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   <title>Debug Handler</title><link rel="stylesheet" type="text/css" href="css/docbook.css"><meta name="generator" content="DocBook XSL Stylesheets V1.79.1"><meta name="keywords" content="jetty, servlet, servlet-api, cometd, http, websocket, eclipse, maven, java, server, software"><link rel="home" href="index.html" title="Jetty"><link rel="up" href="advanced-extras.html" title="Chapter&nbsp;18.&nbsp;Provided Servlets, Filters, and Handlers"><link rel="prev" href="resource-handler.html" title="Resource Handler"><link rel="next" href="statistics-handler.html" title="Statistics Handler"><link xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" rel="shortcut icon" href="images/favicon.ico"><link rel="stylesheet" href="css/highlighter/foundation.css"><script src="js/highlight.pack.js"></script><script>
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            Version: 9.3.28.v20191105</span></td><td style="width: 50%"></td></tr></table><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Debug Handler</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="resource-handler.html"><i class="fa fa-chevron-left" aria-hidden="true"></i> Previous</a>&nbsp;</td><th width="60%" align="center">Chapter&nbsp;18.&nbsp;Provided Servlets, Filters, and Handlers<br><a accesskey="p" href="index.html"><i class="fa fa-home" aria-hidden="true"></i> Home</a></th><td width="20%" align="right">&nbsp;<a accesskey="n" href="statistics-handler.html">Next <i class="fa fa-chevron-right" aria-hidden="true"></i></a></td></tr></table><hr></div><div xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times" class="jetty-callout"><h5 class="callout"><a href="http://www.webtide.com/">Contact the core Jetty developers at
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      </p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="debug-handler"></a>Debug Handler</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="section"><a href="debug-handler.html#debug-handler-metadata">Info</a></span></dt><dt><span class="section"><a href="debug-handler.html#debug-handler-usage">Usage</a></span></dt><dt><span class="section"><a href="debug-handler.html#_usage_in_standard_distribution">Usage in standard distribution</a></span></dt><dt><span class="section"><a href="debug-handler.html#_embedded_usage">Embedded usage</a></span></dt><dt><span class="section"><a href="debug-handler.html#_example_output">Example output</a></span></dt></dl></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="debug-handler-metadata"></a>Info</h3></div></div></div><div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem">Classname: <code class="literal">org.eclipse.jetty.server.handler.DebugHandler</code></li><li class="listitem">Maven Artifact: org.eclipse.jetty:jetty-server</li><li class="listitem">Javadoc: <a class="link" href="http://www.eclipse.org/jetty/javadoc/9.3.28.v20191105/org/eclipse/jetty/server/handler/DebugHandler.html" target="_top">http://www.eclipse.org/jetty/javadoc/9.3.28.v20191105/org/eclipse/jetty/server/handler/DebugHandler.html</a></li></ul></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="debug-handler-usage"></a>Usage</h3></div></div></div><p>A simple handler that is useful to debug incoming traffic.
It will log entry and exit points of HTTP requests as well as the response code.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_usage_in_standard_distribution"></a>Usage in standard distribution</h3></div></div></div><p>The debug handler can be added to Jetty by activating the debug module.</p></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_embedded_usage"></a>Embedded usage</h3></div></div></div><pre xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times"><code>Server server = new Server(8080);
RolloverFileOutputStream outputStream = new RolloverFileOutputStream("MeinLogPfad/yyyy_mm_dd.request.log", true,10);

DebugHandler debugHandler = new DebugHandler();
debugHandler.setOutputStream(outputStream);
debugHandler.setHandler(server.getHandler());

server.setHandler(debugHandler);
server.start();</code></pre></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="_example_output"></a>Example output</h3></div></div></div><pre xmlns:jfetch="java:org.eclipse.jetty.xslt.tools.JavaSourceFetchExtension" xmlns:fetch="java:org.eclipse.jetty.xslt.tools.SourceFetchExtension" xmlns:d="http://docbook.org/ns/docbook" xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0" xmlns:xslthl="http://xslthl.sf.net" xmlns:gcse="http://www.google.com" xmlns:date="http://exslt.org/dates-and-times"><code>15:14:05.838:qtp551889550-13-selector-0 OPENED HttpConnection@e910ee4{IDLE},g=HttpGenerator{s=START},p=HttpParser{s=START,0 of 0}
15:14:05.846:qtp551889550-57:http://0:0:0:0:0:0:0:1:8080/ REQUEST 0:0:0:0:0:0:0:1 GET __utma=111872281.10102721.1321534299.1369833564.1370447492.35; __utmz=111872281.1321534299.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); _opt_vi_RPY720HZ=75E12E63-0CD0-4D6F-8383-C90D5C8397C7; Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:22.0) Gecko/20100101 Firefox/22.0
15:14:05.894:qtp551889550-57:http://0:0:0:0:0:0:0:1:8080/ RESPONSE 200 null
15:14:05.959:qtp551889550-59:http://0:0:0:0:0:0:0:1:8080/jetty.css REQUEST 0:0:0:0:0:0:0:1 GET __utma=111872281.10102721.1321534299.1369833564.1370447492.35; __utmz=111872281.1321534299.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); _opt_vi_RPY720HZ=75E12E63-0CD0-4D6F-8383-C90D5C8397C7; visited=yes; Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:22.0) Gecko/20100101 Firefox/22.0
15:14:05.962:qtp551889550-59:http://0:0:0:0:0:0:0:1:8080/jetty.css RESPONSE 200 null
15:14:06.052:qtp551889550-57:http://0:0:0:0:0:0:0:1:8080/images/jetty-header.jpg REQUEST 0:0:0:0:0:0:0:1 GET __utma=111872281.10102721.1321534299.1369833564.1370447492.35; __utmz=111872281.1321534299.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); _opt_vi_RPY720HZ=75E12E63-0CD0-4D6F-8383-C90D5C8397C7; visited=yes; Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:22.0) Gecko/20100101 Firefox/22.0
15:14:06.055:qtp551889550-57:http://0:0:0:0:0:0:0:1:8080/images/jetty-header.jpg RESPONSE 200 null
15:14:07.248:qtp551889550-59:http://0:0:0:0:0:0:0:1:8080/favicon.ico REQUEST 0:0:0:0:0:0:0:1 GET __utma=111872281.10102721.1321534299.1369833564.1370447492.35; __utmz=111872281.1321534299.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); _opt_vi_RPY720HZ=75E12E63-0CD0-4D6F-8383-C90D5C8397C7; visited=yes; Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:22.0) Gecko/20100101 Firefox/22.0
15:14:07.251:qtp551889550-59:http://0:0:0:0:0:0:0:1:8080/favicon.ico RESPONSE 404 text/html;charset=ISO-8859-1
15:14:09.330:qtp551889550-57 CLOSED HttpConnection@e910ee4{INTERESTED},g=HttpGenerator{s=START},p=HttpParser{s=START,0 of -1}</code></pre></div></div><script type="text/javascript">
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