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(JSP/Servlet)</a></li> +</ul> +</div> +</div> +<div id="content"> +<div class="sect3"> +<h4 id="_webcontainer_jsp_servlet">WebContainer (JSP/Servlet)</h4> +<div class="paragraph"> +<p>Apache Karaf can act a complete WebContainer, fully supporting JSP/Servlet specification.</p> +</div> +<div class="paragraph"> +<p>Apache Karaf WebContainer supports both:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p>WAB (WebApplication Bundles) which are OSGi native web applications</p> +</li> +<li> +<p>WAR (WebApplication aRchives) which are non-OSGi web applications (the same as you can deploy in any web container like Apache Tomcat)</p> +</li> +</ul> +</div> +<div class="paragraph"> +<p>To enable the Apache Karaf WebContainer, you just have to install the <code>war</code> feature:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> feature:install war</pre> +</div> +</div> +<div class="admonitionblock note"> +<table> +<tr> +<td class="icon"> +<div class="title">Note</div> +</td> +<td class="content"> +<div class="paragraph"> +<p>The installation of the <code>webconsole</code> feature automatically installs the <code>war</code> feature.</p> +</div> +</td> +</tr> +</table> +</div> +<div class="paragraph"> +<p>The <code>war</code> feature provides:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p>an embedded web container (powered by Jetty), with its configuration</p> +</li> +<li> +<p>a set of console commands</p> +</li> +<li> +<p>a new war deployer</p> +</li> +</ul> +</div> +<div class="sect4"> +<h5 id="_configuration">Configuration</h5> +<div class="paragraph"> +<p>The default port used by the WebContainer is 8181.</p> +</div> +<div class="paragraph"> +<p>The WebContainer configuration is in the <code>etc/jetty.xml</code> configuration file.</p> +</div> +<div class="paragraph"> +<p>The <code>etc/jetty.xml</code> is a standard Eclipse Jetty configuration file.</p> +</div> +<div class="paragraph"> +<p>The default Apache Karaf WebContainer <code>etc/jetty.xml</code> contains:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre><?xml version="1.0"?> +<!-- + Licensed to the Apache Software Foundation (ASF) under one + or more contributor license agreements. See the NOTICE file + distributed with this work for additional information + regarding copyright ownership. The ASF licenses this file + to you under the Apache License, Version 2.0 (the + "License"); you may not use this file except in compliance + with the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, + software distributed under the License is distributed on an + "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + KIND, either express or implied. See the License for the + specific language governing permissions and limitations + under the License. +--> +<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting// +DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd"> + +<Configure class="org.eclipse.jetty.server.Server"> + + <!-- =========================================================== --> + <!-- Set connectors --> + <!-- =========================================================== --> + <!-- One of each type! --> + <!-- =========================================================== --> + + <!-- Use this connector for many frequently idle connections and for + threadless continuations. --> + <Call name="addConnector"> + <Arg> + <New class="org.eclipse.jetty.server.nio.SelectChannelConnector"> + <Set name="host"> + <Property name="jetty.host" /> + </Set> + <Set name="port"> + <Property name="jetty.port" default="8181" /> + </Set> + <Set name="maxIdleTime">300000</Set> + <Set name="Acceptors">2</Set> + <Set name="statsOn">false</Set> + <Set name="confidentialPort">8443</Set> + <Set name="lowResourcesConnections">20000</Set> + <Set name="lowResourcesMaxIdleTime">5000</Set> + </New> + </Arg> + </Call> + + <!-- =========================================================== --> + <!-- Configure Authentication Realms --> + <!-- Realms may be configured for the entire server here, or --> + <!-- they can be configured for a specific web app in a context --> + <!-- configuration (see $(jetty.home)/contexts/test.xml for an --> + <!-- example). --> + <!-- =========================================================== --> + <Call name="addBean"> + <Arg> + <New class="org.eclipse.jetty.plus.jaas.JAASLoginService"> + <Set name="name">karaf</Set> + <Set name="loginModuleName">karaf</Set> + <Set name="roleClassNames"> + <Array type="java.lang.String"> + <Item>org.apache.karaf.jaas.boot.principal.RolePrincipal + </Item> + </Array> + </Set> + </New> + </Arg> + </Call> + <Call name="addBean"> + <Arg> + <New class="org.eclipse.jetty.plus.jaas.JAASLoginService"> + <Set name="name">default</Set> + <Set name="loginModuleName">karaf</Set> + <Set name="roleClassNames"> + <Array type="java.lang.String"> + <Item>org.apache.karaf.jaas.boot.principal.RolePrincipal + </Item> + </Array> + </Set> + </New> + </Arg> + </Call> + +</Configure></pre> +</div> +</div> +<div class="paragraph"> +<p>The <code>SelectChannelConnector</code> defines the default connector of the WebContainer.</p> +</div> +<div class="paragraph"> +<p>This connector defines the 8181 port number for the HTTP protocol (<code>port</code> property), and the 8443 port number for the +HTTPS protocol (<code>confidentialPort</code> property).</p> +</div> +<div class="paragraph"> +<p>By default, Apache Karaf bind these ports on all network interfaces (<code>0.0.0.0</code>). You can config the <code>host</code> property +to bind on a specific network interface (with a given IP address).</p> +</div> +<div class="paragraph"> +<p>The following resources give you details about advanced <code>etc/jetty.xml</code> configurations:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><a href="http://wiki.eclipse.org/Jetty/Howto/Configure_Jetty"; class="bare">http://wiki.eclipse.org/Jetty/Howto/Configure_Jetty</a></p> +</li> +<li> +<p><a href="http://wiki.eclipse.org/Jetty/Howto/Configure_SSL"; class="bare">http://wiki.eclipse.org/Jetty/Howto/Configure_SSL</a></p> +</li> +<li> +<p><a href="http://wiki.eclipse.org/Jetty/Reference/jetty.xml_syntax"; class="bare">http://wiki.eclipse.org/Jetty/Reference/jetty.xml_syntax</a></p> +</li> +</ul> +</div> +</div> +<div class="sect4"> +<h5 id="_deploy">Deploy</h5> +<div class="paragraph"> +<p>Apache Karaf WebContainer is able to deploy:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p>pure OSGi WebApplication Bundle (WAB)</p> +</li> +<li> +<p>"classical" standard WebApplication aRchive (WAR)</p> +</li> +</ul> +</div> +<div class="sect5"> +<h6 id="_wab_webapplication_bundle">WAB (WebApplication Bundle)</h6> +<div class="paragraph"> +<p>A WAB is a standard WAR or JAR archive containing at least the following properties in the MANIFEST:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><code>Bundle-ManifestVersion: 2</code> defines that the bundle follows the rules of R4 specification.</p> +</li> +<li> +<p><code>Bundle-SymbolicName</code> specifies a unique, non-localizable name for the bundle. This name should be based on the +reverse domain name convention.</p> +</li> +<li> +<p><code>Web-ContextPath</code> specifies the location of the web application.</p> +</li> +</ul> +</div> +<div class="paragraph"> +<p>WAB can be deployed directly in Apache Karaf, for instance, by dropping the archive in the <code>deploy</code> folder, or using the +<code>bundle:install</code> command.</p> +</div> +<div class="paragraph"> +<p>For instance, the Apache Karaf manual (documentation) is available as a WAB that you can deploy directly in a running instance:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> bundle:install -s mvn:org.apache.karaf/manual/4.0.0/war</pre> +</div> +</div> +</div> +<div class="sect5"> +<h6 id="_war_webapplication_archive">WAR (WebApplication aRchive)</h6> +<div class="paragraph"> +<p>Apache Karaf allows you to deploy directly WAR files without repackaging as WAB.</p> +</div> +<div class="paragraph"> +<p>Using the <code>webbundle</code> prefix and providing headers directly on the URL, Apache Karaf creates a WAB "on the fly".</p> +</div> +<div class="paragraph"> +<p>For instance, you can deploy the Apache Tomcat sample non-OSGi "classical" WAR with the following command:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> bundle:install -s "webbundle:http://tomcat.apache.org/tomcat-7.0-doc/appdev/sample/sample.war?Bundle-SymbolicName=tomcat-sample&Web-ContextPath=/sample";</pre> +</div> +</div> +<div class="paragraph"> +<p>You can note the <code>webbundle</code> prefix, and the <code>Bundle-SymbolicName</code> and <code>Web-ContextPath</code> headers on the URL.</p> +</div> +</div> +</div> +<div class="sect4"> +<h5 id="_commands">Commands</h5> +<div class="sect5"> +<h6 id="__code_http_list_code"><code>http:list</code></h6> +<div class="paragraph"> +<p>The <code>http:list</code> lists the available Servlets deployed in the WebContainer.</p> +</div> +<div class="paragraph"> +<p>For instance, if you have installed the Apache Karaf WebConsole, you can see the WebConsole Servlets:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> http:list +ID | Servlet | Servlet-Name | State | Alias | Url +----------------------------------------------------------------------------------------------------- +113 | ResourceServlet | /res | Deployed | /system/console/res | [/system/console/res/*] +113 | KarafOsgiManager | ServletModel-2 | Undeployed | /system/console | [/system/console/*] +113 | KarafOsgiManager | ServletModel-5 | Deployed | /system/console | [/system/console/*]</pre> +</div> +</div> +<div class="paragraph"> +<p>The <code>ID</code> is the ID of the bundle which provides the servlet (<code>113</code> here).</p> +</div> +<div class="paragraph"> +<p>The <code>State</code> is the current state of the Servlet (<code>Deployed</code> or <code>Undeployed</code>).</p> +</div> +<div class="paragraph"> +<p>The <code>Url</code> is the URL where the Servlet is available.</p> +</div> +</div> +<div class="sect5"> +<h6 id="__code_web_list_code"><code>web:list</code></h6> +<div class="paragraph"> +<p>The <code>web:list</code> command lists the WebApplication Bundles ("native" WAB or "wrapped WAR") deployed in the WebContainer.</p> +</div> +<div class="paragraph"> +<p>For instance, if you installed the Apache Karaf manual WAR file as described previously, you can see it with <code>web:list</code>:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> web:list +ID | State | Web-State | Level | Web-ContextPath | Name +--------------------------------------------------------------------------------------------------- +111 | Active | Deployed | 80 | /karaf-doc | Apache Karaf :: Manual (4.0.0)</pre> +</div> +</div> +</div> +<div class="sect5"> +<h6 id="__code_web_stop_code"><code>web:stop</code></h6> +<div class="paragraph"> +<p>The <code>web:stop</code> command stops a web application in the WebContainer. The <code>web:stop</code> command expects a <code>id</code> argument +corresponding to the bundle ID (as displayed by the <code>web:list</code> command).</p> +</div> +<div class="paragraph"> +<p>For instance, to stop the Apache Karaf manual web application:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> web:stop 111</pre> +</div> +</div> +</div> +<div class="sect5"> +<h6 id="__code_web_start_code"><code>web:start</code></h6> +<div class="paragraph"> +<p>The <code>web:start</code> command starts a web application in the WebContainer. The <code>web:start</code> command expects a <code>id</code> argument +corresponding to the bundle ID (as displayed by the <code>web:list</code> command).</p> +</div> +<div class="paragraph"> +<p>For instance, to start the Apache Karaf manual web application:</p> +</div> +<div class="listingblock"> +<div class="content"> +<pre>karaf@root()> web:start 111</pre> +</div> +</div> +</div> +</div> +<div class="sect4"> +<h5 id="_jmx_httpmbean">JMX HttpMBean</h5> +<div class="paragraph"> +<p>On the JMX layer, you have a MBean dedicated to the manipulation of the Servlets: the HttpMBean.</p> +</div> +<div class="paragraph"> +<p>The ObjectName to use is <code>org.apache.karaf:type=http,name=*</code>.</p> +</div> +<div class="sect5"> +<h6 id="_attributes">Attributes</h6> +<div class="paragraph"> +<p>The <code>Servlets</code> attribute provides a tabular data providing the list of deployed Servlets including:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><code>Alias</code> is the Servlet URL alias.</p> +</li> +<li> +<p><code>Bundle-ID</code> is the ID of the bundle which provides this Servlet.</p> +</li> +<li> +<p><code>Servlet</code> is the class name of the Servlet.</p> +</li> +<li> +<p><code>State</code> is the current Servlet state (<code>Deployed</code> or <code>Undeployed</code>).</p> +</li> +<li> +<p><code>URL</code> is the URL of the Servlet (the Servlet context path).</p> +</li> +</ul> +</div> +</div> +</div> +<div class="sect4"> +<h5 id="_jmx_webmbean">JMX WebMBean</h5> +<div class="paragraph"> +<p>On the JMX layer, you have a MBean dedicated to the manipulation of the Web Applications: the WebMBean.</p> +</div> +<div class="paragraph"> +<p>The ObjectName to use is <code>org.apache.karaf:type=web,name=*</code>.</p> +</div> +<div class="sect5"> +<h6 id="_attributes_2">Attributes</h6> +<div class="paragraph"> +<p>The <code>WebBundles</code> attribute provides a tabular data providing the list of deployed Web Applications including:</p> +</div> +<div class="ulist"> +<ul> +<li> +<p><code>ID</code> is the ID of the bundle providing the Web Application.</p> +</li> +<li> +<p><code>Level</code> is the bundle start level.</p> +</li> +<li> +<p><code>Name</code> is the bundle symbolic name providing the Web Application.</p> +</li> +<li> +<p><code>State</code> is the current state of the bundle.</p> +</li> +<li> +<p><code>Web-ContextPath</code> is the context path of the Web Application.</p> +</li> +<li> +<p><code>Web-State</code> is the current status of the Web Application (<code>Deployed</code> or <code>Undeployed</code>).</p> +</li> +</ul> +</div> +</div> +<div class="sect5"> +<h6 id="_operations">Operations</h6> +<div class="ulist"> +<ul> +<li> +<p><code>start(id)</code> starts the web context of the bundle with <code>id</code>.</p> +</li> +<li> +<p><code>start(list)</code> starts the web context of the bundles with ID in the provided <code>list</code>.</p> +</li> +<li> +<p><code>stop(id)</code> stops the web context of the bundle with <code>id</code>.</p> +</li> +<li> +<p><code>stop(list)</code> stops the web context of the bundles with ID in the provided <code>list</code>.</p> +</li> +</ul> +</div> +</div> +</div> +</div> +</div> +<div id="footer"> +<div id="footer-text"> +Last updated 2016-04-27 13:59:28 CEST +</div> +</div> +</body> +</html> \ No newline at end of file
