Tomcat server.xml

Server 的格式：

配置文件结构为：
<server>

              <service>

                            <connector/>

                            <connector/>

                            <engine>

                                                 <host>

                                                               <context/>

                                                 </host>

                                                 <host>

                                                               <context/>   // 配置应用

                                                               <context/>

                                                 </host>

                            </engine>

              </service>

<server>