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<title>Shutdown Handler</title><link rel="stylesheet" type="text/css" href="css/docbook.css"><meta name="generator" content="DocBook XSL-NS Stylesheets V1.76.1"><meta name="keywords" content="jetty, servlet-api, cometd, http, spdy, eclipse, maven, java, software"><link rel="home" href="index.html" title="Jetty : The Definitive Reference"><link rel="up" href="advanced-extras.html" title="Chapter&nbsp;20.&nbsp;Bundled Servlets, Filters, and Handlers"><link rel="prev" href="moved-context-handler.html" title="Moved Context Handler"><link rel="next" href="default-handler.html" title="Default 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"><script type="text/javascript" src="js/shCore.js"></script><script type="text/javascript" src="js/shBrushJava.js"></script><script type="text/javascript" src="js/shBrushXml.js"></script><script type="text/javascript" src="js/shBrushBash.js"></script><script type="text/javascript" src="js/shBrushJScript.js"></script><script type="text/javascript" src="js/shBrushSql.js"></script><script type="text/javascript" src="js/shBrushProperties.js"></script><script type="text/javascript" src="js/shBrushPlain.js"></script><link type="text/css" rel="stylesheet" href="css/shCore.css"><link type="text/css" rel="stylesheet" href="css/shThemeEclipse.css"><link type="text/css" rel="stylesheet" href="css/font-awesome.min.css"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table 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"><tr><td style="width: 25%"><a href="http://www.eclipse.org/jetty"><img src="images/jetty-header-logo.png" alt="Jetty Logo"></a><br><span style="font-size: small">
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</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="shutdown-handler"></a>Shutdown Handler</h2></div></div></div><div class="toc"><dl><dt><span class="section"><a href="shutdown-handler.html#shutdown-handler-metadata">Info</a></span></dt><dt><span class="section"><a href="shutdown-handler.html#shutdown-handler-usage">Usage</a></span></dt></dl></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="shutdown-handler-metadata"></a>Info</h3></div></div></div><div class="itemizedlist"><ul class="itemizedlist" type="disc"><li class="listitem"><p>Classname: <code class="code">org.eclipse.jetty.server.handler.ShutdownHandler</code></p></li><li class="listitem"><p>Maven Artifact: org.eclipse.jetty:jetty-server</p></li><li class="listitem"><p>
Javadoc: <a class="link" href="http://download.eclipse.org/jetty/stable-9/apidocs/org/eclipse/jetty/server/handler/ShutdownHandler.html" target="_top">http://download.eclipse.org/jetty/stable-9/apidocs/org/eclipse/jetty/server/handler/ShutdownHandler.html</a>
</p></li><li class="listitem"><p>
Xref: <a class="link" href="http://download.eclipse.org/jetty/stable-9/xref/org/eclipse/jetty/server/handler/ShutdownHandler.html" target="_top">http://download.eclipse.org/jetty/stable-9/xref/org/eclipse/jetty/server/handler/ShutdownHandler.html</a>
</p></li></ul></div></div><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="shutdown-handler-usage"></a>Usage</h3></div></div></div><p>
A handler that shuts the server down on a valid request. Used to do "soft" restarts from Java. If _exitJvm is set to true a hard System.exit() call is being made.
</p><p>
This is an example of how you can setup this handler directly with the Server, it can be added as a part of handler chain or collection as well.
</p><div class="informalexample"><script type="syntaxhighlighter" class="brush: java;toolbar: false">
<![CDATA[
Server server = new Server(8080);
HandlerList handlers = new HandlerList();
handlers.setHandlers(new Handler[]
{ someOtherHandler, new ShutdownHandler(server,"secret password") });
server.setHandler(handlers);
server.start();
]]>
</script></div><p>
And this is an example that you can use to call the shutdown handler from within java.
</p><div class="informalexample"><script type="syntaxhighlighter" class="brush: java;toolbar: false">
<![CDATA[
public static void attemptShutdown(int port, String shutdownCookie) {
try {
URL url = new URL("http://localhost:" + port + "/shutdown?token=" + shutdownCookie);
HttpURLConnection connection = (HttpURLConnection)url.openConnection();
connection.setRequestMethod("POST");
connection.getResponseCode();
logger.info("Shutting down " + url + ": " + connection.getResponseMessage());
} catch (SocketException e) {
logger.debug("Not running");
// Okay - the server is not running
} catch (IOException e) {
throw new RuntimeException(e);
}
}
]]>
</script></div></div></div><script type="text/javascript">
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