http://localhost/vnu/">http://localhost/vnu/</a>.
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<div class=note>
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<b>Note:</b> You may want to customize the <code>/WEB-INF/web.xml</code>
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file inside the WAR file (you can use any ZIP handing program)
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to modify the servlet filter configuration.
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For example, if you wanted to disable gzip decompression you
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could comment-out that filter like this:
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<pre>
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&lt;!--
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&lt;filter>
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&lt;filter-name>gzip-filter&lt;/filter-name>
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&lt;filter-class>org.mortbay.servlet.GzipFilter&lt;/filter-class>
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&lt;/filter>
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&lt;filter-mapping>
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&lt;filter-name>gzip-filter&lt;/filter-name>
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&lt;url-pattern>*&lt;/url-pattern>
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&lt;/filter-mapping>
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--></pre>
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</div>
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</section>
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<section id=http-client>
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<h2>HTTP client (for fast command-line checking)</h2>
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<p>For example, you can suppress warning-level messages and only
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show error-level ones by setting the value of the
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<code>nu.validator.client.level</code> system property to
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<code>error</code>, like this:</p>
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<code>error</code>, like this:
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<pre>
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java <span class=java-property>-Dnu.validator.client.level=error</span>\
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</div>
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<!-- TODO: For more information... sources bugz etc. -->
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<style type="text/css">
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html {
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background: #DDE5D9 url(data:image/gif;base64,R0lGODlhBAAEAIAAANra2v///yH5BAAAAAAALAAAAAAEAAQAAAIFTGB4xlcAOw==) repeat 0 0;
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font-family: "Lucida Sans Unicode", "Lucida Sans", verdana, arial, helvetica;
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}
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body {
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border: solid 1px #CED4CA;
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background-color: #FFF;
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padding: 4px 25px 4px 25px;
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margin: 20px 20% 20px 20px;
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line-height: 1.75;
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}
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h1 {
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font-size: 36px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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}
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h2 {
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font-size: 28px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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margin-top: 24px;
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}
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h3 {
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font-size: 22px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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margin-top: 32px;
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}
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h4 {
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font-size: 20px;
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font-weight: normal;
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color: #0B5B9D;
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vertical-align: top;
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margin-bottom: 0px;
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margin-top: 22px;
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}
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a {
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text-decoration: none;
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color: #0B5B9D;
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padding: 2px;
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}
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a:hover {
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text-decoration: none;
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background-color: #0B5B9D;
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color: white;
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}
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a:active {
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text-decoration: none;
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background-color: white;
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color: black;
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}
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.set, .note {
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background-color: ivory;
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padding: 16px;
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padding-top: 4px;
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padding-bottom: 4px;
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padding-right: 32px;
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padding-left: 32px;
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border: 1px solid #ccc;
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margin-left: 2px;
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margin-right: 2px;
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border-radius: 6px;
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}
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.note {
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background-color: rgb(241, 255, 240);
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}
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.note p {
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margin-top: 8px;
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}
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code {
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background-color: #F8F8F8;
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border: 1px solid #ccc;
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border-radius: 3px;
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padding: 2px 6px;
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}
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pre {
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background-color: #F8F8F8;
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border: 1px solid #ccc;
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border-radius: 3px;
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padding: 10px;
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margin-right: 15%;
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margin-top: 6px;
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line-height: 1.2
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}
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.java-class, .java-property, .option-value {
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background-color: yellow;
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padding: 2px 6px;
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}
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.arg {
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color: green;
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}
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.links {
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text-align: center;
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}
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</style>

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