Tomcat 设置ROOT工程。

tomcat server.xml文件 Host节点中添加设置连接池和ROOT BASE工程.

 <Host name="localhost"  appBase="webapps"
            unpackWARs="true" autoDeploy="true"
            xmlValidation="false" xmlNamespaceAware="false">
		<Context path="" docBase="D:\work\tomcatv6\webapps\MYPROJECTNAME" debug="0"  reloadable="true" crossContext="true" privileged="true">
			 <Resource name="jdbc/***"
               auth="Container"
               type="javax.sql.DataSource"
               url="jdbc:mysql://*****:3306/***?useUnicode=true&amp;characterEncoding=utf-8&amp;zeroDateTimeBehavior=convertToNull"
               initialSize="2"
               maxActive="20"
               maxIdle="20"
               minIdle="2"
               maxWait="100"
               removeAbandoned="true"
               username="root"
               password=""
               poolPreparedStatements="true"
               defaultAutoCommit="false"
               driverClassName="com.mysql.jdbc.Driver"
               />

			<Resource name="jdbc/omaha"
               auth="Container"
               type="javax.sql.DataSource"
               url="jdbc:jtds:sqlserver://*****:1433/*****"
               initialSize="1"
               maxActive="1"
               maxIdle="20"
               minIdle="2"
               maxWait="100"
               removeAbandoned="true"
               username="******"
               password="******"
               poolPreparedStatements="true"
               defaultAutoCommit="false"
               driverClassName="net.sourceforge.jtds.jdbc.Driver"
               />
		</Context>
        <!-- SingleSignOn valve, share authentication between web applications
             Documentation at: /docs/config/valve.html -->
        <!--
        <Valve className="org.apache.catalina.authenticator.SingleSignOn" />
        -->

        <!-- Access log processes all example.
             Documentation at: /docs/config/valve.html -->
        <!--
        <Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs"  
               prefix="localhost_access_log." suffix=".txt" pattern="common" resolveHosts="false"/>
        -->

      </Host>