Jetty配置
来源：互联网 发布：知行论坛西农 编辑：程序博客网 时间：2024/05/20 11:53
前言
现在越来越多的公司用Jetty而不用Tomcat了，原因是
1.Jetty更加轻量级
2.Jetty更加灵活，可扩展性更高
总结：Jetty更满足公有云的分布式环境的需求，而Tomcat更符合企业级环境。
Jetty安装
1.去Jetty官网下载Jetty服务器
略过
2.安装eclipse插件
打开eclipse，依次点击菜单Help->Eclipse Marketplace，在Find后面的框中输入jetty，选择第一项进行install即可。
启动Jetty
Jetty启动有两种方式：一种代码，一种Run As
代码运行
（备注jetty_test是工程的根目录，etc、lib、webRoot为其二级目录）
到jetty的官方网站（http://www.eclipse.org/jetty/）下载jetty的开发包；
我下载的jetty-hightide-8.0.0.v20110901.tar.gz；
把里面的lib目录的jar包和lib/jsp目录下面的jar包导入到工程里面
说明白，其实jetty.xml和webdefault.xml其实是在我下载的
jetty-hightide-8.0.0.v20110901.tar.gz里面的etc目录下面的jetty.xml和webdefault.xml
jetty.xml:
<?xml version="1.0"?><!DOCTYPE Configure PUBLIC "-//Jetty//Configure//EN" "http://www.eclipse.org/jetty/configure.dtd"><!-- =============================================================== --><!-- Configure the Jetty Server --><!-- --><!-- Documentation of this file format can be found at: --><!-- http://wiki.eclipse.org/Jetty/Reference/jetty.xml_syntax --><!-- --><!-- Additional configuration files are available in $JETTY_HOME/etc --><!-- and can be mixed in. For example: --><!-- java -jar start.jar etc/jetty-ssl.xml --><!-- --><!-- See start.ini file for the default configuraton files --><!-- =============================================================== --><Configure id="Server" class="org.eclipse.jetty.server.Server"> <!-- =========================================================== --> <!-- Server Thread Pool --> <!-- =========================================================== --> <Set name="ThreadPool"> <!-- Default queued blocking threadpool --> <New class="org.eclipse.jetty.util.thread.QueuedThreadPool"> <Set name="minThreads">10</Set> <Set name="maxThreads">200</Set> <Set name="detailedDump">false</Set> </New> </Set> <!-- =========================================================== --> <!-- Set connectors --> <!-- =========================================================== --> <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="8080"/></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> <!-- =========================================================== --> <!-- Set handler Collection Structure --> <!-- =========================================================== --> <Set name="handler"> <New id="Handlers" class="org.eclipse.jetty.server.handler.HandlerCollection"> <Set name="handlers"> <Array type="org.eclipse.jetty.server.Handler"> <Item> <New id="Contexts" class="org.eclipse.jetty.server.handler.ContextHandlerCollection"/> </Item> <Item> <New id="DefaultHandler" class="org.eclipse.jetty.server.handler.DefaultHandler"/> </Item> </Array> </Set> </New> </Set> <!-- =========================================================== --> <!-- extra options --> <!-- =========================================================== --> <Set name="stopAtShutdown">true</Set> <Set name="sendServerVersion">true</Set> <Set name="sendDateHeader">true</Set> <Set name="gracefulShutdown">1000</Set> <Set name="dumpAfterStart">false</Set> <Set name="dumpBeforeStop">false</Set></Configure>webdefault.xml:
<?xml version="1.0" encoding="ISO-8859-1"?> <!-- ===================================================================== --> <!-- This file contains the default descriptor for web applications. --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <!-- The intent of this descriptor is to include jetty specific or common --> <!-- configuration for all webapps. If a context has a webdefault.xml --> <!-- descriptor, it is applied before the contexts own web.xml file --> <!-- --> <!-- A context may be assigned a default descriptor by: --> <!-- + Calling WebApplicationContext.setDefaultsDescriptor --> <!-- + Passed an arg to addWebApplications --> <!-- --> <!-- This file is used both as the resource within the jetty.jar (which is --> <!-- used as the default if no explicit defaults descriptor is set) and it --> <!-- is copied to the etc directory of the Jetty distro and explicitly --> <!-- by the jetty.xml file. --> <!-- --> <!-- ===================================================================== --><web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" metadata-complete="true" version="2.5"> <description> Default web.xml file. This file is applied to a Web application before it's own WEB_INF/web.xml file </description> <!-- ==================================================================== --> <!-- Removes static references to beans from javax.el.BeanELResolver to --> <!-- ensure webapp classloader can be released on undeploy --> <!-- ==================================================================== --> <listener> <listener-class>org.eclipse.jetty.servlet.listener.ELContextCleaner</listener-class> </listener> <!-- ==================================================================== --> <!-- Removes static cache of Methods from java.beans.Introspector to --> <!-- ensure webapp classloader can be released on undeploy --> <!-- ==================================================================== --> <listener> <listener-class>org.eclipse.jetty.servlet.listener.IntrospectorCleaner</listener-class> </listener> <!-- ==================================================================== --> <!-- Context params to control Session Cookies --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <!-- UNCOMMENT TO ACTIVATE <context-param> <param-name>org.eclipse.jetty.servlet.SessionDomain</param-name> <param-value>127.0.0.1</param-value> </context-param> <context-param> <param-name>org.eclipse.jetty.servlet.SessionPath</param-name> <param-value>/</param-value> </context-param> <context-param> <param-name>org.eclipse.jetty.servlet.MaxAge</param-name> <param-value>-1</param-value> </context-param> --> <!-- ==================================================================== --> <!-- The default servlet. --> <!-- This servlet, normally mapped to /, provides the handling for static --> <!-- content, OPTIONS and TRACE methods for the context. --> <!-- The following initParameters are supported: --> <!-- * acceptRanges If true, range requests and responses are * supported * * dirAllowed If true, directory listings are returned if no * welcome file is found. Else 403 Forbidden. * * welcomeServlets If true, attempt to dispatch to welcome files * that are servlets, but only after no matching static * resources could be found. If false, then a welcome * file must exist on disk. If "exact", then exact * servlet matches are supported without an existing file. * Default is true. * * This must be false if you want directory listings, * but have index.jsp in your welcome file list. * * redirectWelcome If true, welcome files are redirected rather than * forwarded to. * * gzip If set to true, then static content will be served as * gzip content encoded if a matching resource is * found ending with ".gz" * * resourceBase Set to replace the context resource base * * resourceCache If set, this is a context attribute name, which the servlet * will use to look for a shared ResourceCache instance. * * relativeResourceBase * Set with a pathname relative to the base of the * servlet context root. Useful for only serving static content out * of only specific subdirectories. * * aliases If True, aliases of resources are allowed (eg. symbolic * links and caps variations). May bypass security constraints. * * maxCacheSize The maximum total size of the cache or 0 for no cache. * maxCachedFileSize The maximum size of a file to cache * maxCachedFiles The maximum number of files to cache * * useFileMappedBuffer * If set to true, it will use mapped file buffer to serve static content * when using NIO connector. Setting this value to false means that * a direct buffer will be used instead of a mapped file buffer. * By default, this is set to true. * * cacheControl If set, all static content will have this value set as the cache-control * header. --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <servlet> <servlet-name>default</servlet-name> <servlet-class>org.eclipse.jetty.servlet.DefaultServlet</servlet-class> <init-param> <param-name>aliases</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>acceptRanges</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>dirAllowed</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>welcomeServlets</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>redirectWelcome</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>maxCacheSize</param-name> <param-value>256000000</param-value> </init-param> <init-param> <param-name>maxCachedFileSize</param-name> <param-value>200000000</param-value> </init-param> <init-param> <param-name>maxCachedFiles</param-name> <param-value>2048</param-value> </init-param> <init-param> <param-name>gzip</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>useFileMappedBuffer</param-name> <param-value>true</param-value> </init-param> <init-param> <param-name>resourceCache</param-name> <param-value>resourceCache</param-value> </init-param> <!-- <init-param> <param-name>cacheControl</param-name> <param-value>max-age=3600,public</param-value> </init-param> --> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>default</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!-- ==================================================================== --> <!-- JSP Servlet --> <!-- This is the jasper JSP servlet from the jakarta project --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <!-- The JSP page compiler and execution servlet, which is the mechanism --> <!-- used by Glassfish to support JSP pages. Traditionally, this servlet --> <!-- is mapped to URL patterh "*.jsp". This servlet supports the --> <!-- following initialization parameters (default values are in square --> <!-- brackets): --> <!-- --> <!-- checkInterval If development is false and reloading is true, --> <!-- background compiles are enabled. checkInterval --> <!-- is the time in seconds between checks to see --> <!-- if a JSP page needs to be recompiled. [300] --> <!-- --> <!-- compiler Which compiler Ant should use to compile JSP --> <!-- pages. See the Ant documenation for more --> <!-- information. [javac] --> <!-- --> <!-- classdebuginfo Should the class file be compiled with --> <!-- debugging information? [true] --> <!-- --> <!-- classpath What class path should I use while compiling --> <!-- generated servlets? [Created dynamically --> <!-- based on the current web application] --> <!-- Set to ? to make the container explicitly set --> <!-- this parameter. --> <!-- --> <!-- development Is Jasper used in development mode (will check --> <!-- for JSP modification on every access)? [true] --> <!-- --> <!-- enablePooling Determines whether tag handler pooling is --> <!-- enabled [true] --> <!-- --> <!-- fork Tell Ant to fork compiles of JSP pages so that --> <!-- a separate JVM is used for JSP page compiles --> <!-- from the one Tomcat is running in. [true] --> <!-- --> <!-- ieClassId The class-id value to be sent to Internet --> <!-- Explorer when using <jsp:plugin> tags. --> <!-- [clsid:8AD9C840-044E-11D1-B3E9-00805F499D93] --> <!-- --> <!-- javaEncoding Java file encoding to use for generating java --> <!-- source files. [UTF-8] --> <!-- --> <!-- keepgenerated Should we keep the generated Java source code --> <!-- for each page instead of deleting it? [true] --> <!-- --> <!-- logVerbosityLevel The level of detailed messages to be produced --> <!-- by this servlet. Increasing levels cause the --> <!-- generation of more messages. Valid values are --> <!-- FATAL, ERROR, WARNING, INFORMATION, and DEBUG. --> <!-- [WARNING] --> <!-- --> <!-- mappedfile Should we generate static content with one --> <!-- print statement per input line, to ease --> <!-- debugging? [false] --> <!-- --> <!-- --> <!-- reloading Should Jasper check for modified JSPs? [true] --> <!-- --> <!-- suppressSmap Should the generation of SMAP info for JSR45 --> <!-- debugging be suppressed? [false] --> <!-- --> <!-- dumpSmap Should the SMAP info for JSR45 debugging be --> <!-- dumped to a file? [false] --> <!-- False if suppressSmap is true --> <!-- --> <!-- scratchdir What scratch directory should we use when --> <!-- compiling JSP pages? [default work directory --> <!-- for the current web application] --> <!-- --> <!-- tagpoolMaxSize The maximum tag handler pool size [5] --> <!-- --> <!-- xpoweredBy Determines whether X-Powered-By response --> <!-- header is added by generated servlet [false] --> <!-- --> <!-- If you wish to use Jikes to compile JSP pages: --> <!-- Set the init parameter "compiler" to "jikes". Define --> <!-- the property "-Dbuild.compiler.emacs=true" when starting Jetty --> <!-- to cause Jikes to emit error messages in a format compatible with --> <!-- Jasper. --> <!-- If you get an error reporting that jikes can't use UTF-8 encoding, --> <!-- try setting the init parameter "javaEncoding" to "ISO-8859-1". --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <servlet id="jsp" > <servlet-name>jsp</servlet-name> <servlet-class>org.apache.jasper.servlet.JspServlet</servlet-class> <init-param> <param-name>logVerbosityLevel</param-name> <param-value>DEBUG</param-value> </init-param> <init-param> <param-name>fork</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>xpoweredBy</param-name> <param-value>false</param-value> </init-param> <!-- <init-param> <param-name>classpath</param-name> <param-value>?</param-value> </init-param> --> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>jsp</servlet-name> <url-pattern>*.jsp</url-pattern> <url-pattern>*.jspf</url-pattern> <url-pattern>*.jspx</url-pattern> <url-pattern>*.xsp</url-pattern> <url-pattern>*.JSP</url-pattern> <url-pattern>*.JSPF</url-pattern> <url-pattern>*.JSPX</url-pattern> <url-pattern>*.XSP</url-pattern> </servlet-mapping> <!-- ==================================================================== --> <!-- Dynamic Servlet Invoker. --> <!-- This servlet invokes anonymous servlets that have not been defined --> <!-- in the web.xml or by other means. The first element of the pathInfo --> <!-- of a request passed to the envoker is treated as a servlet name for --> <!-- an existing servlet, or as a class name of a new servlet. --> <!-- This servlet is normally mapped to /servlet/* --> <!-- This servlet support the following initParams: --> <!-- --> <!-- nonContextServlets If false, the invoker can only load --> <!-- servlets from the contexts classloader. --> <!-- This is false by default and setting this --> <!-- to true may have security implications. --> <!-- --> <!-- verbose If true, log dynamic loads --> <!-- --> <!-- * All other parameters are copied to the --> <!-- each dynamic servlet as init parameters --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <!-- Uncomment for dynamic invocation <servlet> <servlet-name>invoker</servlet-name> <servlet-class>org.eclipse.jetty.servlet.Invoker</servlet-class> <init-param> <param-name>verbose</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>nonContextServlets</param-name> <param-value>false</param-value> </init-param> <init-param> <param-name>dynamicParam</param-name> <param-value>anyValue</param-value> </init-param> <load-on-startup>0</load-on-startup> </servlet> <servlet-mapping> <servlet-name>invoker</servlet-name> <url-pattern>/servlet/*</url-pattern> </servlet-mapping> --> <!-- ==================================================================== --> <session-config> <session-timeout>30</session-timeout> </session-config> <!-- ==================================================================== --> <!-- Default MIME mappings --> <!-- The default MIME mappings are provided by the mime.properties --> <!-- resource in the org.eclipse.jetty.server.jar file. Additional or modified --> <!-- mappings may be specified here --> <!-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - --> <!-- UNCOMMENT TO ACTIVATE <mime-mapping> <extension>mysuffix</extension> <mime-type>mymime/type</mime-type> </mime-mapping> --> <!-- ==================================================================== --> <welcome-file-list> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> <welcome-file>index.jsp</welcome-file> </welcome-file-list> <!-- ==================================================================== --> <locale-encoding-mapping-list> <locale-encoding-mapping> <locale>ar</locale> <encoding>ISO-8859-6</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>be</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>bg</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>ca</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>cs</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>da</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>de</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>el</locale> <encoding>ISO-8859-7</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>en</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>es</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>et</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>fi</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>fr</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>hr</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>hu</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>is</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>it</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>iw</locale> <encoding>ISO-8859-8</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>ja</locale> <encoding>Shift_JIS</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>ko</locale> <encoding>EUC-KR</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>lt</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>lv</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>mk</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>nl</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>no</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>pl</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>pt</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>ro</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>ru</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>sh</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>sk</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>sl</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>sq</locale> <encoding>ISO-8859-2</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>sr</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>sv</locale> <encoding>ISO-8859-1</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>tr</locale> <encoding>ISO-8859-9</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>uk</locale> <encoding>ISO-8859-5</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>zh</locale> <encoding>GB2312</encoding> </locale-encoding-mapping> <locale-encoding-mapping> <locale>zh_TW</locale> <encoding>Big5</encoding> </locale-encoding-mapping> </locale-encoding-mapping-list> <security-constraint> <web-resource-collection> <web-resource-name>Disable TRACE</web-resource-name> <url-pattern>/</url-pattern> <http-method>TRACE</http-method> </web-resource-collection> <auth-constraint/> </security-constraint></web-app>而webdefault.xml基本可以不改，因为它是用来标识文件的语言格式，基本的一些配置；
jetty.xml我们可以做一定的修改；
例如说我们可以改下服务监听的端口号，如图：
web.xml：
（备注就是web请求的配置信息，例如说设置servlet的路由）
如下面配置：
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" version="3.0"> <display-name></display-name> <servlet> <description>This is the description of my J2EE component</description> <display-name>This is the display name of my J2EE component</display-name> <servlet-name>HelloWorldServlet</servlet-name> <servlet-class>org.jetty.demo.HelloWorldServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>HelloWorldServlet</servlet-name> <url-pattern>/servlet/HelloWorldServlet</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list></web-app>好！我们现在就来建设一个如上面web.xml配置的servlet和index.jsp；
index.jsp页面
Index.jsp:
<%@ page language="java" contentType="text/html; charset=gb2312" pageEncoding="utf-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Insert title here</title></head><body>hello jetty! 中国!</body></html>
JFinal使用Jetty
public class AppRun { /** * 建议使用 JFinal 手册推荐的方式启动项目 * 运行此 main 方法可以启动项目，此main方法可以放置在任意的Class类定义中，不一定要放于此 */ public static void main(String[] args) { JFinal.start("src/main/webapp", 8080, "/", 5); }} 0 0
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