Tomcat学习笔记 - hrers

转载：https://www.cnblogs.com/f-ck-need-u/p/8120008.html

1. 入门示例：虚拟主机提供web服务

该示例通过设置虚拟主机来提供web服务，因为是入门示例，所以设置极其简单，只需修改$CATALINA_HOME/conf/server.xml文件为如下内容即可，本文的tomcat安装在/usr/local/tomcat下，因此$CATALINA_HOME=/usr/local/tomcat。其中大部分都采用了默认设置，只是在engine容器中添加了两个Host容器。

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<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
  <Listener className="org.apache.catalina.startup.VersionLoggerListener" />
  <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
  <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
  <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
  <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />

  <GlobalNamingResources>
    <Resource name="UserDatabase" auth="Container"
              type="org.apache.catalina.UserDatabase"
              description="User database that can be updated and saved"
              factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
              pathname="conf/tomcat-users.xml" />
  </GlobalNamingResources>
  <Service name="Catalina">
    <Connector port="8080" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="8443" enableLookups="false" />
    <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
   <Engine name="Catalina" defaultHost="localhost">
     <Realm className="org.apache.catalina.realm.LockOutRealm">
        <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
               resourceName="UserDatabase" />
      </Realm>

<!--  从此处开始添加以下两个Host容器作为虚拟主机 -->
<!-- 定义一个在$CATALINA_HOME之外的虚拟主机 -->
<Host name="www.longshuai.com"  appBase="/www/longshuai"
            unpackWARs="true" autoDeploy="true">
          <Context path="" docBase="/www/longshuai" reloadable="true" />
          <Context path="/xuexi" docBase="xuexi" reloadable="true" />
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="longshuai_access_log" suffix=".txt"
               pattern="%h %l %u %t &quot;%r&quot; %s %b" />
      </Host>
<!-- 定义一个在$CATALINA_HOME/webapps下的虚拟主机 -->
<Host name="www.xiaofang.com"  appBase="webapps/xiaofang"
            unpackWARs="true" autoDeploy="true">
          <Context path="" docBase="" reloadable="true" />
          <Context path="/xuexi" docBase="xuexi" reloadable="true" />
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"
               prefix="xiaofang_access_log" suffix=".txt"
               pattern="%h %l %u %t &quot;%r&quot; %s %b" />
      </Host>
<!-- 默认虚拟主机localhost，可不修改 -->
<Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true">
        <Valve className=