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<title>Weld</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="frameworks.html" title="Chapter 29. Frameworks"><link rel="prev" href="framework-jetty-osgi.html" title="OSGI"><link rel="next" href="framework-metro.html" title="Metro"><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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</p></div><div class="section"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="framework-weld"></a>Weld</h2></div></div></div><div class="toc"><dl class="toc"><dt><span class="section"><a href="framework-weld.html#weld-setup-distro">Weld Setup</a></span></dt></dl></div><p><a class="link" href="http://seamframework.org/Weld" target="_top">Weld</a> can be used to add support for CDI (Contexts and Dependency Injection) to Servlets, Listeners and Filters.
It is easily configured with Jetty 9.</p><div class="section"><div class="titlepage"><div><div><h3 class="title"><a name="weld-setup-distro"></a>Weld Setup</h3></div></div></div><p>The easiest way to configure weld is within the jetty distribution itself:</p><div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem">Enable the startup <a class="link" href="startup-modules.html" title="Managing Startup Modules">module</a> called "cdi".</li><li class="listitem"><p class="simpara">Ensure your <code class="literal">WEB-INF/web.xml</code> contains the following:</p><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> <listener>
<listener-class>org.jboss.weld.environment.servlet.Listener</listener-class>
</listener>
<resource-env-ref>
<description>Object factory for the CDI Bean Manager</description>
<resource-env-ref-name>BeanManager</resource-env-ref-name>
<resource-env-ref-type>javax.enterprise.inject.spi.BeanManager</resource-env-ref-type>
</resource-env-ref></code></pre></li></ol></div><p>That should be it so when you start up your jetty distribution with the webapp you should see output similar to the following (providing your logging is the default configuration):</p><div class="screenexample"><pre class="screen">2015-06-18 12:13:54.924:INFO::main: Logging initialized @485ms
2015-06-18 12:13:55.231:INFO:oejs.Server:main: jetty-9.3.1-SNAPSHOT
2015-06-18 12:13:55.264:INFO:oejdp.ScanningAppProvider:main: Deployment monitor [file:///tmp/cdi-demo/webapps/] at interval 1
2015-06-18 12:13:55.607:WARN:oeja.AnnotationConfiguration:main: ServletContainerInitializers: detected. Class hierarchy: empty
Jun 18, 2015 12:13:55 PM org.jboss.weld.environment.servlet.EnhancedListener onStartup
INFO: WELD-ENV-001008: Initialize Weld using ServletContainerInitializer
Jun 18, 2015 12:13:55 PM org.jboss.weld.bootstrap.WeldStartup <clinit>
INFO: WELD-000900: 2.2.9 (Final)
Jun 18, 2015 12:13:55 PM org.jboss.weld.environment.servlet.deployment.WebAppBeanArchiveScanner scan
WARN: WELD-ENV-001004: Found both WEB-INF/beans.xml and WEB-INF/classes/META-INF/beans.xml. It's not portable to use both locations at the same time. Weld is going to use file:/tmp/jetty-0.0.0.0-8080-cdi-webapp.war-_cdi-webapp-any-8161614308407422636.dir/webapp/WEB-INF/beans.xml.
Jun 18, 2015 12:13:55 PM org.jboss.weld.bootstrap.WeldStartup startContainer
INFO: WELD-000101: Transactional services not available. Injection of @Inject UserTransaction not available. Transactional observers will be invoked synchronously.
Jun 18, 2015 12:13:55 PM org.jboss.weld.interceptor.util.InterceptionTypeRegistry <clinit>
WARN: WELD-001700: Interceptor annotation class javax.ejb.PostActivate not found, interception based on it is not enabled
Jun 18, 2015 12:13:55 PM org.jboss.weld.interceptor.util.InterceptionTypeRegistry <clinit>
WARN: WELD-001700: Interceptor annotation class javax.ejb.PrePassivate not found, interception based on it is not enabled
Jun 18, 2015 12:13:56 PM org.jboss.weld.bootstrap.MissingDependenciesRegistry handleResourceLoadingException
Jun 18, 2015 12:13:56 PM org.jboss.weld.environment.servlet.WeldServletLifecycle findContainer
INFO: WELD-ENV-001002: Container detection skipped - custom container class loaded: org.jboss.weld.environment.jetty.JettyContainer.
Jun 18, 2015 12:13:56 PM org.jboss.weld.environment.jetty.JettyContainer initialize
INFO: WELD-ENV-001200: Jetty 7.2+ detected, CDI injection will be available in Servlets and Filters. Injection into Listeners should work on Jetty 9.1.1 and newer.
Jun 18, 2015 12:13:56 PM org.jboss.weld.environment.servlet.Listener contextInitialized
INFO: WELD-ENV-001006: org.jboss.weld.environment.servlet.EnhancedListener used for ServletContext notifications
Jun 18, 2015 12:13:56 PM org.jboss.weld.environment.servlet.EnhancedListener contextInitialized
INFO: WELD-ENV-001009: org.jboss.weld.environment.servlet.Listener used for ServletRequest and HttpSession notifications
2015-06-18 12:13:56.535:INFO:oejsh.ContextHandler:main: Started o.e.j.w.WebAppContext@6574b225{/cdi-webapp,file:///tmp/jetty-0.0.0.0-8080-cdi-webapp.war-_cdi-webapp-any-8161614308407422636.dir/webapp/,AVAILABLE}{/cdi-webapp.war}
2015-06-18 12:13:56.554:INFO:oejs.ServerConnector:main: Started ServerConnector@7112f81c{HTTP/1.1,[http/1.1]}{0.0.0.0:8080}
2015-06-18 12:13:56.587:INFO:oejus.SslContextFactory:main: x509={jetty.eclipse.org=jetty} wild={} alias=null for SslContextFactory@3214ee6(file:///tmp/cdi-demo/etc/keystore,file:///tmp/cdi-demo/etc/keystore)
2015-06-18 12:13:56.821:INFO:oejs.ServerConnector:main: Started ServerConnector@69176a9b{SSL,[ssl, http/1.1]}{0.0.0.0:8443}
2015-06-18 12:13:56.822:INFO:oejs.Server:main: Started @2383ms</pre></div><p>For use with the jetty-maven-plugin, the best idea is to make the org.jboss.weld.servlet:weld-servlet artifact a <span class="emphasis"><em>plugin</em></span> dependency (<span class="emphasis"><em>not</em></span> a webapp dependency), then follow step 2 above.</p></div></div><script type="text/javascript">
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