课件tomcat在世界里一个server代表整个容器Tomc

IntheTomcatworld,aServerrepresentsthewholecontainer.TomcatprovidesadefaultimplementationoftheServerinterface.,andthisisrarelycustomizedbyusers.tomcat的世界里,server代表整个容器.Tomcatorg.apache.catalina接口的实现.用户很少AServiceisanintermediatecomponentwhichlivesinsideaServerandtiesoneormoreConnectorstoexactlyoneEngine.TheServiceelementisrarelycustomizedbyusers,asthedefaultimplementationissimpleandsufficient:Serviceinterface.Service是一个中间件,Server的内部,ConnectorsEngine上.默认的实现已经足够用了.org.apache.catalina.Service接口的一个实现.A"Service"isacollectionofoneormore"Connectors"thatshareasingle一个Service是一个或者多个Connectors的集合，这些个Connectors共个容器AnEnginerepresentsrequestprocessingpipelineforaspecificService.AsaServicemayhavemultipleConnectors,theEnginereceivedandprocessesallrequestsfromtheseconnectors,handingtheresponsebacktotheappropriateconnectorfortransmissiontothe .TheEngineinterfacemaybeimplementedtosupplycustomEngines,thoughthisis 一个EngineService的请求处理的管道.Service可以有多个Connectors,Engine接收并且Connectors过来的所有的请求.connector并发送给客户端.org.apache.catalina.InterfaceEngineEngines,虽然一般不需要这样做NotethattheEnginemaybeusedforTomcatserverclusteringviathejvmRouteparameter.ReadtheClusteringationformoreinformation.AHostisanassociationofanetworkname,e.g. ,totheTomcatserver.AnEnginemaycontainmultiplehosts,andtheHostelementalsosupportsnetworkaliasessuchas UsersrarelycreatecustomHostsbecausetheStandardHostimplementationprovidessignificantadditionalfunctionality.一个Host将一个 和tomcat联系起来.一个Engine可以包含多个hosts,并且一个Host还支持网络别名(例如 ).用户很少去实现一个org.apache.catalina.InterfaceHost接口,因为AConnectorhandlescommunicationswiththe .TherearemultipleconnectorsavailablewithTomcat,allofwhichimplementtheConnectorinterface.TheseincludetheCoyoteconnectorwhichisusedformostHTTPtraffic,especiallywhenrunningTomcatasastandaloneserver,andtheJK2connectorwhichimplementstheAJPprocotolusedwhenconnectingTomcattoanApacheHTTPDserver.Creatingacustomizedconnectorisasignificanteffort.Connector处理和客户端的通信.tomcatconnectors.connectorsConnector接口connector是非常复杂的AJP是为TomcatHTTPTomcat服务器集成中，读者可以不必关心AJP协议的细节。关于AJP的知识也可以参考IISApache服务器。TomcatServlet/JSP组件。HTTP服务器之间通过专门的插件来通信。<Connectorport="8080"protocol="HTTP/1.1"connectionTimeout="20000"redirectPort="8443"<Connectorport="8009"protocol="AJP/1.3"redirectPort="8443"第接器8080端口，负责建立HTTP连接。在通过浏览器Tomcat服务器的Web应用时，使用的第二个连接器8009端口，负责和其他的HTTP服务器建立连接。在把Tomcat与其他HTTP服务器集成时，TomcatJKTomcatHTTPJKHTTP服务HTTP服务器，TomcatJKWindowsApacheHTTPLinux（RedHet）ApacheHTTP服务器集成：mod_jk.so-ap2.0.46-rh72..46-IISAJPTomcatHTTP关于AJP的知识也可以参考mon/AJPv13.html如果两个Tomcat服务器都在同一台机器上运行，则至少应该对其中一个Tomcat服务器的以上3个端都进AContextrepresentsawebapplication.AHostmaycontainmultiplecontexts,eachwithauniquepath.TheContextinterfacemaybeimplementedtocreatecustomContexts,but